From 6b73e4566be4ba41f473866e9f42dbb8804b923c Mon Sep 17 00:00:00 2001 From: Lioncash Date: Sat, 25 Jul 2015 20:01:44 -0400 Subject: dyncom: Move arminit.cpp and armsupp.cpp into skyeye_common --- src/core/CMakeLists.txt | 4 +- src/core/arm/interpreter/arminit.cpp | 128 ------- src/core/arm/interpreter/armsupp.cpp | 637 --------------------------------- src/core/arm/skyeye_common/arminit.cpp | 128 +++++++ src/core/arm/skyeye_common/armsupp.cpp | 637 +++++++++++++++++++++++++++++++++ 5 files changed, 767 insertions(+), 767 deletions(-) delete mode 100644 src/core/arm/interpreter/arminit.cpp delete mode 100644 src/core/arm/interpreter/armsupp.cpp create mode 100644 src/core/arm/skyeye_common/arminit.cpp create mode 100644 src/core/arm/skyeye_common/armsupp.cpp diff --git a/src/core/CMakeLists.txt b/src/core/CMakeLists.txt index 8267ee58..adf15d66 100644 --- a/src/core/CMakeLists.txt +++ b/src/core/CMakeLists.txt @@ -6,8 +6,8 @@ set(SRCS arm/dyncom/arm_dyncom_interpreter.cpp arm/dyncom/arm_dyncom_run.cpp arm/dyncom/arm_dyncom_thumb.cpp - arm/interpreter/arminit.cpp - arm/interpreter/armsupp.cpp + arm/skyeye_common/arminit.cpp + arm/skyeye_common/armsupp.cpp arm/skyeye_common/vfp/vfp.cpp arm/skyeye_common/vfp/vfpdouble.cpp arm/skyeye_common/vfp/vfpinstr.cpp diff --git a/src/core/arm/interpreter/arminit.cpp b/src/core/arm/interpreter/arminit.cpp deleted file mode 100644 index 4f7a48fa..00000000 --- a/src/core/arm/interpreter/arminit.cpp +++ /dev/null @@ -1,128 +0,0 @@ -/* arminit.c -- ARMulator initialization: ARM6 Instruction Emulator. - Copyright (C) 1994 Advanced RISC Machines Ltd. - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ - -#include -#include "core/arm/skyeye_common/armdefs.h" -#include "core/arm/skyeye_common/vfp/vfp.h" - -/***************************************************************************\ -* Returns a new instantiation of the ARMulator's state * -\***************************************************************************/ -ARMul_State* ARMul_NewState(ARMul_State* state) -{ - state->Emulate = RUN; - state->Mode = USER32MODE; - - state->lateabtSig = HIGH; - state->bigendSig = LOW; - - return state; -} - -/***************************************************************************\ -* Call this routine to set ARMulator to model a certain processor * -\***************************************************************************/ - -void ARMul_SelectProcessor(ARMul_State* state, unsigned properties) -{ - state->is_v4 = (properties & (ARM_v4_Prop | ARM_v5_Prop)) != 0; - state->is_v5 = (properties & ARM_v5_Prop) != 0; - state->is_v5e = (properties & ARM_v5e_Prop) != 0; - state->is_v6 = (properties & ARM_v6_Prop) != 0; - state->is_v7 = (properties & ARM_v7_Prop) != 0; -} - -// Resets certain MPCore CP15 values to their ARM-defined reset values. -static void ResetMPCoreCP15Registers(ARMul_State* cpu) -{ - // c0 - cpu->CP15[CP15_MAIN_ID] = 0x410FB024; - cpu->CP15[CP15_TLB_TYPE] = 0x00000800; - cpu->CP15[CP15_PROCESSOR_FEATURE_0] = 0x00000111; - cpu->CP15[CP15_PROCESSOR_FEATURE_1] = 0x00000001; - cpu->CP15[CP15_DEBUG_FEATURE_0] = 0x00000002; - cpu->CP15[CP15_MEMORY_MODEL_FEATURE_0] = 0x01100103; - cpu->CP15[CP15_MEMORY_MODEL_FEATURE_1] = 0x10020302; - cpu->CP15[CP15_MEMORY_MODEL_FEATURE_2] = 0x01222000; - cpu->CP15[CP15_MEMORY_MODEL_FEATURE_3] = 0x00000000; - cpu->CP15[CP15_ISA_FEATURE_0] = 0x00100011; - cpu->CP15[CP15_ISA_FEATURE_1] = 0x12002111; - cpu->CP15[CP15_ISA_FEATURE_2] = 0x11221011; - cpu->CP15[CP15_ISA_FEATURE_3] = 0x01102131; - cpu->CP15[CP15_ISA_FEATURE_4] = 0x00000141; - - // c1 - cpu->CP15[CP15_CONTROL] = 0x00054078; - cpu->CP15[CP15_AUXILIARY_CONTROL] = 0x0000000F; - cpu->CP15[CP15_COPROCESSOR_ACCESS_CONTROL] = 0x00000000; - - // c2 - cpu->CP15[CP15_TRANSLATION_BASE_TABLE_0] = 0x00000000; - cpu->CP15[CP15_TRANSLATION_BASE_TABLE_1] = 0x00000000; - cpu->CP15[CP15_TRANSLATION_BASE_CONTROL] = 0x00000000; - - // c3 - cpu->CP15[CP15_DOMAIN_ACCESS_CONTROL] = 0x00000000; - - // c7 - cpu->CP15[CP15_PHYS_ADDRESS] = 0x00000000; - - // c9 - cpu->CP15[CP15_DATA_CACHE_LOCKDOWN] = 0xFFFFFFF0; - - // c10 - cpu->CP15[CP15_TLB_LOCKDOWN] = 0x00000000; - cpu->CP15[CP15_PRIMARY_REGION_REMAP] = 0x00098AA4; - cpu->CP15[CP15_NORMAL_REGION_REMAP] = 0x44E048E0; - - // c13 - cpu->CP15[CP15_PID] = 0x00000000; - cpu->CP15[CP15_CONTEXT_ID] = 0x00000000; - cpu->CP15[CP15_THREAD_UPRW] = 0x00000000; - cpu->CP15[CP15_THREAD_URO] = 0x00000000; - cpu->CP15[CP15_THREAD_PRW] = 0x00000000; - - // c15 - cpu->CP15[CP15_PERFORMANCE_MONITOR_CONTROL] = 0x00000000; - cpu->CP15[CP15_MAIN_TLB_LOCKDOWN_VIRT_ADDRESS] = 0x00000000; - cpu->CP15[CP15_MAIN_TLB_LOCKDOWN_PHYS_ADDRESS] = 0x00000000; - cpu->CP15[CP15_MAIN_TLB_LOCKDOWN_ATTRIBUTE] = 0x00000000; - cpu->CP15[CP15_TLB_DEBUG_CONTROL] = 0x00000000; -} - -/***************************************************************************\ -* Call this routine to set up the initial machine state (or perform a RESET * -\***************************************************************************/ -void ARMul_Reset(ARMul_State* state) -{ - VFPInit(state); - - state->Reg[15] = 0; - state->Cpsr = INTBITS | SVC32MODE; - state->Mode = SVC32MODE; - state->Bank = SVCBANK; - - ResetMPCoreCP15Registers(state); - - state->NresetSig = HIGH; - state->NfiqSig = HIGH; - state->NirqSig = HIGH; - state->NtransSig = (state->Mode & 3) ? HIGH : LOW; - state->abortSig = LOW; - - state->NumInstrs = 0; -} diff --git a/src/core/arm/interpreter/armsupp.cpp b/src/core/arm/interpreter/armsupp.cpp deleted file mode 100644 index 83f7f3e2..00000000 --- a/src/core/arm/interpreter/armsupp.cpp +++ /dev/null @@ -1,637 +0,0 @@ -/* armsupp.c -- ARMulator support code: ARM6 Instruction Emulator. - Copyright (C) 1994 Advanced RISC Machines Ltd. - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ - -#include "common/logging/log.h" - -#include "core/mem_map.h" -#include "core/arm/skyeye_common/armdefs.h" -#include "core/arm/skyeye_common/arm_regformat.h" - -// Unsigned sum of absolute difference -u8 ARMul_UnsignedAbsoluteDifference(u8 left, u8 right) -{ - if (left > right) - return left - right; - - return right - left; -} - -// Add with carry, indicates if a carry-out or signed overflow occurred. -u32 AddWithCarry(u32 left, u32 right, u32 carry_in, bool* carry_out_occurred, bool* overflow_occurred) -{ - u64 unsigned_sum = (u64)left + (u64)right + (u64)carry_in; - s64 signed_sum = (s64)(s32)left + (s64)(s32)right + (s64)carry_in; - u64 result = (unsigned_sum & 0xFFFFFFFF); - - if (carry_out_occurred) - *carry_out_occurred = (result != unsigned_sum); - - if (overflow_occurred) - *overflow_occurred = ((s64)(s32)result != signed_sum); - - return (u32)result; -} - -// Compute whether an addition of A and B, giving RESULT, overflowed. -bool AddOverflow(ARMword a, ARMword b, ARMword result) -{ - return ((NEG(a) && NEG(b) && POS(result)) || - (POS(a) && POS(b) && NEG(result))); -} - -// Compute whether a subtraction of A and B, giving RESULT, overflowed. -bool SubOverflow(ARMword a, ARMword b, ARMword result) -{ - return ((NEG(a) && POS(b) && POS(result)) || - (POS(a) && NEG(b) && NEG(result))); -} - -// Returns true if the Q flag should be set as a result of overflow. -bool ARMul_AddOverflowQ(ARMword a, ARMword b) -{ - u32 result = a + b; - if (((result ^ a) & (u32)0x80000000) && ((a ^ b) & (u32)0x80000000) == 0) - return true; - - return false; -} - -// 8-bit signed saturated addition -u8 ARMul_SignedSaturatedAdd8(u8 left, u8 right) -{ - u8 result = left + right; - - if (((result ^ left) & 0x80) && ((left ^ right) & 0x80) == 0) { - if (left & 0x80) - result = 0x80; - else - result = 0x7F; - } - - return result; -} - -// 8-bit signed saturated subtraction -u8 ARMul_SignedSaturatedSub8(u8 left, u8 right) -{ - u8 result = left - right; - - if (((result ^ left) & 0x80) && ((left ^ right) & 0x80) != 0) { - if (left & 0x80) - result = 0x80; - else - result = 0x7F; - } - - return result; -} - -// 16-bit signed saturated addition -u16 ARMul_SignedSaturatedAdd16(u16 left, u16 right) -{ - u16 result = left + right; - - if (((result ^ left) & 0x8000) && ((left ^ right) & 0x8000) == 0) { - if (left & 0x8000) - result = 0x8000; - else - result = 0x7FFF; - } - - return result; -} - -// 16-bit signed saturated subtraction -u16 ARMul_SignedSaturatedSub16(u16 left, u16 right) -{ - u16 result = left - right; - - if (((result ^ left) & 0x8000) && ((left ^ right) & 0x8000) != 0) { - if (left & 0x8000) - result = 0x8000; - else - result = 0x7FFF; - } - - return result; -} - -// 8-bit unsigned saturated addition -u8 ARMul_UnsignedSaturatedAdd8(u8 left, u8 right) -{ - u8 result = left + right; - - if (result < left) - result = 0xFF; - - return result; -} - -// 16-bit unsigned saturated addition -u16 ARMul_UnsignedSaturatedAdd16(u16 left, u16 right) -{ - u16 result = left + right; - - if (result < left) - result = 0xFFFF; - - return result; -} - -// 8-bit unsigned saturated subtraction -u8 ARMul_UnsignedSaturatedSub8(u8 left, u8 right) -{ - if (left <= right) - return 0; - - return left - right; -} - -// 16-bit unsigned saturated subtraction -u16 ARMul_UnsignedSaturatedSub16(u16 left, u16 right) -{ - if (left <= right) - return 0; - - return left - right; -} - -// Signed saturation. -u32 ARMul_SignedSatQ(s32 value, u8 shift, bool* saturation_occurred) -{ - const u32 max = (1 << shift) - 1; - const s32 top = (value >> shift); - - if (top > 0) { - *saturation_occurred = true; - return max; - } - else if (top < -1) { - *saturation_occurred = true; - return ~max; - } - - *saturation_occurred = false; - return (u32)value; -} - -// Unsigned saturation -u32 ARMul_UnsignedSatQ(s32 value, u8 shift, bool* saturation_occurred) -{ - const u32 max = (1 << shift) - 1; - - if (value < 0) { - *saturation_occurred = true; - return 0; - } else if ((u32)value > max) { - *saturation_occurred = true; - return max; - } - - *saturation_occurred = false; - return (u32)value; -} - -// Whether or not the given CPU is in big endian mode (E bit is set) -bool InBigEndianMode(ARMul_State* cpu) -{ - return (cpu->Cpsr & (1 << 9)) != 0; -} - -// Whether or not the given CPU is in a mode other than user mode. -bool InAPrivilegedMode(ARMul_State* cpu) -{ - return (cpu->Mode != USER32MODE); -} - -// Reads from the CP15 registers. Used with implementation of the MRC instruction. -// Note that since the 3DS does not have the hypervisor extensions, these registers -// are not implemented. -u32 ReadCP15Register(ARMul_State* cpu, u32 crn, u32 opcode_1, u32 crm, u32 opcode_2) -{ - // Unprivileged registers - if (crn == 13 && opcode_1 == 0 && crm == 0) - { - if (opcode_2 == 2) - return cpu->CP15[CP15_THREAD_UPRW]; - - if (opcode_2 == 3) - return cpu->CP15[CP15_THREAD_URO]; - } - - if (InAPrivilegedMode(cpu)) - { - if (crn == 0 && opcode_1 == 0) - { - if (crm == 0) - { - if (opcode_2 == 0) - return cpu->CP15[CP15_MAIN_ID]; - - if (opcode_2 == 1) - return cpu->CP15[CP15_CACHE_TYPE]; - - if (opcode_2 == 3) - return cpu->CP15[CP15_TLB_TYPE]; - - if (opcode_2 == 5) - return cpu->CP15[CP15_CPU_ID]; - } - else if (crm == 1) - { - if (opcode_2 == 0) - return cpu->CP15[CP15_PROCESSOR_FEATURE_0]; - - if (opcode_2 == 1) - return cpu->CP15[CP15_PROCESSOR_FEATURE_1]; - - if (opcode_2 == 2) - return cpu->CP15[CP15_DEBUG_FEATURE_0]; - - if (opcode_2 == 4) - return cpu->CP15[CP15_MEMORY_MODEL_FEATURE_0]; - - if (opcode_2 == 5) - return cpu->CP15[CP15_MEMORY_MODEL_FEATURE_1]; - - if (opcode_2 == 6) - return cpu->CP15[CP15_MEMORY_MODEL_FEATURE_2]; - - if (opcode_2 == 7) - return cpu->CP15[CP15_MEMORY_MODEL_FEATURE_3]; - } - else if (crm == 2) - { - if (opcode_2 == 0) - return cpu->CP15[CP15_ISA_FEATURE_0]; - - if (opcode_2 == 1) - return cpu->CP15[CP15_ISA_FEATURE_1]; - - if (opcode_2 == 2) - return cpu->CP15[CP15_ISA_FEATURE_2]; - - if (opcode_2 == 3) - return cpu->CP15[CP15_ISA_FEATURE_3]; - - if (opcode_2 == 4) - return cpu->CP15[CP15_ISA_FEATURE_4]; - } - } - - if (crn == 1 && opcode_1 == 0 && crm == 0) - { - if (opcode_2 == 0) - return cpu->CP15[CP15_CONTROL]; - - if (opcode_2 == 1) - return cpu->CP15[CP15_AUXILIARY_CONTROL]; - - if (opcode_2 == 2) - return cpu->CP15[CP15_COPROCESSOR_ACCESS_CONTROL]; - } - - if (crn == 2 && opcode_1 == 0 && crm == 0) - { - if (opcode_2 == 0) - return cpu->CP15[CP15_TRANSLATION_BASE_TABLE_0]; - - if (opcode_2 == 1) - return cpu->CP15[CP15_TRANSLATION_BASE_TABLE_1]; - - if (opcode_2 == 2) - return cpu->CP15[CP15_TRANSLATION_BASE_CONTROL]; - } - - if (crn == 3 && opcode_1 == 0 && crm == 0 && opcode_2 == 0) - return cpu->CP15[CP15_DOMAIN_ACCESS_CONTROL]; - - if (crn == 5 && opcode_1 == 0 && crm == 0) - { - if (opcode_2 == 0) - return cpu->CP15[CP15_FAULT_STATUS]; - - if (opcode_2 == 1) - return cpu->CP15[CP15_INSTR_FAULT_STATUS]; - } - - if (crn == 6 && opcode_1 == 0 && crm == 0) - { - if (opcode_2 == 0) - return cpu->CP15[CP15_FAULT_ADDRESS]; - - if (opcode_2 == 1) - return cpu->CP15[CP15_WFAR]; - } - - if (crn == 7 && opcode_1 == 0 && crm == 4 && opcode_2 == 0) - return cpu->CP15[CP15_PHYS_ADDRESS]; - - if (crn == 9 && opcode_1 == 0 && crm == 0 && opcode_2 == 0) - return cpu->CP15[CP15_DATA_CACHE_LOCKDOWN]; - - if (crn == 10 && opcode_1 == 0) - { - if (crm == 0 && opcode_2 == 0) - return cpu->CP15[CP15_TLB_LOCKDOWN]; - - if (crm == 2) - { - if (opcode_2 == 0) - return cpu->CP15[CP15_PRIMARY_REGION_REMAP]; - - if (opcode_2 == 1) - return cpu->CP15[CP15_NORMAL_REGION_REMAP]; - } - } - - if (crn == 13 && crm == 0) - { - if (opcode_2 == 0) - return cpu->CP15[CP15_PID]; - - if (opcode_2 == 1) - return cpu->CP15[CP15_CONTEXT_ID]; - - if (opcode_2 == 4) - return cpu->CP15[CP15_THREAD_PRW]; - } - - if (crn == 15) - { - if (opcode_1 == 0 && crm == 12) - { - if (opcode_2 == 0) - return cpu->CP15[CP15_PERFORMANCE_MONITOR_CONTROL]; - - if (opcode_2 == 1) - return cpu->CP15[CP15_CYCLE_COUNTER]; - - if (opcode_2 == 2) - return cpu->CP15[CP15_COUNT_0]; - - if (opcode_2 == 3) - return cpu->CP15[CP15_COUNT_1]; - } - - if (opcode_1 == 5 && opcode_2 == 2) - { - if (crm == 5) - return cpu->CP15[CP15_MAIN_TLB_LOCKDOWN_VIRT_ADDRESS]; - - if (crm == 6) - return cpu->CP15[CP15_MAIN_TLB_LOCKDOWN_PHYS_ADDRESS]; - - if (crm == 7) - return cpu->CP15[CP15_MAIN_TLB_LOCKDOWN_ATTRIBUTE]; - } - - if (opcode_1 == 7 && crm == 1 && opcode_2 == 0) - return cpu->CP15[CP15_TLB_DEBUG_CONTROL]; - } - } - - LOG_ERROR(Core_ARM11, "MRC CRn=%u, CRm=%u, OP1=%u OP2=%u is not implemented. Returning zero.", crn, crm, opcode_1, opcode_2); - return 0; -} - -// Write to the CP15 registers. Used with implementation of the MCR instruction. -// Note that since the 3DS does not have the hypervisor extensions, these registers -// are not implemented. -void WriteCP15Register(ARMul_State* cpu, u32 value, u32 crn, u32 opcode_1, u32 crm, u32 opcode_2) -{ - if (InAPrivilegedMode(cpu)) - { - if (crn == 1 && opcode_1 == 0 && crm == 0) - { - if (opcode_2 == 0) - cpu->CP15[CP15_CONTROL] = value; - else if (opcode_2 == 1) - cpu->CP15[CP15_AUXILIARY_CONTROL] = value; - else if (opcode_2 == 2) - cpu->CP15[CP15_COPROCESSOR_ACCESS_CONTROL] = value; - } - else if (crn == 2 && opcode_1 == 0 && crm == 0) - { - if (opcode_2 == 0) - cpu->CP15[CP15_TRANSLATION_BASE_TABLE_0] = value; - else if (opcode_2 == 1) - cpu->CP15[CP15_TRANSLATION_BASE_TABLE_1] = value; - else if (opcode_2 == 2) - cpu->CP15[CP15_TRANSLATION_BASE_CONTROL] = value; - } - else if (crn == 3 && opcode_1 == 0 && crm == 0 && opcode_2 == 0) - { - cpu->CP15[CP15_DOMAIN_ACCESS_CONTROL] = value; - } - else if (crn == 5 && opcode_1 == 0 && crm == 0) - { - if (opcode_2 == 0) - cpu->CP15[CP15_FAULT_STATUS] = value; - else if (opcode_2 == 1) - cpu->CP15[CP15_INSTR_FAULT_STATUS] = value; - } - else if (crn == 6 && opcode_1 == 0 && crm == 0) - { - if (opcode_2 == 0) - cpu->CP15[CP15_FAULT_ADDRESS] = value; - else if (opcode_2 == 1) - cpu->CP15[CP15_WFAR] = value; - } - else if (crn == 7 && opcode_1 == 0) - { - if (crm == 0 && opcode_2 == 4) - { - cpu->CP15[CP15_WAIT_FOR_INTERRUPT] = value; - } - else if (crm == 4 && opcode_2 == 0) - { - // NOTE: Not entirely accurate. This should do permission checks. - cpu->CP15[CP15_PHYS_ADDRESS] = Memory::VirtualToPhysicalAddress(value); - } - else if (crm == 5) - { - if (opcode_2 == 0) - cpu->CP15[CP15_INVALIDATE_INSTR_CACHE] = value; - else if (opcode_2 == 1) - cpu->CP15[CP15_INVALIDATE_INSTR_CACHE_USING_MVA] = value; - else if (opcode_2 == 2) - cpu->CP15[CP15_INVALIDATE_INSTR_CACHE_USING_INDEX] = value; - else if (opcode_2 == 6) - cpu->CP15[CP15_FLUSH_BRANCH_TARGET_CACHE] = value; - else if (opcode_2 == 7) - cpu->CP15[CP15_FLUSH_BRANCH_TARGET_CACHE_ENTRY] = value; - } - else if (crm == 6) - { - if (opcode_2 == 0) - cpu->CP15[CP15_INVALIDATE_DATA_CACHE] = value; - else if (opcode_2 == 1) - cpu->CP15[CP15_INVALIDATE_DATA_CACHE_LINE_USING_MVA] = value; - else if (opcode_2 == 2) - cpu->CP15[CP15_INVALIDATE_DATA_CACHE_LINE_USING_INDEX] = value; - } - else if (crm == 7 && opcode_2 == 0) - { - cpu->CP15[CP15_INVALIDATE_DATA_AND_INSTR_CACHE] = value; - } - else if (crm == 10) - { - if (opcode_2 == 0) - cpu->CP15[CP15_CLEAN_DATA_CACHE] = value; - else if (opcode_2 == 1) - cpu->CP15[CP15_CLEAN_DATA_CACHE_LINE_USING_MVA] = value; - else if (opcode_2 == 2) - cpu->CP15[CP15_CLEAN_DATA_CACHE_LINE_USING_INDEX] = value; - } - else if (crm == 14) - { - if (opcode_2 == 0) - cpu->CP15[CP15_CLEAN_AND_INVALIDATE_DATA_CACHE] = value; - else if (opcode_2 == 1) - cpu->CP15[CP15_CLEAN_AND_INVALIDATE_DATA_CACHE_LINE_USING_MVA] = value; - else if (opcode_2 == 2) - cpu->CP15[CP15_CLEAN_AND_INVALIDATE_DATA_CACHE_LINE_USING_INDEX] = value; - } - } - else if (crn == 8 && opcode_1 == 0) - { - LOG_WARNING(Core_ARM11, "TLB operations not fully implemented."); - - if (crm == 5) - { - if (opcode_2 == 0) - cpu->CP15[CP15_INVALIDATE_ITLB] = value; - else if (opcode_2 == 1) - cpu->CP15[CP15_INVALIDATE_ITLB_SINGLE_ENTRY] = value; - else if (opcode_2 == 2) - cpu->CP15[CP15_INVALIDATE_ITLB_ENTRY_ON_ASID_MATCH] = value; - else if (opcode_2 == 3) - cpu->CP15[CP15_INVALIDATE_ITLB_ENTRY_ON_MVA] = value; - } - else if (crm == 6) - { - if (opcode_2 == 0) - cpu->CP15[CP15_INVALIDATE_DTLB] = value; - else if (opcode_2 == 1) - cpu->CP15[CP15_INVALIDATE_DTLB_SINGLE_ENTRY] = value; - else if (opcode_2 == 2) - cpu->CP15[CP15_INVALIDATE_DTLB_ENTRY_ON_ASID_MATCH] = value; - else if (opcode_2 == 3) - cpu->CP15[CP15_INVALIDATE_DTLB_ENTRY_ON_MVA] = value; - } - else if (crm == 7) - { - if (opcode_2 == 0) - cpu->CP15[CP15_INVALIDATE_UTLB] = value; - else if (opcode_2 == 1) - cpu->CP15[CP15_INVALIDATE_UTLB_SINGLE_ENTRY] = value; - else if (opcode_2 == 2) - cpu->CP15[CP15_INVALIDATE_UTLB_ENTRY_ON_ASID_MATCH] = value; - else if (opcode_2 == 3) - cpu->CP15[CP15_INVALIDATE_UTLB_ENTRY_ON_MVA] = value; - } - } - else if (crn == 9 && opcode_1 == 0 && crm == 0 && opcode_2 == 0) - { - cpu->CP15[CP15_DATA_CACHE_LOCKDOWN] = value; - } - else if (crn == 10 && opcode_1 == 0) - { - if (crm == 0 && opcode_2 == 0) - { - cpu->CP15[CP15_TLB_LOCKDOWN] = value; - } - else if (crm == 2) - { - if (opcode_2 == 0) - cpu->CP15[CP15_PRIMARY_REGION_REMAP] = value; - else if (opcode_2 == 1) - cpu->CP15[CP15_NORMAL_REGION_REMAP] = value; - } - } - else if (crn == 13 && opcode_1 == 0 && crm == 0) - { - if (opcode_2 == 0) - cpu->CP15[CP15_PID] = value; - else if (opcode_2 == 1) - cpu->CP15[CP15_CONTEXT_ID] = value; - else if (opcode_2 == 3) - cpu->CP15[CP15_THREAD_URO] = value; - else if (opcode_2 == 4) - cpu->CP15[CP15_THREAD_PRW] = value; - } - else if (crn == 15) - { - if (opcode_1 == 0 && crm == 12) - { - if (opcode_2 == 0) - cpu->CP15[CP15_PERFORMANCE_MONITOR_CONTROL] = value; - else if (opcode_2 == 1) - cpu->CP15[CP15_CYCLE_COUNTER] = value; - else if (opcode_2 == 2) - cpu->CP15[CP15_COUNT_0] = value; - else if (opcode_2 == 3) - cpu->CP15[CP15_COUNT_1] = value; - } - else if (opcode_1 == 5) - { - if (crm == 4) - { - if (opcode_2 == 2) - cpu->CP15[CP15_READ_MAIN_TLB_LOCKDOWN_ENTRY] = value; - else if (opcode_2 == 4) - cpu->CP15[CP15_WRITE_MAIN_TLB_LOCKDOWN_ENTRY] = value; - } - else if (crm == 5 && opcode_2 == 2) - { - cpu->CP15[CP15_MAIN_TLB_LOCKDOWN_VIRT_ADDRESS] = value; - } - else if (crm == 6 && opcode_2 == 2) - { - cpu->CP15[CP15_MAIN_TLB_LOCKDOWN_PHYS_ADDRESS] = value; - } - else if (crm == 7 && opcode_2 == 2) - { - cpu->CP15[CP15_MAIN_TLB_LOCKDOWN_ATTRIBUTE] = value; - } - } - else if (opcode_1 == 7 && crm == 1 && opcode_2 == 0) - { - cpu->CP15[CP15_TLB_DEBUG_CONTROL] = value; - } - } - } - - // Unprivileged registers - if (crn == 7 && opcode_1 == 0 && crm == 5 && opcode_2 == 4) - { - cpu->CP15[CP15_FLUSH_PREFETCH_BUFFER] = value; - } - else if (crn == 7 && opcode_1 == 0 && crm == 10) - { - if (opcode_2 == 4) - cpu->CP15[CP15_DATA_SYNC_BARRIER] = value; - else if (opcode_2 == 5) - cpu->CP15[CP15_DATA_MEMORY_BARRIER] = value; - - } - else if (crn == 13 && opcode_1 == 0 && crm == 0 && opcode_2 == 2) - { - cpu->CP15[CP15_THREAD_UPRW] = value; - } -} diff --git a/src/core/arm/skyeye_common/arminit.cpp b/src/core/arm/skyeye_common/arminit.cpp new file mode 100644 index 00000000..4f7a48fa --- /dev/null +++ b/src/core/arm/skyeye_common/arminit.cpp @@ -0,0 +1,128 @@ +/* arminit.c -- ARMulator initialization: ARM6 Instruction Emulator. + Copyright (C) 1994 Advanced RISC Machines Ltd. + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ + +#include +#include "core/arm/skyeye_common/armdefs.h" +#include "core/arm/skyeye_common/vfp/vfp.h" + +/***************************************************************************\ +* Returns a new instantiation of the ARMulator's state * +\***************************************************************************/ +ARMul_State* ARMul_NewState(ARMul_State* state) +{ + state->Emulate = RUN; + state->Mode = USER32MODE; + + state->lateabtSig = HIGH; + state->bigendSig = LOW; + + return state; +} + +/***************************************************************************\ +* Call this routine to set ARMulator to model a certain processor * +\***************************************************************************/ + +void ARMul_SelectProcessor(ARMul_State* state, unsigned properties) +{ + state->is_v4 = (properties & (ARM_v4_Prop | ARM_v5_Prop)) != 0; + state->is_v5 = (properties & ARM_v5_Prop) != 0; + state->is_v5e = (properties & ARM_v5e_Prop) != 0; + state->is_v6 = (properties & ARM_v6_Prop) != 0; + state->is_v7 = (properties & ARM_v7_Prop) != 0; +} + +// Resets certain MPCore CP15 values to their ARM-defined reset values. +static void ResetMPCoreCP15Registers(ARMul_State* cpu) +{ + // c0 + cpu->CP15[CP15_MAIN_ID] = 0x410FB024; + cpu->CP15[CP15_TLB_TYPE] = 0x00000800; + cpu->CP15[CP15_PROCESSOR_FEATURE_0] = 0x00000111; + cpu->CP15[CP15_PROCESSOR_FEATURE_1] = 0x00000001; + cpu->CP15[CP15_DEBUG_FEATURE_0] = 0x00000002; + cpu->CP15[CP15_MEMORY_MODEL_FEATURE_0] = 0x01100103; + cpu->CP15[CP15_MEMORY_MODEL_FEATURE_1] = 0x10020302; + cpu->CP15[CP15_MEMORY_MODEL_FEATURE_2] = 0x01222000; + cpu->CP15[CP15_MEMORY_MODEL_FEATURE_3] = 0x00000000; + cpu->CP15[CP15_ISA_FEATURE_0] = 0x00100011; + cpu->CP15[CP15_ISA_FEATURE_1] = 0x12002111; + cpu->CP15[CP15_ISA_FEATURE_2] = 0x11221011; + cpu->CP15[CP15_ISA_FEATURE_3] = 0x01102131; + cpu->CP15[CP15_ISA_FEATURE_4] = 0x00000141; + + // c1 + cpu->CP15[CP15_CONTROL] = 0x00054078; + cpu->CP15[CP15_AUXILIARY_CONTROL] = 0x0000000F; + cpu->CP15[CP15_COPROCESSOR_ACCESS_CONTROL] = 0x00000000; + + // c2 + cpu->CP15[CP15_TRANSLATION_BASE_TABLE_0] = 0x00000000; + cpu->CP15[CP15_TRANSLATION_BASE_TABLE_1] = 0x00000000; + cpu->CP15[CP15_TRANSLATION_BASE_CONTROL] = 0x00000000; + + // c3 + cpu->CP15[CP15_DOMAIN_ACCESS_CONTROL] = 0x00000000; + + // c7 + cpu->CP15[CP15_PHYS_ADDRESS] = 0x00000000; + + // c9 + cpu->CP15[CP15_DATA_CACHE_LOCKDOWN] = 0xFFFFFFF0; + + // c10 + cpu->CP15[CP15_TLB_LOCKDOWN] = 0x00000000; + cpu->CP15[CP15_PRIMARY_REGION_REMAP] = 0x00098AA4; + cpu->CP15[CP15_NORMAL_REGION_REMAP] = 0x44E048E0; + + // c13 + cpu->CP15[CP15_PID] = 0x00000000; + cpu->CP15[CP15_CONTEXT_ID] = 0x00000000; + cpu->CP15[CP15_THREAD_UPRW] = 0x00000000; + cpu->CP15[CP15_THREAD_URO] = 0x00000000; + cpu->CP15[CP15_THREAD_PRW] = 0x00000000; + + // c15 + cpu->CP15[CP15_PERFORMANCE_MONITOR_CONTROL] = 0x00000000; + cpu->CP15[CP15_MAIN_TLB_LOCKDOWN_VIRT_ADDRESS] = 0x00000000; + cpu->CP15[CP15_MAIN_TLB_LOCKDOWN_PHYS_ADDRESS] = 0x00000000; + cpu->CP15[CP15_MAIN_TLB_LOCKDOWN_ATTRIBUTE] = 0x00000000; + cpu->CP15[CP15_TLB_DEBUG_CONTROL] = 0x00000000; +} + +/***************************************************************************\ +* Call this routine to set up the initial machine state (or perform a RESET * +\***************************************************************************/ +void ARMul_Reset(ARMul_State* state) +{ + VFPInit(state); + + state->Reg[15] = 0; + state->Cpsr = INTBITS | SVC32MODE; + state->Mode = SVC32MODE; + state->Bank = SVCBANK; + + ResetMPCoreCP15Registers(state); + + state->NresetSig = HIGH; + state->NfiqSig = HIGH; + state->NirqSig = HIGH; + state->NtransSig = (state->Mode & 3) ? HIGH : LOW; + state->abortSig = LOW; + + state->NumInstrs = 0; +} diff --git a/src/core/arm/skyeye_common/armsupp.cpp b/src/core/arm/skyeye_common/armsupp.cpp new file mode 100644 index 00000000..83f7f3e2 --- /dev/null +++ b/src/core/arm/skyeye_common/armsupp.cpp @@ -0,0 +1,637 @@ +/* armsupp.c -- ARMulator support code: ARM6 Instruction Emulator. + Copyright (C) 1994 Advanced RISC Machines Ltd. + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ + +#include "common/logging/log.h" + +#include "core/mem_map.h" +#include "core/arm/skyeye_common/armdefs.h" +#include "core/arm/skyeye_common/arm_regformat.h" + +// Unsigned sum of absolute difference +u8 ARMul_UnsignedAbsoluteDifference(u8 left, u8 right) +{ + if (left > right) + return left - right; + + return right - left; +} + +// Add with carry, indicates if a carry-out or signed overflow occurred. +u32 AddWithCarry(u32 left, u32 right, u32 carry_in, bool* carry_out_occurred, bool* overflow_occurred) +{ + u64 unsigned_sum = (u64)left + (u64)right + (u64)carry_in; + s64 signed_sum = (s64)(s32)left + (s64)(s32)right + (s64)carry_in; + u64 result = (unsigned_sum & 0xFFFFFFFF); + + if (carry_out_occurred) + *carry_out_occurred = (result != unsigned_sum); + + if (overflow_occurred) + *overflow_occurred = ((s64)(s32)result != signed_sum); + + return (u32)result; +} + +// Compute whether an addition of A and B, giving RESULT, overflowed. +bool AddOverflow(ARMword a, ARMword b, ARMword result) +{ + return ((NEG(a) && NEG(b) && POS(result)) || + (POS(a) && POS(b) && NEG(result))); +} + +// Compute whether a subtraction of A and B, giving RESULT, overflowed. +bool SubOverflow(ARMword a, ARMword b, ARMword result) +{ + return ((NEG(a) && POS(b) && POS(result)) || + (POS(a) && NEG(b) && NEG(result))); +} + +// Returns true if the Q flag should be set as a result of overflow. +bool ARMul_AddOverflowQ(ARMword a, ARMword b) +{ + u32 result = a + b; + if (((result ^ a) & (u32)0x80000000) && ((a ^ b) & (u32)0x80000000) == 0) + return true; + + return false; +} + +// 8-bit signed saturated addition +u8 ARMul_SignedSaturatedAdd8(u8 left, u8 right) +{ + u8 result = left + right; + + if (((result ^ left) & 0x80) && ((left ^ right) & 0x80) == 0) { + if (left & 0x80) + result = 0x80; + else + result = 0x7F; + } + + return result; +} + +// 8-bit signed saturated subtraction +u8 ARMul_SignedSaturatedSub8(u8 left, u8 right) +{ + u8 result = left - right; + + if (((result ^ left) & 0x80) && ((left ^ right) & 0x80) != 0) { + if (left & 0x80) + result = 0x80; + else + result = 0x7F; + } + + return result; +} + +// 16-bit signed saturated addition +u16 ARMul_SignedSaturatedAdd16(u16 left, u16 right) +{ + u16 result = left + right; + + if (((result ^ left) & 0x8000) && ((left ^ right) & 0x8000) == 0) { + if (left & 0x8000) + result = 0x8000; + else + result = 0x7FFF; + } + + return result; +} + +// 16-bit signed saturated subtraction +u16 ARMul_SignedSaturatedSub16(u16 left, u16 right) +{ + u16 result = left - right; + + if (((result ^ left) & 0x8000) && ((left ^ right) & 0x8000) != 0) { + if (left & 0x8000) + result = 0x8000; + else + result = 0x7FFF; + } + + return result; +} + +// 8-bit unsigned saturated addition +u8 ARMul_UnsignedSaturatedAdd8(u8 left, u8 right) +{ + u8 result = left + right; + + if (result < left) + result = 0xFF; + + return result; +} + +// 16-bit unsigned saturated addition +u16 ARMul_UnsignedSaturatedAdd16(u16 left, u16 right) +{ + u16 result = left + right; + + if (result < left) + result = 0xFFFF; + + return result; +} + +// 8-bit unsigned saturated subtraction +u8 ARMul_UnsignedSaturatedSub8(u8 left, u8 right) +{ + if (left <= right) + return 0; + + return left - right; +} + +// 16-bit unsigned saturated subtraction +u16 ARMul_UnsignedSaturatedSub16(u16 left, u16 right) +{ + if (left <= right) + return 0; + + return left - right; +} + +// Signed saturation. +u32 ARMul_SignedSatQ(s32 value, u8 shift, bool* saturation_occurred) +{ + const u32 max = (1 << shift) - 1; + const s32 top = (value >> shift); + + if (top > 0) { + *saturation_occurred = true; + return max; + } + else if (top < -1) { + *saturation_occurred = true; + return ~max; + } + + *saturation_occurred = false; + return (u32)value; +} + +// Unsigned saturation +u32 ARMul_UnsignedSatQ(s32 value, u8 shift, bool* saturation_occurred) +{ + const u32 max = (1 << shift) - 1; + + if (value < 0) { + *saturation_occurred = true; + return 0; + } else if ((u32)value > max) { + *saturation_occurred = true; + return max; + } + + *saturation_occurred = false; + return (u32)value; +} + +// Whether or not the given CPU is in big endian mode (E bit is set) +bool InBigEndianMode(ARMul_State* cpu) +{ + return (cpu->Cpsr & (1 << 9)) != 0; +} + +// Whether or not the given CPU is in a mode other than user mode. +bool InAPrivilegedMode(ARMul_State* cpu) +{ + return (cpu->Mode != USER32MODE); +} + +// Reads from the CP15 registers. Used with implementation of the MRC instruction. +// Note that since the 3DS does not have the hypervisor extensions, these registers +// are not implemented. +u32 ReadCP15Register(ARMul_State* cpu, u32 crn, u32 opcode_1, u32 crm, u32 opcode_2) +{ + // Unprivileged registers + if (crn == 13 && opcode_1 == 0 && crm == 0) + { + if (opcode_2 == 2) + return cpu->CP15[CP15_THREAD_UPRW]; + + if (opcode_2 == 3) + return cpu->CP15[CP15_THREAD_URO]; + } + + if (InAPrivilegedMode(cpu)) + { + if (crn == 0 && opcode_1 == 0) + { + if (crm == 0) + { + if (opcode_2 == 0) + return cpu->CP15[CP15_MAIN_ID]; + + if (opcode_2 == 1) + return cpu->CP15[CP15_CACHE_TYPE]; + + if (opcode_2 == 3) + return cpu->CP15[CP15_TLB_TYPE]; + + if (opcode_2 == 5) + return cpu->CP15[CP15_CPU_ID]; + } + else if (crm == 1) + { + if (opcode_2 == 0) + return cpu->CP15[CP15_PROCESSOR_FEATURE_0]; + + if (opcode_2 == 1) + return cpu->CP15[CP15_PROCESSOR_FEATURE_1]; + + if (opcode_2 == 2) + return cpu->CP15[CP15_DEBUG_FEATURE_0]; + + if (opcode_2 == 4) + return cpu->CP15[CP15_MEMORY_MODEL_FEATURE_0]; + + if (opcode_2 == 5) + return cpu->CP15[CP15_MEMORY_MODEL_FEATURE_1]; + + if (opcode_2 == 6) + return cpu->CP15[CP15_MEMORY_MODEL_FEATURE_2]; + + if (opcode_2 == 7) + return cpu->CP15[CP15_MEMORY_MODEL_FEATURE_3]; + } + else if (crm == 2) + { + if (opcode_2 == 0) + return cpu->CP15[CP15_ISA_FEATURE_0]; + + if (opcode_2 == 1) + return cpu->CP15[CP15_ISA_FEATURE_1]; + + if (opcode_2 == 2) + return cpu->CP15[CP15_ISA_FEATURE_2]; + + if (opcode_2 == 3) + return cpu->CP15[CP15_ISA_FEATURE_3]; + + if (opcode_2 == 4) + return cpu->CP15[CP15_ISA_FEATURE_4]; + } + } + + if (crn == 1 && opcode_1 == 0 && crm == 0) + { + if (opcode_2 == 0) + return cpu->CP15[CP15_CONTROL]; + + if (opcode_2 == 1) + return cpu->CP15[CP15_AUXILIARY_CONTROL]; + + if (opcode_2 == 2) + return cpu->CP15[CP15_COPROCESSOR_ACCESS_CONTROL]; + } + + if (crn == 2 && opcode_1 == 0 && crm == 0) + { + if (opcode_2 == 0) + return cpu->CP15[CP15_TRANSLATION_BASE_TABLE_0]; + + if (opcode_2 == 1) + return cpu->CP15[CP15_TRANSLATION_BASE_TABLE_1]; + + if (opcode_2 == 2) + return cpu->CP15[CP15_TRANSLATION_BASE_CONTROL]; + } + + if (crn == 3 && opcode_1 == 0 && crm == 0 && opcode_2 == 0) + return cpu->CP15[CP15_DOMAIN_ACCESS_CONTROL]; + + if (crn == 5 && opcode_1 == 0 && crm == 0) + { + if (opcode_2 == 0) + return cpu->CP15[CP15_FAULT_STATUS]; + + if (opcode_2 == 1) + return cpu->CP15[CP15_INSTR_FAULT_STATUS]; + } + + if (crn == 6 && opcode_1 == 0 && crm == 0) + { + if (opcode_2 == 0) + return cpu->CP15[CP15_FAULT_ADDRESS]; + + if (opcode_2 == 1) + return cpu->CP15[CP15_WFAR]; + } + + if (crn == 7 && opcode_1 == 0 && crm == 4 && opcode_2 == 0) + return cpu->CP15[CP15_PHYS_ADDRESS]; + + if (crn == 9 && opcode_1 == 0 && crm == 0 && opcode_2 == 0) + return cpu->CP15[CP15_DATA_CACHE_LOCKDOWN]; + + if (crn == 10 && opcode_1 == 0) + { + if (crm == 0 && opcode_2 == 0) + return cpu->CP15[CP15_TLB_LOCKDOWN]; + + if (crm == 2) + { + if (opcode_2 == 0) + return cpu->CP15[CP15_PRIMARY_REGION_REMAP]; + + if (opcode_2 == 1) + return cpu->CP15[CP15_NORMAL_REGION_REMAP]; + } + } + + if (crn == 13 && crm == 0) + { + if (opcode_2 == 0) + return cpu->CP15[CP15_PID]; + + if (opcode_2 == 1) + return cpu->CP15[CP15_CONTEXT_ID]; + + if (opcode_2 == 4) + return cpu->CP15[CP15_THREAD_PRW]; + } + + if (crn == 15) + { + if (opcode_1 == 0 && crm == 12) + { + if (opcode_2 == 0) + return cpu->CP15[CP15_PERFORMANCE_MONITOR_CONTROL]; + + if (opcode_2 == 1) + return cpu->CP15[CP15_CYCLE_COUNTER]; + + if (opcode_2 == 2) + return cpu->CP15[CP15_COUNT_0]; + + if (opcode_2 == 3) + return cpu->CP15[CP15_COUNT_1]; + } + + if (opcode_1 == 5 && opcode_2 == 2) + { + if (crm == 5) + return cpu->CP15[CP15_MAIN_TLB_LOCKDOWN_VIRT_ADDRESS]; + + if (crm == 6) + return cpu->CP15[CP15_MAIN_TLB_LOCKDOWN_PHYS_ADDRESS]; + + if (crm == 7) + return cpu->CP15[CP15_MAIN_TLB_LOCKDOWN_ATTRIBUTE]; + } + + if (opcode_1 == 7 && crm == 1 && opcode_2 == 0) + return cpu->CP15[CP15_TLB_DEBUG_CONTROL]; + } + } + + LOG_ERROR(Core_ARM11, "MRC CRn=%u, CRm=%u, OP1=%u OP2=%u is not implemented. Returning zero.", crn, crm, opcode_1, opcode_2); + return 0; +} + +// Write to the CP15 registers. Used with implementation of the MCR instruction. +// Note that since the 3DS does not have the hypervisor extensions, these registers +// are not implemented. +void WriteCP15Register(ARMul_State* cpu, u32 value, u32 crn, u32 opcode_1, u32 crm, u32 opcode_2) +{ + if (InAPrivilegedMode(cpu)) + { + if (crn == 1 && opcode_1 == 0 && crm == 0) + { + if (opcode_2 == 0) + cpu->CP15[CP15_CONTROL] = value; + else if (opcode_2 == 1) + cpu->CP15[CP15_AUXILIARY_CONTROL] = value; + else if (opcode_2 == 2) + cpu->CP15[CP15_COPROCESSOR_ACCESS_CONTROL] = value; + } + else if (crn == 2 && opcode_1 == 0 && crm == 0) + { + if (opcode_2 == 0) + cpu->CP15[CP15_TRANSLATION_BASE_TABLE_0] = value; + else if (opcode_2 == 1) + cpu->CP15[CP15_TRANSLATION_BASE_TABLE_1] = value; + else if (opcode_2 == 2) + cpu->CP15[CP15_TRANSLATION_BASE_CONTROL] = value; + } + else if (crn == 3 && opcode_1 == 0 && crm == 0 && opcode_2 == 0) + { + cpu->CP15[CP15_DOMAIN_ACCESS_CONTROL] = value; + } + else if (crn == 5 && opcode_1 == 0 && crm == 0) + { + if (opcode_2 == 0) + cpu->CP15[CP15_FAULT_STATUS] = value; + else if (opcode_2 == 1) + cpu->CP15[CP15_INSTR_FAULT_STATUS] = value; + } + else if (crn == 6 && opcode_1 == 0 && crm == 0) + { + if (opcode_2 == 0) + cpu->CP15[CP15_FAULT_ADDRESS] = value; + else if (opcode_2 == 1) + cpu->CP15[CP15_WFAR] = value; + } + else if (crn == 7 && opcode_1 == 0) + { + if (crm == 0 && opcode_2 == 4) + { + cpu->CP15[CP15_WAIT_FOR_INTERRUPT] = value; + } + else if (crm == 4 && opcode_2 == 0) + { + // NOTE: Not entirely accurate. This should do permission checks. + cpu->CP15[CP15_PHYS_ADDRESS] = Memory::VirtualToPhysicalAddress(value); + } + else if (crm == 5) + { + if (opcode_2 == 0) + cpu->CP15[CP15_INVALIDATE_INSTR_CACHE] = value; + else if (opcode_2 == 1) + cpu->CP15[CP15_INVALIDATE_INSTR_CACHE_USING_MVA] = value; + else if (opcode_2 == 2) + cpu->CP15[CP15_INVALIDATE_INSTR_CACHE_USING_INDEX] = value; + else if (opcode_2 == 6) + cpu->CP15[CP15_FLUSH_BRANCH_TARGET_CACHE] = value; + else if (opcode_2 == 7) + cpu->CP15[CP15_FLUSH_BRANCH_TARGET_CACHE_ENTRY] = value; + } + else if (crm == 6) + { + if (opcode_2 == 0) + cpu->CP15[CP15_INVALIDATE_DATA_CACHE] = value; + else if (opcode_2 == 1) + cpu->CP15[CP15_INVALIDATE_DATA_CACHE_LINE_USING_MVA] = value; + else if (opcode_2 == 2) + cpu->CP15[CP15_INVALIDATE_DATA_CACHE_LINE_USING_INDEX] = value; + } + else if (crm == 7 && opcode_2 == 0) + { + cpu->CP15[CP15_INVALIDATE_DATA_AND_INSTR_CACHE] = value; + } + else if (crm == 10) + { + if (opcode_2 == 0) + cpu->CP15[CP15_CLEAN_DATA_CACHE] = value; + else if (opcode_2 == 1) + cpu->CP15[CP15_CLEAN_DATA_CACHE_LINE_USING_MVA] = value; + else if (opcode_2 == 2) + cpu->CP15[CP15_CLEAN_DATA_CACHE_LINE_USING_INDEX] = value; + } + else if (crm == 14) + { + if (opcode_2 == 0) + cpu->CP15[CP15_CLEAN_AND_INVALIDATE_DATA_CACHE] = value; + else if (opcode_2 == 1) + cpu->CP15[CP15_CLEAN_AND_INVALIDATE_DATA_CACHE_LINE_USING_MVA] = value; + else if (opcode_2 == 2) + cpu->CP15[CP15_CLEAN_AND_INVALIDATE_DATA_CACHE_LINE_USING_INDEX] = value; + } + } + else if (crn == 8 && opcode_1 == 0) + { + LOG_WARNING(Core_ARM11, "TLB operations not fully implemented."); + + if (crm == 5) + { + if (opcode_2 == 0) + cpu->CP15[CP15_INVALIDATE_ITLB] = value; + else if (opcode_2 == 1) + cpu->CP15[CP15_INVALIDATE_ITLB_SINGLE_ENTRY] = value; + else if (opcode_2 == 2) + cpu->CP15[CP15_INVALIDATE_ITLB_ENTRY_ON_ASID_MATCH] = value; + else if (opcode_2 == 3) + cpu->CP15[CP15_INVALIDATE_ITLB_ENTRY_ON_MVA] = value; + } + else if (crm == 6) + { + if (opcode_2 == 0) + cpu->CP15[CP15_INVALIDATE_DTLB] = value; + else if (opcode_2 == 1) + cpu->CP15[CP15_INVALIDATE_DTLB_SINGLE_ENTRY] = value; + else if (opcode_2 == 2) + cpu->CP15[CP15_INVALIDATE_DTLB_ENTRY_ON_ASID_MATCH] = value; + else if (opcode_2 == 3) + cpu->CP15[CP15_INVALIDATE_DTLB_ENTRY_ON_MVA] = value; + } + else if (crm == 7) + { + if (opcode_2 == 0) + cpu->CP15[CP15_INVALIDATE_UTLB] = value; + else if (opcode_2 == 1) + cpu->CP15[CP15_INVALIDATE_UTLB_SINGLE_ENTRY] = value; + else if (opcode_2 == 2) + cpu->CP15[CP15_INVALIDATE_UTLB_ENTRY_ON_ASID_MATCH] = value; + else if (opcode_2 == 3) + cpu->CP15[CP15_INVALIDATE_UTLB_ENTRY_ON_MVA] = value; + } + } + else if (crn == 9 && opcode_1 == 0 && crm == 0 && opcode_2 == 0) + { + cpu->CP15[CP15_DATA_CACHE_LOCKDOWN] = value; + } + else if (crn == 10 && opcode_1 == 0) + { + if (crm == 0 && opcode_2 == 0) + { + cpu->CP15[CP15_TLB_LOCKDOWN] = value; + } + else if (crm == 2) + { + if (opcode_2 == 0) + cpu->CP15[CP15_PRIMARY_REGION_REMAP] = value; + else if (opcode_2 == 1) + cpu->CP15[CP15_NORMAL_REGION_REMAP] = value; + } + } + else if (crn == 13 && opcode_1 == 0 && crm == 0) + { + if (opcode_2 == 0) + cpu->CP15[CP15_PID] = value; + else if (opcode_2 == 1) + cpu->CP15[CP15_CONTEXT_ID] = value; + else if (opcode_2 == 3) + cpu->CP15[CP15_THREAD_URO] = value; + else if (opcode_2 == 4) + cpu->CP15[CP15_THREAD_PRW] = value; + } + else if (crn == 15) + { + if (opcode_1 == 0 && crm == 12) + { + if (opcode_2 == 0) + cpu->CP15[CP15_PERFORMANCE_MONITOR_CONTROL] = value; + else if (opcode_2 == 1) + cpu->CP15[CP15_CYCLE_COUNTER] = value; + else if (opcode_2 == 2) + cpu->CP15[CP15_COUNT_0] = value; + else if (opcode_2 == 3) + cpu->CP15[CP15_COUNT_1] = value; + } + else if (opcode_1 == 5) + { + if (crm == 4) + { + if (opcode_2 == 2) + cpu->CP15[CP15_READ_MAIN_TLB_LOCKDOWN_ENTRY] = value; + else if (opcode_2 == 4) + cpu->CP15[CP15_WRITE_MAIN_TLB_LOCKDOWN_ENTRY] = value; + } + else if (crm == 5 && opcode_2 == 2) + { + cpu->CP15[CP15_MAIN_TLB_LOCKDOWN_VIRT_ADDRESS] = value; + } + else if (crm == 6 && opcode_2 == 2) + { + cpu->CP15[CP15_MAIN_TLB_LOCKDOWN_PHYS_ADDRESS] = value; + } + else if (crm == 7 && opcode_2 == 2) + { + cpu->CP15[CP15_MAIN_TLB_LOCKDOWN_ATTRIBUTE] = value; + } + } + else if (opcode_1 == 7 && crm == 1 && opcode_2 == 0) + { + cpu->CP15[CP15_TLB_DEBUG_CONTROL] = value; + } + } + } + + // Unprivileged registers + if (crn == 7 && opcode_1 == 0 && crm == 5 && opcode_2 == 4) + { + cpu->CP15[CP15_FLUSH_PREFETCH_BUFFER] = value; + } + else if (crn == 7 && opcode_1 == 0 && crm == 10) + { + if (opcode_2 == 4) + cpu->CP15[CP15_DATA_SYNC_BARRIER] = value; + else if (opcode_2 == 5) + cpu->CP15[CP15_DATA_MEMORY_BARRIER] = value; + + } + else if (crn == 13 && opcode_1 == 0 && crm == 0 && opcode_2 == 2) + { + cpu->CP15[CP15_THREAD_UPRW] = value; + } +} -- cgit v1.2.3 From 0191c26521930d439d5474dd2e861ef595405147 Mon Sep 17 00:00:00 2001 From: Lioncash Date: Sat, 25 Jul 2015 20:19:39 -0400 Subject: dyncom: Move helper functions to their own header --- src/core/CMakeLists.txt | 1 + src/core/arm/dyncom/arm_dyncom.cpp | 1 + src/core/arm/dyncom/arm_dyncom_dec.cpp | 4 +-- src/core/arm/dyncom/arm_dyncom_dec.h | 4 ++- src/core/arm/dyncom/arm_dyncom_interpreter.cpp | 1 + src/core/arm/dyncom/arm_dyncom_thumb.cpp | 1 + src/core/arm/skyeye_common/armdefs.h | 34 --------------------- src/core/arm/skyeye_common/armmmu.h | 1 + src/core/arm/skyeye_common/armsupp.cpp | 9 +++--- src/core/arm/skyeye_common/armsupp.h | 42 ++++++++++++++++++++++++++ 10 files changed, 57 insertions(+), 41 deletions(-) create mode 100644 src/core/arm/skyeye_common/armsupp.h diff --git a/src/core/CMakeLists.txt b/src/core/CMakeLists.txt index adf15d66..2fab2570 100644 --- a/src/core/CMakeLists.txt +++ b/src/core/CMakeLists.txt @@ -134,6 +134,7 @@ set(HEADERS arm/skyeye_common/arm_regformat.h arm/skyeye_common/armdefs.h arm/skyeye_common/armmmu.h + arm/skyeye_common/armsupp.h arm/skyeye_common/vfp/asm_vfp.h arm/skyeye_common/vfp/vfp.h arm/skyeye_common/vfp/vfp_helper.h diff --git a/src/core/arm/dyncom/arm_dyncom.cpp b/src/core/arm/dyncom/arm_dyncom.cpp index 529c4ac7..60a1dcf6 100644 --- a/src/core/arm/dyncom/arm_dyncom.cpp +++ b/src/core/arm/dyncom/arm_dyncom.cpp @@ -7,6 +7,7 @@ #include "common/make_unique.h" #include "core/arm/skyeye_common/armdefs.h" +#include "core/arm/skyeye_common/armsupp.h" #include "core/arm/skyeye_common/vfp/vfp.h" #include "core/arm/dyncom/arm_dyncom.h" diff --git a/src/core/arm/dyncom/arm_dyncom_dec.cpp b/src/core/arm/dyncom/arm_dyncom_dec.cpp index 697be955..3ab9f2c1 100644 --- a/src/core/arm/dyncom/arm_dyncom_dec.cpp +++ b/src/core/arm/dyncom/arm_dyncom_dec.cpp @@ -2,8 +2,8 @@ // Licensed under GPLv2 or any later version // Refer to the license.txt file included. -#include "core/arm/skyeye_common/armdefs.h" #include "core/arm/dyncom/arm_dyncom_dec.h" +#include "core/arm/skyeye_common/armsupp.h" const ISEITEM arm_instruction[] = { { "vmla", 4, ARMVFP2, { 23, 27, 0x1C, 20, 21, 0x0, 9, 11, 0x5, 4, 4, 0 }}, @@ -414,7 +414,7 @@ const ISEITEM arm_exclusion_code[] = { { "invalid", 0, INVALID, { 0 }} }; -int decode_arm_instr(uint32_t instr, int32_t *idx) { +int decode_arm_instr(u32 instr, s32* idx) { int n = 0; int base = 0; int ret = DECODE_FAILURE; diff --git a/src/core/arm/dyncom/arm_dyncom_dec.h b/src/core/arm/dyncom/arm_dyncom_dec.h index 4b5f5ad7..5f627962 100644 --- a/src/core/arm/dyncom/arm_dyncom_dec.h +++ b/src/core/arm/dyncom/arm_dyncom_dec.h @@ -4,7 +4,9 @@ #pragma once -int decode_arm_instr(uint32_t instr, int32_t *idx); +#include "common/common_types.h" + +int decode_arm_instr(u32 instr, s32* idx); enum DECODE_STATUS { DECODE_SUCCESS, diff --git a/src/core/arm/dyncom/arm_dyncom_interpreter.cpp b/src/core/arm/dyncom/arm_dyncom_interpreter.cpp index 785f3956..d9db0daa 100644 --- a/src/core/arm/dyncom/arm_dyncom_interpreter.cpp +++ b/src/core/arm/dyncom/arm_dyncom_interpreter.cpp @@ -19,6 +19,7 @@ #include "core/arm/dyncom/arm_dyncom_run.h" #include "core/arm/skyeye_common/armdefs.h" #include "core/arm/skyeye_common/armmmu.h" +#include "core/arm/skyeye_common/armsupp.h" #include "core/arm/skyeye_common/vfp/vfp.h" Common::Profiling::TimingCategory profile_execute("DynCom::Execute"); diff --git a/src/core/arm/dyncom/arm_dyncom_thumb.cpp b/src/core/arm/dyncom/arm_dyncom_thumb.cpp index f10a5b70..13cc34be 100644 --- a/src/core/arm/dyncom/arm_dyncom_thumb.cpp +++ b/src/core/arm/dyncom/arm_dyncom_thumb.cpp @@ -6,6 +6,7 @@ // ARM instruction, and using the existing ARM simulator. #include "core/arm/dyncom/arm_dyncom_thumb.h" +#include "core/arm/skyeye_common/armsupp.h" // Decode a 16bit Thumb instruction. The instruction is in the low 16-bits of the tinstr field, // with the following Thumb instruction held in the high 16-bits. Passing in two Thumb instructions diff --git a/src/core/arm/skyeye_common/armdefs.h b/src/core/arm/skyeye_common/armdefs.h index a0ec108c..f183b509 100644 --- a/src/core/arm/skyeye_common/armdefs.h +++ b/src/core/arm/skyeye_common/armdefs.h @@ -22,9 +22,6 @@ #include "common/common_types.h" #include "core/arm/skyeye_common/arm_regformat.h" -#define BITS(s, a, b) ((s << ((sizeof(s) * 8 - 1) - b)) >> (sizeof(s) * 8 - b + a - 1)) -#define BIT(s, n) ((s >> (n)) & 1) - // Signal levels enum { LOW = 0, @@ -47,9 +44,6 @@ enum { ABORT_BASE_UPDATED = 2 }; -#define POS(i) ( (~(i)) >> 31 ) -#define NEG(i) ( (i) >> 31 ) - typedef u64 ARMdword; // must be 64 bits wide typedef u32 ARMword; // must be 32 bits wide typedef u16 ARMhword; // must be 16 bits wide @@ -288,31 +282,3 @@ enum { ONCE = 2, // Execute just one iteration RUN = 3 // Continuous execution }; - - -bool AddOverflow(ARMword, ARMword, ARMword); -bool SubOverflow(ARMword, ARMword, ARMword); - -void ARMul_SelectProcessor(ARMul_State*, unsigned); - -u32 AddWithCarry(u32, u32, u32, bool*, bool*); -bool ARMul_AddOverflowQ(ARMword, ARMword); - -u8 ARMul_SignedSaturatedAdd8(u8, u8); -u8 ARMul_SignedSaturatedSub8(u8, u8); -u16 ARMul_SignedSaturatedAdd16(u16, u16); -u16 ARMul_SignedSaturatedSub16(u16, u16); - -u8 ARMul_UnsignedSaturatedAdd8(u8, u8); -u16 ARMul_UnsignedSaturatedAdd16(u16, u16); -u8 ARMul_UnsignedSaturatedSub8(u8, u8); -u16 ARMul_UnsignedSaturatedSub16(u16, u16); -u8 ARMul_UnsignedAbsoluteDifference(u8, u8); -u32 ARMul_SignedSatQ(s32, u8, bool*); -u32 ARMul_UnsignedSatQ(s32, u8, bool*); - -bool InBigEndianMode(ARMul_State*); -bool InAPrivilegedMode(ARMul_State*); - -u32 ReadCP15Register(ARMul_State* cpu, u32 crn, u32 opcode_1, u32 crm, u32 opcode_2); -void WriteCP15Register(ARMul_State* cpu, u32 value, u32 crn, u32 opcode_1, u32 crm, u32 opcode_2); diff --git a/src/core/arm/skyeye_common/armmmu.h b/src/core/arm/skyeye_common/armmmu.h index c67d7209..6aa2e077 100644 --- a/src/core/arm/skyeye_common/armmmu.h +++ b/src/core/arm/skyeye_common/armmmu.h @@ -24,6 +24,7 @@ #include "core/memory.h" #include "core/arm/skyeye_common/armdefs.h" +#include "core/arm/skyeye_common/armsupp.h" // Register numbers in the MMU enum diff --git a/src/core/arm/skyeye_common/armsupp.cpp b/src/core/arm/skyeye_common/armsupp.cpp index 83f7f3e2..e1d4509c 100644 --- a/src/core/arm/skyeye_common/armsupp.cpp +++ b/src/core/arm/skyeye_common/armsupp.cpp @@ -18,8 +18,9 @@ #include "common/logging/log.h" #include "core/mem_map.h" -#include "core/arm/skyeye_common/armdefs.h" #include "core/arm/skyeye_common/arm_regformat.h" +#include "core/arm/skyeye_common/armdefs.h" +#include "core/arm/skyeye_common/armsupp.h" // Unsigned sum of absolute difference u8 ARMul_UnsignedAbsoluteDifference(u8 left, u8 right) @@ -47,21 +48,21 @@ u32 AddWithCarry(u32 left, u32 right, u32 carry_in, bool* carry_out_occurred, bo } // Compute whether an addition of A and B, giving RESULT, overflowed. -bool AddOverflow(ARMword a, ARMword b, ARMword result) +bool AddOverflow(u32 a, u32 b, u32 result) { return ((NEG(a) && NEG(b) && POS(result)) || (POS(a) && POS(b) && NEG(result))); } // Compute whether a subtraction of A and B, giving RESULT, overflowed. -bool SubOverflow(ARMword a, ARMword b, ARMword result) +bool SubOverflow(u32 a, u32 b, u32 result) { return ((NEG(a) && POS(b) && POS(result)) || (POS(a) && NEG(b) && NEG(result))); } // Returns true if the Q flag should be set as a result of overflow. -bool ARMul_AddOverflowQ(ARMword a, ARMword b) +bool ARMul_AddOverflowQ(u32 a, u32 b) { u32 result = a + b; if (((result ^ a) & (u32)0x80000000) && ((a ^ b) & (u32)0x80000000) == 0) diff --git a/src/core/arm/skyeye_common/armsupp.h b/src/core/arm/skyeye_common/armsupp.h new file mode 100644 index 00000000..d82b2110 --- /dev/null +++ b/src/core/arm/skyeye_common/armsupp.h @@ -0,0 +1,42 @@ +// Copyright 2014 Citra Emulator Project +// Licensed under GPLv2 or any later version +// Refer to the license.txt file included. + +#pragma once + +#include "common/common_types.h" + +struct ARMul_State; + +#define BITS(s, a, b) ((s << ((sizeof(s) * 8 - 1) - b)) >> (sizeof(s) * 8 - b + a - 1)) +#define BIT(s, n) ((s >> (n)) & 1) + +#define POS(i) ( (~(i)) >> 31 ) +#define NEG(i) ( (i) >> 31 ) + +bool AddOverflow(u32, u32, u32); +bool SubOverflow(u32, u32, u32); + +void ARMul_SelectProcessor(ARMul_State*, unsigned); + +u32 AddWithCarry(u32, u32, u32, bool*, bool*); +bool ARMul_AddOverflowQ(u32, u32); + +u8 ARMul_SignedSaturatedAdd8(u8, u8); +u8 ARMul_SignedSaturatedSub8(u8, u8); +u16 ARMul_SignedSaturatedAdd16(u16, u16); +u16 ARMul_SignedSaturatedSub16(u16, u16); + +u8 ARMul_UnsignedSaturatedAdd8(u8, u8); +u16 ARMul_UnsignedSaturatedAdd16(u16, u16); +u8 ARMul_UnsignedSaturatedSub8(u8, u8); +u16 ARMul_UnsignedSaturatedSub16(u16, u16); +u8 ARMul_UnsignedAbsoluteDifference(u8, u8); +u32 ARMul_SignedSatQ(s32, u8, bool*); +u32 ARMul_UnsignedSatQ(s32, u8, bool*); + +bool InBigEndianMode(ARMul_State*); +bool InAPrivilegedMode(ARMul_State*); + +u32 ReadCP15Register(ARMul_State* cpu, u32 crn, u32 opcode_1, u32 crm, u32 opcode_2); +void WriteCP15Register(ARMul_State* cpu, u32 value, u32 crn, u32 opcode_1, u32 crm, u32 opcode_2); -- cgit v1.2.3 From 4bb1a5ca47c4135e867cd611c0e097f570bc721d Mon Sep 17 00:00:00 2001 From: Lioncash Date: Sat, 25 Jul 2015 20:52:10 -0400 Subject: dyncom: Get rid of skyeye typedefs --- src/citra_qt/debugger/disassembler.cpp | 2 +- src/core/arm/dyncom/arm_dyncom_interpreter.cpp | 9 ++--- src/core/arm/dyncom/arm_dyncom_thumb.cpp | 22 +++++------ src/core/arm/skyeye_common/armdefs.h | 51 ++++++++++++-------------- src/core/arm/skyeye_common/vfp/vfp.cpp | 10 ++--- src/core/arm/skyeye_common/vfp/vfp.h | 10 ++--- src/core/arm/skyeye_common/vfp/vfp_helper.h | 2 +- src/core/arm/skyeye_common/vfp/vfpdouble.cpp | 12 +++--- 8 files changed, 56 insertions(+), 62 deletions(-) diff --git a/src/citra_qt/debugger/disassembler.cpp b/src/citra_qt/debugger/disassembler.cpp index b41c40a0..60c18c42 100644 --- a/src/citra_qt/debugger/disassembler.cpp +++ b/src/citra_qt/debugger/disassembler.cpp @@ -219,7 +219,7 @@ void DisassemblerWidget::OnToggleStartStop() { } void DisassemblerWidget::OnDebugModeEntered() { - ARMword next_instr = Core::g_app_core->GetPC(); + u32 next_instr = Core::g_app_core->GetPC(); if (model->GetBreakPoints().IsAddressBreakPoint(next_instr)) emu_thread->SetRunning(false); diff --git a/src/core/arm/dyncom/arm_dyncom_interpreter.cpp b/src/core/arm/dyncom/arm_dyncom_interpreter.cpp index d9db0daa..a81bb8e9 100644 --- a/src/core/arm/dyncom/arm_dyncom_interpreter.cpp +++ b/src/core/arm/dyncom/arm_dyncom_interpreter.cpp @@ -51,22 +51,21 @@ typedef unsigned int (*shtop_fp_t)(ARMul_State* cpu, unsigned int sht_oper); // Defines a reservation granule of 2 words, which protects the first 2 words starting at the tag. // This is the smallest granule allowed by the v7 spec, and is coincidentally just large enough to // support LDR/STREXD. -static const ARMword RESERVATION_GRANULE_MASK = 0xFFFFFFF8; +static const u32 RESERVATION_GRANULE_MASK = 0xFFFFFFF8; // Exclusive memory access -static int exclusive_detect(ARMul_State* state, ARMword addr) { +static int exclusive_detect(ARMul_State* state, u32 addr) { if(state->exclusive_tag == (addr & RESERVATION_GRANULE_MASK)) return 0; else return -1; } -static void add_exclusive_addr(ARMul_State* state, ARMword addr){ +static void add_exclusive_addr(ARMul_State* state, u32 addr){ state->exclusive_tag = addr & RESERVATION_GRANULE_MASK; - return; } -static void remove_exclusive(ARMul_State* state, ARMword addr){ +static void remove_exclusive(ARMul_State* state, u32 addr){ state->exclusive_tag = 0xFFFFFFFF; } diff --git a/src/core/arm/dyncom/arm_dyncom_thumb.cpp b/src/core/arm/dyncom/arm_dyncom_thumb.cpp index 13cc34be..2860af37 100644 --- a/src/core/arm/dyncom/arm_dyncom_thumb.cpp +++ b/src/core/arm/dyncom/arm_dyncom_thumb.cpp @@ -14,7 +14,7 @@ tdstate thumb_translate(u32 addr, u32 instr, u32* ainstr, u32* inst_size) { tdstate valid = t_uninitialized; - ARMword tinstr = instr; + u32 tinstr = instr; // The endian should be judge here if((addr & 0x3) != 0) @@ -37,7 +37,7 @@ tdstate thumb_translate(u32 addr, u32 instr, u32* ainstr, u32* inst_size) { case 3: // ADD/SUB { - static const ARMword subset[4] = { + static const u32 subset[4] = { 0xE0900000, // ADDS Rd,Rs,Rn 0xE0500000, // SUBS Rd,Rs,Rn 0xE2900000, // ADDS Rd,Rs,#imm3 @@ -56,7 +56,7 @@ tdstate thumb_translate(u32 addr, u32 instr, u32* ainstr, u32* inst_size) { case 6: // ADD case 7: // SUB { - static const ARMword subset[4] = { + static const u32 subset[4] = { 0xE3B00000, // MOVS Rd,#imm8 0xE3500000, // CMP Rd,#imm8 0xE2900000, // ADDS Rd,Rd,#imm8 @@ -85,7 +85,7 @@ tdstate thumb_translate(u32 addr, u32 instr, u32* ainstr, u32* inst_size) { }; static const struct { - ARMword opcode; + u32 opcode; otype type; } subset[16] = { { 0xE0100000, t_norm }, // ANDS Rd,Rd,Rs @@ -130,8 +130,8 @@ tdstate thumb_translate(u32 addr, u32 instr, u32* ainstr, u32* inst_size) { break; } } else { - ARMword Rd = ((tinstr & 0x0007) >> 0); - ARMword Rs = ((tinstr & 0x0078) >> 3); + u32 Rd = ((tinstr & 0x0007) >> 0); + u32 Rs = ((tinstr & 0x0078) >> 3); if (tinstr & (1 << 7)) Rd += 8; @@ -185,7 +185,7 @@ tdstate thumb_translate(u32 addr, u32 instr, u32* ainstr, u32* inst_size) { case 10: case 11: { - static const ARMword subset[8] = { + static const u32 subset[8] = { 0xE7800000, // STR Rd,[Rb,Ro] 0xE18000B0, // STRH Rd,[Rb,Ro] 0xE7C00000, // STRB Rd,[Rb,Ro] @@ -208,7 +208,7 @@ tdstate thumb_translate(u32 addr, u32 instr, u32* ainstr, u32* inst_size) { case 14: // STRB Rd,[Rb,#imm5] case 15: // LDRB Rd,[Rb,#imm5] { - static const ARMword subset[4] = { + static const u32 subset[4] = { 0xE5800000, // STR Rd,[Rb,#imm5] 0xE5900000, // LDR Rd,[Rb,#imm5] 0xE5C00000, // STRB Rd,[Rb,#imm5] @@ -275,7 +275,7 @@ tdstate thumb_translate(u32 addr, u32 instr, u32* ainstr, u32* inst_size) { | BITS(tinstr, 0, 3) // imm4 field; | (BITS(tinstr, 4, 7) << 8); // beginning 4 bits of imm12 } else if ((tinstr & 0x0F00) == 0x0200) { - static const ARMword subset[4] = { + static const u32 subset[4] = { 0xE6BF0070, // SXTH 0xE6AF0070, // SXTB 0xE6FF0070, // UXTH @@ -299,7 +299,7 @@ tdstate thumb_translate(u32 addr, u32 instr, u32* ainstr, u32* inst_size) { | (BIT(tinstr, 4) << 18); // enable bit } } else if ((tinstr & 0x0F00) == 0x0a00) { - static const ARMword subset[3] = { + static const u32 subset[3] = { 0xE6BF0F30, // REV 0xE6BF0FB0, // REV16 0xE6FF0FB0, // REVSH @@ -309,7 +309,7 @@ tdstate thumb_translate(u32 addr, u32 instr, u32* ainstr, u32* inst_size) { | (BITS(tinstr, 0, 2) << 12) // Rd | BITS(tinstr, 3, 5); // Rm } else { - static const ARMword subset[4] = { + static const u32 subset[4] = { 0xE92D0000, // STMDB sp!,{rlist} 0xE92D4000, // STMDB sp!,{rlist,lr} 0xE8BD0000, // LDMIA sp!,{rlist} diff --git a/src/core/arm/skyeye_common/armdefs.h b/src/core/arm/skyeye_common/armdefs.h index f183b509..d5f4f306 100644 --- a/src/core/arm/skyeye_common/armdefs.h +++ b/src/core/arm/skyeye_common/armdefs.h @@ -44,50 +44,45 @@ enum { ABORT_BASE_UPDATED = 2 }; -typedef u64 ARMdword; // must be 64 bits wide -typedef u32 ARMword; // must be 32 bits wide -typedef u16 ARMhword; // must be 16 bits wide -typedef u8 ARMbyte; // must be 8 bits wide - #define VFP_REG_NUM 64 struct ARMul_State { - ARMword Emulate; // To start and stop emulation + u32 Emulate; // To start and stop emulation // Order of the following register should not be modified - ARMword Reg[16]; // The current register file - ARMword Cpsr; // The current PSR - ARMword Spsr_copy; - ARMword phys_pc; - ARMword Reg_usr[2]; - ARMword Reg_svc[2]; // R13_SVC R14_SVC - ARMword Reg_abort[2]; // R13_ABORT R14_ABORT - ARMword Reg_undef[2]; // R13 UNDEF R14 UNDEF - ARMword Reg_irq[2]; // R13_IRQ R14_IRQ - ARMword Reg_firq[7]; // R8---R14 FIRQ - ARMword Spsr[7]; // The exception psr's - ARMword Mode; // The current mode - ARMword Bank; // The current register bank - ARMword exclusive_tag; // The address for which the local monitor is in exclusive access mode - ARMword exclusive_state; - ARMword exclusive_result; - ARMword CP15[CP15_REGISTER_COUNT]; + u32 Reg[16]; // The current register file + u32 Cpsr; // The current PSR + u32 Spsr_copy; + u32 phys_pc; + u32 Reg_usr[2]; + u32 Reg_svc[2]; // R13_SVC R14_SVC + u32 Reg_abort[2]; // R13_ABORT R14_ABORT + u32 Reg_undef[2]; // R13 UNDEF R14 UNDEF + u32 Reg_irq[2]; // R13_IRQ R14_IRQ + u32 Reg_firq[7]; // R8---R14 FIRQ + u32 Spsr[7]; // The exception psr's + u32 Mode; // The current mode + u32 Bank; // The current register bank + u32 exclusive_tag; // The address for which the local monitor is in exclusive access mode + u32 exclusive_state; + u32 exclusive_result; + u32 CP15[CP15_REGISTER_COUNT]; // FPSID, FPSCR, and FPEXC - ARMword VFP[VFP_SYSTEM_REGISTER_COUNT]; + u32 VFP[VFP_SYSTEM_REGISTER_COUNT]; // VFPv2 and VFPv3-D16 has 16 doubleword registers (D0-D16 or S0-S31). // VFPv3-D32/ASIMD may have up to 32 doubleword registers (D0-D31), // and only 32 singleword registers are accessible (S0-S31). - ARMword ExtReg[VFP_REG_NUM]; + u32 ExtReg[VFP_REG_NUM]; /* ---- End of the ordered registers ---- */ - ARMword NFlag, ZFlag, CFlag, VFlag, IFFlags; // Dummy flags for speed + u32 NFlag, ZFlag, CFlag, VFlag, IFFlags; // Dummy flags for speed unsigned int shifter_carry_out; // Add armv6 flags dyf:2010-08-09 - ARMword GEFlag, EFlag, AFlag, QFlag; + u32 GEFlag, EFlag, AFlag, QFlag; - ARMword TFlag; // Thumb state + u32 TFlag; // Thumb state unsigned long long NumInstrs; // The number of instructions executed unsigned NumInstrsToExecute; diff --git a/src/core/arm/skyeye_common/vfp/vfp.cpp b/src/core/arm/skyeye_common/vfp/vfp.cpp index 1ffc1f9a..ed9ade88 100644 --- a/src/core/arm/skyeye_common/vfp/vfp.cpp +++ b/src/core/arm/skyeye_common/vfp/vfp.cpp @@ -43,7 +43,7 @@ void VFPInit(ARMul_State* state) state->VFP[VFP_MVFR1] = 0; } -void VMOVBRS(ARMul_State* state, ARMword to_arm, ARMword t, ARMword n, ARMword* value) +void VMOVBRS(ARMul_State* state, u32 to_arm, u32 t, u32 n, u32* value) { if (to_arm) { @@ -55,7 +55,7 @@ void VMOVBRS(ARMul_State* state, ARMword to_arm, ARMword t, ARMword n, ARMword* } } -void VMOVBRRD(ARMul_State* state, ARMword to_arm, ARMword t, ARMword t2, ARMword n, ARMword* value1, ARMword* value2) +void VMOVBRRD(ARMul_State* state, u32 to_arm, u32 t, u32 t2, u32 n, u32* value1, u32* value2) { if (to_arm) { @@ -68,7 +68,7 @@ void VMOVBRRD(ARMul_State* state, ARMword to_arm, ARMword t, ARMword t2, ARMword state->ExtReg[n*2] = *value1; } } -void VMOVBRRSS(ARMul_State* state, ARMword to_arm, ARMword t, ARMword t2, ARMword n, ARMword* value1, ARMword* value2) +void VMOVBRRSS(ARMul_State* state, u32 to_arm, u32 t, u32 t2, u32 n, u32* value1, u32* value2) { if (to_arm) { @@ -82,7 +82,7 @@ void VMOVBRRSS(ARMul_State* state, ARMword to_arm, ARMword t, ARMword t2, ARMwor } } -void VMOVI(ARMul_State* state, ARMword single, ARMword d, ARMword imm) +void VMOVI(ARMul_State* state, u32 single, u32 d, u32 imm) { if (single) { @@ -95,7 +95,7 @@ void VMOVI(ARMul_State* state, ARMword single, ARMword d, ARMword imm) state->ExtReg[d*2] = 0; } } -void VMOVR(ARMul_State* state, ARMword single, ARMword d, ARMword m) +void VMOVR(ARMul_State* state, u32 single, u32 d, u32 m) { if (single) { diff --git a/src/core/arm/skyeye_common/vfp/vfp.h b/src/core/arm/skyeye_common/vfp/vfp.h index 80ca93cc..88908da9 100644 --- a/src/core/arm/skyeye_common/vfp/vfp.h +++ b/src/core/arm/skyeye_common/vfp/vfp.h @@ -36,8 +36,8 @@ void vfp_raise_exceptions(ARMul_State* state, u32 exceptions, u32 inst, u32 fpsc u32 vfp_single_cpdo(ARMul_State* state, u32 inst, u32 fpscr); u32 vfp_double_cpdo(ARMul_State* state, u32 inst, u32 fpscr); -void VMOVBRS(ARMul_State* state, ARMword to_arm, ARMword t, ARMword n, ARMword* value); -void VMOVBRRD(ARMul_State* state, ARMword to_arm, ARMword t, ARMword t2, ARMword n, ARMword* value1, ARMword* value2); -void VMOVBRRSS(ARMul_State* state, ARMword to_arm, ARMword t, ARMword t2, ARMword n, ARMword* value1, ARMword* value2); -void VMOVI(ARMul_State* state, ARMword single, ARMword d, ARMword imm); -void VMOVR(ARMul_State* state, ARMword single, ARMword d, ARMword imm); +void VMOVBRS(ARMul_State* state, u32 to_arm, u32 t, u32 n, u32* value); +void VMOVBRRD(ARMul_State* state, u32 to_arm, u32 t, u32 t2, u32 n, u32* value1, u32* value2); +void VMOVBRRSS(ARMul_State* state, u32 to_arm, u32 t, u32 t2, u32 n, u32* value1, u32* value2); +void VMOVI(ARMul_State* state, u32 single, u32 d, u32 imm); +void VMOVR(ARMul_State* state, u32 single, u32 d, u32 imm); diff --git a/src/core/arm/skyeye_common/vfp/vfp_helper.h b/src/core/arm/skyeye_common/vfp/vfp_helper.h index 2007d6dc..f318e486 100644 --- a/src/core/arm/skyeye_common/vfp/vfp_helper.h +++ b/src/core/arm/skyeye_common/vfp/vfp_helper.h @@ -415,7 +415,7 @@ struct op { u32 flags; }; -static inline u32 fls(ARMword x) +static inline u32 fls(u32 x) { int r = 32; diff --git a/src/core/arm/skyeye_common/vfp/vfpdouble.cpp b/src/core/arm/skyeye_common/vfp/vfpdouble.cpp index f9104958..1d844a66 100644 --- a/src/core/arm/skyeye_common/vfp/vfpdouble.cpp +++ b/src/core/arm/skyeye_common/vfp/vfpdouble.cpp @@ -70,9 +70,9 @@ static void vfp_double_dump(const char *str, struct vfp_double *d) static void vfp_double_normalise_denormal(struct vfp_double *vd) { - int bits = 31 - fls((ARMword)(vd->significand >> 32)); + int bits = 31 - fls((u32)(vd->significand >> 32)); if (bits == 31) - bits = 63 - fls((ARMword)vd->significand); + bits = 63 - fls((u32)vd->significand); vfp_double_dump("normalise_denormal: in", vd); @@ -109,9 +109,9 @@ u32 vfp_double_normaliseround(ARMul_State* state, int dd, struct vfp_double *vd, exponent = vd->exponent; significand = vd->significand; - shift = 32 - fls((ARMword)(significand >> 32)); + shift = 32 - fls((u32)(significand >> 32)); if (shift == 32) - shift = 64 - fls((ARMword)significand); + shift = 64 - fls((u32)significand); if (shift) { exponent -= shift; significand <<= shift; @@ -566,7 +566,7 @@ static u32 vfp_double_ftoui(ARMul_State* state, int sd, int unused, int dm, u32 /* * 2^0 <= m < 2^32-2^8 */ - d = (ARMword)((vdm.significand << 1) >> shift); + d = (u32)((vdm.significand << 1) >> shift); rem = vdm.significand << (65 - shift); if (rmode == FPSCR_ROUND_NEAREST) { @@ -647,7 +647,7 @@ static u32 vfp_double_ftosi(ARMul_State* state, int sd, int unused, int dm, u32 int shift = 1023 + 63 - vdm.exponent; /* 58 */ u64 rem, incr = 0; - d = (ARMword)((vdm.significand << 1) >> shift); + d = (u32)((vdm.significand << 1) >> shift); rem = vdm.significand << (65 - shift); if (rmode == FPSCR_ROUND_NEAREST) { -- cgit v1.2.3 From dfb424b6d1238fed41cf1305ae1b330d5c4c5a0d Mon Sep 17 00:00:00 2001 From: Lioncash Date: Sat, 25 Jul 2015 21:10:41 -0400 Subject: dyncom: Rename armdefs.h to armstate.h --- src/citra_qt/debugger/disassembler.cpp | 1 - src/core/CMakeLists.txt | 2 +- src/core/arm/dyncom/arm_dyncom.cpp | 2 +- src/core/arm/dyncom/arm_dyncom.h | 2 +- src/core/arm/dyncom/arm_dyncom_interpreter.cpp | 2 +- src/core/arm/dyncom/arm_dyncom_interpreter.h | 2 +- src/core/arm/dyncom/arm_dyncom_run.cpp | 2 +- src/core/arm/dyncom/arm_dyncom_run.h | 2 +- src/core/arm/dyncom/arm_dyncom_thumb.h | 2 +- src/core/arm/skyeye_common/armdefs.h | 279 ------------------------- src/core/arm/skyeye_common/arminit.cpp | 2 +- src/core/arm/skyeye_common/armmmu.h | 2 +- src/core/arm/skyeye_common/armstate.h | 279 +++++++++++++++++++++++++ src/core/arm/skyeye_common/armsupp.cpp | 2 +- src/core/arm/skyeye_common/vfp/vfp.cpp | 2 +- src/core/arm/skyeye_common/vfp/vfp_helper.h | 2 +- src/core/hle/kernel/thread.cpp | 2 +- 17 files changed, 293 insertions(+), 294 deletions(-) delete mode 100644 src/core/arm/skyeye_common/armdefs.h create mode 100644 src/core/arm/skyeye_common/armstate.h diff --git a/src/citra_qt/debugger/disassembler.cpp b/src/citra_qt/debugger/disassembler.cpp index 60c18c42..1e5ef529 100644 --- a/src/citra_qt/debugger/disassembler.cpp +++ b/src/citra_qt/debugger/disassembler.cpp @@ -15,7 +15,6 @@ #include "common/break_points.h" #include "common/symbols.h" #include "core/arm/arm_interface.h" -#include "core/arm/skyeye_common/armdefs.h" #include "core/arm/disassembler/arm_disasm.h" diff --git a/src/core/CMakeLists.txt b/src/core/CMakeLists.txt index 2fab2570..ba9af2a1 100644 --- a/src/core/CMakeLists.txt +++ b/src/core/CMakeLists.txt @@ -132,7 +132,7 @@ set(HEADERS arm/dyncom/arm_dyncom_run.h arm/dyncom/arm_dyncom_thumb.h arm/skyeye_common/arm_regformat.h - arm/skyeye_common/armdefs.h + arm/skyeye_common/armstate.h arm/skyeye_common/armmmu.h arm/skyeye_common/armsupp.h arm/skyeye_common/vfp/asm_vfp.h diff --git a/src/core/arm/dyncom/arm_dyncom.cpp b/src/core/arm/dyncom/arm_dyncom.cpp index 60a1dcf6..3f93b439 100644 --- a/src/core/arm/dyncom/arm_dyncom.cpp +++ b/src/core/arm/dyncom/arm_dyncom.cpp @@ -6,7 +6,7 @@ #include "common/make_unique.h" -#include "core/arm/skyeye_common/armdefs.h" +#include "core/arm/skyeye_common/armstate.h" #include "core/arm/skyeye_common/armsupp.h" #include "core/arm/skyeye_common/vfp/vfp.h" diff --git a/src/core/arm/dyncom/arm_dyncom.h b/src/core/arm/dyncom/arm_dyncom.h index cc935572..87ab6908 100644 --- a/src/core/arm/dyncom/arm_dyncom.h +++ b/src/core/arm/dyncom/arm_dyncom.h @@ -9,8 +9,8 @@ #include "common/common_types.h" #include "core/arm/arm_interface.h" -#include "core/arm/skyeye_common/armdefs.h" #include "core/arm/skyeye_common/arm_regformat.h" +#include "core/arm/skyeye_common/armstate.h" namespace Core { struct ThreadContext; diff --git a/src/core/arm/dyncom/arm_dyncom_interpreter.cpp b/src/core/arm/dyncom/arm_dyncom_interpreter.cpp index a81bb8e9..fd5e1329 100644 --- a/src/core/arm/dyncom/arm_dyncom_interpreter.cpp +++ b/src/core/arm/dyncom/arm_dyncom_interpreter.cpp @@ -17,8 +17,8 @@ #include "core/arm/dyncom/arm_dyncom_interpreter.h" #include "core/arm/dyncom/arm_dyncom_thumb.h" #include "core/arm/dyncom/arm_dyncom_run.h" -#include "core/arm/skyeye_common/armdefs.h" #include "core/arm/skyeye_common/armmmu.h" +#include "core/arm/skyeye_common/armstate.h" #include "core/arm/skyeye_common/armsupp.h" #include "core/arm/skyeye_common/vfp/vfp.h" diff --git a/src/core/arm/dyncom/arm_dyncom_interpreter.h b/src/core/arm/dyncom/arm_dyncom_interpreter.h index 1c324d29..7a46dcc9 100644 --- a/src/core/arm/dyncom/arm_dyncom_interpreter.h +++ b/src/core/arm/dyncom/arm_dyncom_interpreter.h @@ -4,6 +4,6 @@ #pragma once -#include "core/arm/skyeye_common/armdefs.h" +struct ARMul_State; unsigned InterpreterMainLoop(ARMul_State* state); diff --git a/src/core/arm/dyncom/arm_dyncom_run.cpp b/src/core/arm/dyncom/arm_dyncom_run.cpp index 5a9a6a78..4c6acba9 100644 --- a/src/core/arm/dyncom/arm_dyncom_run.cpp +++ b/src/core/arm/dyncom/arm_dyncom_run.cpp @@ -3,7 +3,7 @@ // Refer to the license.txt file included. #include "core/arm/dyncom/arm_dyncom_run.h" -#include "core/arm/skyeye_common/armdefs.h" +#include "core/arm/skyeye_common/armstate.h" void switch_mode(ARMul_State* core, uint32_t mode) { if (core->Mode == mode) diff --git a/src/core/arm/dyncom/arm_dyncom_run.h b/src/core/arm/dyncom/arm_dyncom_run.h index 85774c56..ef18455b 100644 --- a/src/core/arm/dyncom/arm_dyncom_run.h +++ b/src/core/arm/dyncom/arm_dyncom_run.h @@ -18,7 +18,7 @@ #pragma once -#include "core/arm/skyeye_common/armdefs.h" +#include "core/arm/skyeye_common/armstate.h" void switch_mode(ARMul_State* core, uint32_t mode); diff --git a/src/core/arm/dyncom/arm_dyncom_thumb.h b/src/core/arm/dyncom/arm_dyncom_thumb.h index 8394ff15..c06f0958 100644 --- a/src/core/arm/dyncom/arm_dyncom_thumb.h +++ b/src/core/arm/dyncom/arm_dyncom_thumb.h @@ -26,7 +26,7 @@ #pragma once -#include "core/arm/skyeye_common/armdefs.h" +#include "common/common_types.h" enum tdstate { t_undefined, // Undefined Thumb instruction diff --git a/src/core/arm/skyeye_common/armdefs.h b/src/core/arm/skyeye_common/armdefs.h deleted file mode 100644 index d5f4f306..00000000 --- a/src/core/arm/skyeye_common/armdefs.h +++ /dev/null @@ -1,279 +0,0 @@ -/* armdefs.h -- ARMulator common definitions: ARM6 Instruction Emulator. - Copyright (C) 1994 Advanced RISC Machines Ltd. - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ - -#pragma once - -#include - -#include "common/common_types.h" -#include "core/arm/skyeye_common/arm_regformat.h" - -// Signal levels -enum { - LOW = 0, - HIGH = 1, - LOWHIGH = 1, - HIGHLOW = 2 -}; - -// Cache types -enum { - NONCACHE = 0, - DATACACHE = 1, - INSTCACHE = 2, -}; - -// Abort models -enum { - ABORT_BASE_RESTORED = 0, - ABORT_EARLY = 1, - ABORT_BASE_UPDATED = 2 -}; - -#define VFP_REG_NUM 64 -struct ARMul_State -{ - u32 Emulate; // To start and stop emulation - - // Order of the following register should not be modified - u32 Reg[16]; // The current register file - u32 Cpsr; // The current PSR - u32 Spsr_copy; - u32 phys_pc; - u32 Reg_usr[2]; - u32 Reg_svc[2]; // R13_SVC R14_SVC - u32 Reg_abort[2]; // R13_ABORT R14_ABORT - u32 Reg_undef[2]; // R13 UNDEF R14 UNDEF - u32 Reg_irq[2]; // R13_IRQ R14_IRQ - u32 Reg_firq[7]; // R8---R14 FIRQ - u32 Spsr[7]; // The exception psr's - u32 Mode; // The current mode - u32 Bank; // The current register bank - u32 exclusive_tag; // The address for which the local monitor is in exclusive access mode - u32 exclusive_state; - u32 exclusive_result; - u32 CP15[CP15_REGISTER_COUNT]; - - // FPSID, FPSCR, and FPEXC - u32 VFP[VFP_SYSTEM_REGISTER_COUNT]; - // VFPv2 and VFPv3-D16 has 16 doubleword registers (D0-D16 or S0-S31). - // VFPv3-D32/ASIMD may have up to 32 doubleword registers (D0-D31), - // and only 32 singleword registers are accessible (S0-S31). - u32 ExtReg[VFP_REG_NUM]; - /* ---- End of the ordered registers ---- */ - - u32 NFlag, ZFlag, CFlag, VFlag, IFFlags; // Dummy flags for speed - unsigned int shifter_carry_out; - - // Add armv6 flags dyf:2010-08-09 - u32 GEFlag, EFlag, AFlag, QFlag; - - u32 TFlag; // Thumb state - - unsigned long long NumInstrs; // The number of instructions executed - unsigned NumInstrsToExecute; - - unsigned NresetSig; // Reset the processor - unsigned NfiqSig; - unsigned NirqSig; - - unsigned abortSig; - unsigned NtransSig; - unsigned bigendSig; - unsigned syscallSig; - -/* 2004-05-09 chy ----------------------------------------------------------- -read ARM Architecture Reference Manual -2.6.5 Data Abort -There are three Abort Model in ARM arch. - -Early Abort Model: used in some ARMv3 and earlier implementations. In this -model, base register wirteback occurred for LDC,LDM,STC,STM instructions, and -the base register was unchanged for all other instructions. (oldest) - -Base Restored Abort Model: If a Data Abort occurs in an instruction which -specifies base register writeback, the value in the base register is -unchanged. (strongarm, xscale) - -Base Updated Abort Model: If a Data Abort occurs in an instruction which -specifies base register writeback, the base register writeback still occurs. -(arm720T) - -read PART B -chap2 The System Control Coprocessor CP15 -2.4 Register1:control register -L(bit 6): in some ARMv3 and earlier implementations, the abort model of the -processor could be configured: -0=early Abort Model Selected(now obsolete) -1=Late Abort Model selceted(same as Base Updated Abort Model) - -on later processors, this bit reads as 1 and ignores writes. -------------------------------------------------------------- -So, if lateabtSig=1, then it means Late Abort Model(Base Updated Abort Model) - if lateabtSig=0, then it means Base Restored Abort Model -*/ - unsigned lateabtSig; - - // For differentiating ARM core emulaiton. - bool is_v4; // Are we emulating a v4 architecture (or higher)? - bool is_v5; // Are we emulating a v5 architecture? - bool is_v5e; // Are we emulating a v5e architecture? - bool is_v6; // Are we emulating a v6 architecture? - bool is_v7; // Are we emulating a v7 architecture? - - // ARM_ARM A2-18 - // 0 Base Restored Abort Model, 1 the Early Abort Model, 2 Base Updated Abort Model - int abort_model; - - // TODO(bunnei): Move this cache to a better place - it should be per codeset (likely per - // process for our purposes), not per ARMul_State (which tracks CPU core state). - std::unordered_map instruction_cache; -}; - -/***************************************************************************\ -* Types of ARM we know about * -\***************************************************************************/ - -enum { - ARM_v4_Prop = 0x01, - ARM_v5_Prop = 0x02, - ARM_v5e_Prop = 0x04, - ARM_v6_Prop = 0x08, - ARM_v7_Prop = 0x10, -}; - -/***************************************************************************\ -* The hardware vector addresses * -\***************************************************************************/ - -enum { - ARMResetV = 0, - ARMUndefinedInstrV = 4, - ARMSWIV = 8, - ARMPrefetchAbortV = 12, - ARMDataAbortV = 16, - ARMAddrExceptnV = 20, - ARMIRQV = 24, - ARMFIQV = 28, - ARMErrorV = 32, // This is an offset, not an address! - - ARMul_ResetV = ARMResetV, - ARMul_UndefinedInstrV = ARMUndefinedInstrV, - ARMul_SWIV = ARMSWIV, - ARMul_PrefetchAbortV = ARMPrefetchAbortV, - ARMul_DataAbortV = ARMDataAbortV, - ARMul_AddrExceptnV = ARMAddrExceptnV, - ARMul_IRQV = ARMIRQV, - ARMul_FIQV = ARMFIQV -}; - -/***************************************************************************\ -* Mode and Bank Constants * -\***************************************************************************/ - -enum PrivilegeMode { - USER32MODE = 16, - FIQ32MODE = 17, - IRQ32MODE = 18, - SVC32MODE = 19, - ABORT32MODE = 23, - UNDEF32MODE = 27, - SYSTEM32MODE = 31 -}; - -enum { - USERBANK = 0, - FIQBANK = 1, - IRQBANK = 2, - SVCBANK = 3, - ABORTBANK = 4, - UNDEFBANK = 5, - DUMMYBANK = 6, - SYSTEMBANK = 7 -}; - -/***************************************************************************\ -* Definitions of things in the emulator * -\***************************************************************************/ -void ARMul_Reset(ARMul_State* state); -ARMul_State* ARMul_NewState(ARMul_State* state); - -/***************************************************************************\ -* Definitions of things in the co-processor interface * -\***************************************************************************/ - -enum { - ARMul_FIRST = 0, - ARMul_TRANSFER = 1, - ARMul_BUSY = 2, - ARMul_DATA = 3, - ARMul_INTERRUPT = 4, - ARMul_DONE = 0, - ARMul_CANT = 1, - ARMul_INC = 3 -}; - -/***************************************************************************\ -* Definitions of things in the host environment * -\***************************************************************************/ - -enum ConditionCode { - EQ = 0, - NE = 1, - CS = 2, - CC = 3, - MI = 4, - PL = 5, - VS = 6, - VC = 7, - HI = 8, - LS = 9, - GE = 10, - LT = 11, - GT = 12, - LE = 13, - AL = 14, - NV = 15, -}; - -// Flags for use with the APSR. -enum : u32 { - NBIT = (1U << 31U), - ZBIT = (1 << 30), - CBIT = (1 << 29), - VBIT = (1 << 28), - QBIT = (1 << 27), - JBIT = (1 << 24), - EBIT = (1 << 9), - ABIT = (1 << 8), - IBIT = (1 << 7), - FBIT = (1 << 6), - TBIT = (1 << 5), - - // Masks for groups of bits in the APSR. - MODEBITS = 0x1F, - INTBITS = 0x1C0, -}; - -// Values for Emulate. -enum { - STOP = 0, // Stop - CHANGEMODE = 1, // Change mode - ONCE = 2, // Execute just one iteration - RUN = 3 // Continuous execution -}; diff --git a/src/core/arm/skyeye_common/arminit.cpp b/src/core/arm/skyeye_common/arminit.cpp index 4f7a48fa..4e868f86 100644 --- a/src/core/arm/skyeye_common/arminit.cpp +++ b/src/core/arm/skyeye_common/arminit.cpp @@ -16,7 +16,7 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #include -#include "core/arm/skyeye_common/armdefs.h" +#include "core/arm/skyeye_common/armstate.h" #include "core/arm/skyeye_common/vfp/vfp.h" /***************************************************************************\ diff --git a/src/core/arm/skyeye_common/armmmu.h b/src/core/arm/skyeye_common/armmmu.h index 6aa2e077..5423588c 100644 --- a/src/core/arm/skyeye_common/armmmu.h +++ b/src/core/arm/skyeye_common/armmmu.h @@ -23,7 +23,7 @@ #include "common/swap.h" #include "core/memory.h" -#include "core/arm/skyeye_common/armdefs.h" +#include "core/arm/skyeye_common/armstate.h" #include "core/arm/skyeye_common/armsupp.h" // Register numbers in the MMU diff --git a/src/core/arm/skyeye_common/armstate.h b/src/core/arm/skyeye_common/armstate.h new file mode 100644 index 00000000..f1af0221 --- /dev/null +++ b/src/core/arm/skyeye_common/armstate.h @@ -0,0 +1,279 @@ +/* armdefs.h -- ARMulator common definitions: ARM6 Instruction Emulator. + Copyright (C) 1994 Advanced RISC Machines Ltd. + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ + +#pragma once + +#include + +#include "common/common_types.h" +#include "core/arm/skyeye_common/arm_regformat.h" + +// Signal levels +enum { + LOW = 0, + HIGH = 1, + LOWHIGH = 1, + HIGHLOW = 2 +}; + +// Cache types +enum { + NONCACHE = 0, + DATACACHE = 1, + INSTCACHE = 2, +}; + +// Abort models +enum { + ABORT_BASE_RESTORED = 0, + ABORT_EARLY = 1, + ABORT_BASE_UPDATED = 2 +}; + +#define VFP_REG_NUM 64 +struct ARMul_State +{ + u32 Emulate; // To start and stop emulation + + // Order of the following register should not be modified + u32 Reg[16]; // The current register file + u32 Cpsr; // The current PSR + u32 Spsr_copy; + u32 phys_pc; + u32 Reg_usr[2]; + u32 Reg_svc[2]; // R13_SVC R14_SVC + u32 Reg_abort[2]; // R13_ABORT R14_ABORT + u32 Reg_undef[2]; // R13 UNDEF R14 UNDEF + u32 Reg_irq[2]; // R13_IRQ R14_IRQ + u32 Reg_firq[7]; // R8---R14 FIRQ + u32 Spsr[7]; // The exception psr's + u32 Mode; // The current mode + u32 Bank; // The current register bank + u32 exclusive_tag; // The address for which the local monitor is in exclusive access mode + u32 exclusive_state; + u32 exclusive_result; + u32 CP15[CP15_REGISTER_COUNT]; + + // FPSID, FPSCR, and FPEXC + u32 VFP[VFP_SYSTEM_REGISTER_COUNT]; + // VFPv2 and VFPv3-D16 has 16 doubleword registers (D0-D16 or S0-S31). + // VFPv3-D32/ASIMD may have up to 32 doubleword registers (D0-D31), + // and only 32 singleword registers are accessible (S0-S31). + u32 ExtReg[VFP_REG_NUM]; + /* ---- End of the ordered registers ---- */ + + u32 NFlag, ZFlag, CFlag, VFlag, IFFlags; // Dummy flags for speed + unsigned int shifter_carry_out; + + // Add armv6 flags dyf:2010-08-09 + u32 GEFlag, EFlag, AFlag, QFlag; + + u32 TFlag; // Thumb state + + unsigned long long NumInstrs; // The number of instructions executed + unsigned NumInstrsToExecute; + + unsigned NresetSig; // Reset the processor + unsigned NfiqSig; + unsigned NirqSig; + + unsigned abortSig; + unsigned NtransSig; + unsigned bigendSig; + unsigned syscallSig; + +/* 2004-05-09 chy +---------------------------------------------------------- +read ARM Architecture Reference Manual +2.6.5 Data Abort +There are three Abort Model in ARM arch. + +Early Abort Model: used in some ARMv3 and earlier implementations. In this +model, base register wirteback occurred for LDC,LDM,STC,STM instructions, and +the base register was unchanged for all other instructions. (oldest) + +Base Restored Abort Model: If a Data Abort occurs in an instruction which +specifies base register writeback, the value in the base register is +unchanged. (strongarm, xscale) + +Base Updated Abort Model: If a Data Abort occurs in an instruction which +specifies base register writeback, the base register writeback still occurs. +(arm720T) + +read PART B +chap2 The System Control Coprocessor CP15 +2.4 Register1:control register +L(bit 6): in some ARMv3 and earlier implementations, the abort model of the +processor could be configured: +0=early Abort Model Selected(now obsolete) +1=Late Abort Model selceted(same as Base Updated Abort Model) + +on later processors, this bit reads as 1 and ignores writes. +------------------------------------------------------------- +So, if lateabtSig=1, then it means Late Abort Model(Base Updated Abort Model) + if lateabtSig=0, then it means Base Restored Abort Model +*/ + unsigned lateabtSig; + + // For differentiating ARM core emulaiton. + bool is_v4; // Are we emulating a v4 architecture (or higher)? + bool is_v5; // Are we emulating a v5 architecture? + bool is_v5e; // Are we emulating a v5e architecture? + bool is_v6; // Are we emulating a v6 architecture? + bool is_v7; // Are we emulating a v7 architecture? + + // ARM_ARM A2-18 + // 0 Base Restored Abort Model, 1 the Early Abort Model, 2 Base Updated Abort Model + int abort_model; + + // TODO(bunnei): Move this cache to a better place - it should be per codeset (likely per + // process for our purposes), not per ARMul_State (which tracks CPU core state). + std::unordered_map instruction_cache; +}; + +/***************************************************************************\ +* Types of ARM we know about * +\***************************************************************************/ + +enum { + ARM_v4_Prop = 0x01, + ARM_v5_Prop = 0x02, + ARM_v5e_Prop = 0x04, + ARM_v6_Prop = 0x08, + ARM_v7_Prop = 0x10, +}; + +/***************************************************************************\ +* The hardware vector addresses * +\***************************************************************************/ + +enum { + ARMResetV = 0, + ARMUndefinedInstrV = 4, + ARMSWIV = 8, + ARMPrefetchAbortV = 12, + ARMDataAbortV = 16, + ARMAddrExceptnV = 20, + ARMIRQV = 24, + ARMFIQV = 28, + ARMErrorV = 32, // This is an offset, not an address! + + ARMul_ResetV = ARMResetV, + ARMul_UndefinedInstrV = ARMUndefinedInstrV, + ARMul_SWIV = ARMSWIV, + ARMul_PrefetchAbortV = ARMPrefetchAbortV, + ARMul_DataAbortV = ARMDataAbortV, + ARMul_AddrExceptnV = ARMAddrExceptnV, + ARMul_IRQV = ARMIRQV, + ARMul_FIQV = ARMFIQV +}; + +/***************************************************************************\ +* Mode and Bank Constants * +\***************************************************************************/ + +enum PrivilegeMode { + USER32MODE = 16, + FIQ32MODE = 17, + IRQ32MODE = 18, + SVC32MODE = 19, + ABORT32MODE = 23, + UNDEF32MODE = 27, + SYSTEM32MODE = 31 +}; + +enum { + USERBANK = 0, + FIQBANK = 1, + IRQBANK = 2, + SVCBANK = 3, + ABORTBANK = 4, + UNDEFBANK = 5, + DUMMYBANK = 6, + SYSTEMBANK = 7 +}; + +/***************************************************************************\ +* Definitions of things in the emulator * +\***************************************************************************/ +void ARMul_Reset(ARMul_State* state); +ARMul_State* ARMul_NewState(ARMul_State* state); + +/***************************************************************************\ +* Definitions of things in the co-processor interface * +\***************************************************************************/ + +enum { + ARMul_FIRST = 0, + ARMul_TRANSFER = 1, + ARMul_BUSY = 2, + ARMul_DATA = 3, + ARMul_INTERRUPT = 4, + ARMul_DONE = 0, + ARMul_CANT = 1, + ARMul_INC = 3 +}; + +/***************************************************************************\ +* Definitions of things in the host environment * +\***************************************************************************/ + +enum ConditionCode { + EQ = 0, + NE = 1, + CS = 2, + CC = 3, + MI = 4, + PL = 5, + VS = 6, + VC = 7, + HI = 8, + LS = 9, + GE = 10, + LT = 11, + GT = 12, + LE = 13, + AL = 14, + NV = 15, +}; + +// Flags for use with the APSR. +enum : u32 { + NBIT = (1U << 31U), + ZBIT = (1 << 30), + CBIT = (1 << 29), + VBIT = (1 << 28), + QBIT = (1 << 27), + JBIT = (1 << 24), + EBIT = (1 << 9), + ABIT = (1 << 8), + IBIT = (1 << 7), + FBIT = (1 << 6), + TBIT = (1 << 5), + + // Masks for groups of bits in the APSR. + MODEBITS = 0x1F, + INTBITS = 0x1C0, +}; + +// Values for Emulate. +enum { + STOP = 0, // Stop + CHANGEMODE = 1, // Change mode + ONCE = 2, // Execute just one iteration + RUN = 3 // Continuous execution +}; diff --git a/src/core/arm/skyeye_common/armsupp.cpp b/src/core/arm/skyeye_common/armsupp.cpp index e1d4509c..affbf193 100644 --- a/src/core/arm/skyeye_common/armsupp.cpp +++ b/src/core/arm/skyeye_common/armsupp.cpp @@ -19,7 +19,7 @@ #include "core/mem_map.h" #include "core/arm/skyeye_common/arm_regformat.h" -#include "core/arm/skyeye_common/armdefs.h" +#include "core/arm/skyeye_common/armstate.h" #include "core/arm/skyeye_common/armsupp.h" // Unsigned sum of absolute difference diff --git a/src/core/arm/skyeye_common/vfp/vfp.cpp b/src/core/arm/skyeye_common/vfp/vfp.cpp index ed9ade88..26f303de 100644 --- a/src/core/arm/skyeye_common/vfp/vfp.cpp +++ b/src/core/arm/skyeye_common/vfp/vfp.cpp @@ -23,7 +23,7 @@ #include "common/common_funcs.h" #include "common/logging/log.h" -#include "core/arm/skyeye_common/armdefs.h" +#include "core/arm/skyeye_common/armstate.h" #include "core/arm/skyeye_common/vfp/asm_vfp.h" #include "core/arm/skyeye_common/vfp/vfp.h" diff --git a/src/core/arm/skyeye_common/vfp/vfp_helper.h b/src/core/arm/skyeye_common/vfp/vfp_helper.h index f318e486..91a8d4d5 100644 --- a/src/core/arm/skyeye_common/vfp/vfp_helper.h +++ b/src/core/arm/skyeye_common/vfp/vfp_helper.h @@ -34,7 +34,7 @@ #include #include "common/common_types.h" -#include "core/arm/skyeye_common/armdefs.h" +#include "core/arm/skyeye_common/armstate.h" #include "core/arm/skyeye_common/vfp/asm_vfp.h" #define do_div(n, base) {n/=base;} diff --git a/src/core/hle/kernel/thread.cpp b/src/core/hle/kernel/thread.cpp index 8b49fc7d..29ea6d53 100644 --- a/src/core/hle/kernel/thread.cpp +++ b/src/core/hle/kernel/thread.cpp @@ -13,7 +13,7 @@ #include "common/thread_queue_list.h" #include "core/arm/arm_interface.h" -#include "core/arm/skyeye_common/armdefs.h" +#include "core/arm/skyeye_common/armstate.h" #include "core/core.h" #include "core/core_timing.h" #include "core/hle/hle.h" -- cgit v1.2.3 From 3257d797e1f981be0fea87942443ff25fe841e03 Mon Sep 17 00:00:00 2001 From: Lioncash Date: Sat, 25 Jul 2015 21:31:47 -0400 Subject: dyncom: Remove unnecessary abort-related cruft Both the MPCore and the ARM9 have the same data abort model (base restored), so differentiating isn't necessary. --- src/core/arm/dyncom/arm_dyncom.cpp | 3 --- src/core/arm/skyeye_common/armstate.h | 46 +---------------------------------- 2 files changed, 1 insertion(+), 48 deletions(-) diff --git a/src/core/arm/dyncom/arm_dyncom.cpp b/src/core/arm/dyncom/arm_dyncom.cpp index 3f93b439..8d4a7dd9 100644 --- a/src/core/arm/dyncom/arm_dyncom.cpp +++ b/src/core/arm/dyncom/arm_dyncom.cpp @@ -23,10 +23,7 @@ ARM_DynCom::ARM_DynCom(PrivilegeMode initial_mode) { ARMul_NewState(state.get()); ARMul_SelectProcessor(state.get(), ARM_v6_Prop | ARM_v5_Prop | ARM_v5e_Prop); - state->abort_model = ABORT_BASE_RESTORED; - state->bigendSig = LOW; - state->lateabtSig = LOW; state->NirqSig = HIGH; // Reset the core to initial state diff --git a/src/core/arm/skyeye_common/armstate.h b/src/core/arm/skyeye_common/armstate.h index f1af0221..0a165bcf 100644 --- a/src/core/arm/skyeye_common/armstate.h +++ b/src/core/arm/skyeye_common/armstate.h @@ -37,13 +37,6 @@ enum { INSTCACHE = 2, }; -// Abort models -enum { - ABORT_BASE_RESTORED = 0, - ABORT_EARLY = 1, - ABORT_BASE_UPDATED = 2 -}; - #define VFP_REG_NUM 64 struct ARMul_State { @@ -96,50 +89,13 @@ struct ARMul_State unsigned bigendSig; unsigned syscallSig; -/* 2004-05-09 chy ----------------------------------------------------------- -read ARM Architecture Reference Manual -2.6.5 Data Abort -There are three Abort Model in ARM arch. - -Early Abort Model: used in some ARMv3 and earlier implementations. In this -model, base register wirteback occurred for LDC,LDM,STC,STM instructions, and -the base register was unchanged for all other instructions. (oldest) - -Base Restored Abort Model: If a Data Abort occurs in an instruction which -specifies base register writeback, the value in the base register is -unchanged. (strongarm, xscale) - -Base Updated Abort Model: If a Data Abort occurs in an instruction which -specifies base register writeback, the base register writeback still occurs. -(arm720T) - -read PART B -chap2 The System Control Coprocessor CP15 -2.4 Register1:control register -L(bit 6): in some ARMv3 and earlier implementations, the abort model of the -processor could be configured: -0=early Abort Model Selected(now obsolete) -1=Late Abort Model selceted(same as Base Updated Abort Model) - -on later processors, this bit reads as 1 and ignores writes. -------------------------------------------------------------- -So, if lateabtSig=1, then it means Late Abort Model(Base Updated Abort Model) - if lateabtSig=0, then it means Base Restored Abort Model -*/ - unsigned lateabtSig; - - // For differentiating ARM core emulaiton. + // For differentiating ARM core emulation. bool is_v4; // Are we emulating a v4 architecture (or higher)? bool is_v5; // Are we emulating a v5 architecture? bool is_v5e; // Are we emulating a v5e architecture? bool is_v6; // Are we emulating a v6 architecture? bool is_v7; // Are we emulating a v7 architecture? - // ARM_ARM A2-18 - // 0 Base Restored Abort Model, 1 the Early Abort Model, 2 Base Updated Abort Model - int abort_model; - // TODO(bunnei): Move this cache to a better place - it should be per codeset (likely per // process for our purposes), not per ARMul_State (which tracks CPU core state). std::unordered_map instruction_cache; -- cgit v1.2.3 From 03213f893e7f2cbd692144334ac72d9138fd5e70 Mon Sep 17 00:00:00 2001 From: Lioncash Date: Sat, 25 Jul 2015 21:55:52 -0400 Subject: dyncom: Remove unnecessary initialization code. Targeting ARM version variants was only a thing on armemu. The reset routine also does basically the same thing as NewState. --- src/core/arm/dyncom/arm_dyncom.cpp | 7 ------- src/core/arm/skyeye_common/arminit.cpp | 32 ++------------------------------ src/core/arm/skyeye_common/armstate.h | 20 -------------------- src/core/arm/skyeye_common/armsupp.h | 2 -- 4 files changed, 2 insertions(+), 59 deletions(-) diff --git a/src/core/arm/dyncom/arm_dyncom.cpp b/src/core/arm/dyncom/arm_dyncom.cpp index 8d4a7dd9..a51a3acf 100644 --- a/src/core/arm/dyncom/arm_dyncom.cpp +++ b/src/core/arm/dyncom/arm_dyncom.cpp @@ -20,15 +20,8 @@ ARM_DynCom::ARM_DynCom(PrivilegeMode initial_mode) { state = Common::make_unique(); - ARMul_NewState(state.get()); - ARMul_SelectProcessor(state.get(), ARM_v6_Prop | ARM_v5_Prop | ARM_v5e_Prop); - - state->bigendSig = LOW; - state->NirqSig = HIGH; - // Reset the core to initial state ARMul_Reset(state.get()); - state->Emulate = RUN; // Switch to the desired privilege mode. switch_mode(state.get(), initial_mode); diff --git a/src/core/arm/skyeye_common/arminit.cpp b/src/core/arm/skyeye_common/arminit.cpp index 4e868f86..b7c508d7 100644 --- a/src/core/arm/skyeye_common/arminit.cpp +++ b/src/core/arm/skyeye_common/arminit.cpp @@ -19,33 +19,6 @@ #include "core/arm/skyeye_common/armstate.h" #include "core/arm/skyeye_common/vfp/vfp.h" -/***************************************************************************\ -* Returns a new instantiation of the ARMulator's state * -\***************************************************************************/ -ARMul_State* ARMul_NewState(ARMul_State* state) -{ - state->Emulate = RUN; - state->Mode = USER32MODE; - - state->lateabtSig = HIGH; - state->bigendSig = LOW; - - return state; -} - -/***************************************************************************\ -* Call this routine to set ARMulator to model a certain processor * -\***************************************************************************/ - -void ARMul_SelectProcessor(ARMul_State* state, unsigned properties) -{ - state->is_v4 = (properties & (ARM_v4_Prop | ARM_v5_Prop)) != 0; - state->is_v5 = (properties & ARM_v5_Prop) != 0; - state->is_v5e = (properties & ARM_v5e_Prop) != 0; - state->is_v6 = (properties & ARM_v6_Prop) != 0; - state->is_v7 = (properties & ARM_v7_Prop) != 0; -} - // Resets certain MPCore CP15 values to their ARM-defined reset values. static void ResetMPCoreCP15Registers(ARMul_State* cpu) { @@ -104,9 +77,7 @@ static void ResetMPCoreCP15Registers(ARMul_State* cpu) cpu->CP15[CP15_TLB_DEBUG_CONTROL] = 0x00000000; } -/***************************************************************************\ -* Call this routine to set up the initial machine state (or perform a RESET * -\***************************************************************************/ +// Performs a reset void ARMul_Reset(ARMul_State* state) { VFPInit(state); @@ -125,4 +96,5 @@ void ARMul_Reset(ARMul_State* state) state->abortSig = LOW; state->NumInstrs = 0; + state->Emulate = RUN; } diff --git a/src/core/arm/skyeye_common/armstate.h b/src/core/arm/skyeye_common/armstate.h index 0a165bcf..3ba0ba5c 100644 --- a/src/core/arm/skyeye_common/armstate.h +++ b/src/core/arm/skyeye_common/armstate.h @@ -89,30 +89,11 @@ struct ARMul_State unsigned bigendSig; unsigned syscallSig; - // For differentiating ARM core emulation. - bool is_v4; // Are we emulating a v4 architecture (or higher)? - bool is_v5; // Are we emulating a v5 architecture? - bool is_v5e; // Are we emulating a v5e architecture? - bool is_v6; // Are we emulating a v6 architecture? - bool is_v7; // Are we emulating a v7 architecture? - // TODO(bunnei): Move this cache to a better place - it should be per codeset (likely per // process for our purposes), not per ARMul_State (which tracks CPU core state). std::unordered_map instruction_cache; }; -/***************************************************************************\ -* Types of ARM we know about * -\***************************************************************************/ - -enum { - ARM_v4_Prop = 0x01, - ARM_v5_Prop = 0x02, - ARM_v5e_Prop = 0x04, - ARM_v6_Prop = 0x08, - ARM_v7_Prop = 0x10, -}; - /***************************************************************************\ * The hardware vector addresses * \***************************************************************************/ @@ -167,7 +148,6 @@ enum { * Definitions of things in the emulator * \***************************************************************************/ void ARMul_Reset(ARMul_State* state); -ARMul_State* ARMul_NewState(ARMul_State* state); /***************************************************************************\ * Definitions of things in the co-processor interface * diff --git a/src/core/arm/skyeye_common/armsupp.h b/src/core/arm/skyeye_common/armsupp.h index d82b2110..5cf1cd1d 100644 --- a/src/core/arm/skyeye_common/armsupp.h +++ b/src/core/arm/skyeye_common/armsupp.h @@ -17,8 +17,6 @@ struct ARMul_State; bool AddOverflow(u32, u32, u32); bool SubOverflow(u32, u32, u32); -void ARMul_SelectProcessor(ARMul_State*, unsigned); - u32 AddWithCarry(u32, u32, u32, bool*, bool*); bool ARMul_AddOverflowQ(u32, u32); -- cgit v1.2.3