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/arm/skyeye_common/armsupp.h | 42 ++++++++++++++++++++++++++++++++++++ 1 file changed, 42 insertions(+) create mode 100644 src/core/arm/skyeye_common/armsupp.h (limited to 'src/core/arm/skyeye_common/armsupp.h') 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