diff options
| author |  Lioncash <mathew1800@gmail.com> | 2015-05-31 03:33:07 -0400 |
|---|---|---|
| committer | Lioncash <mathew1800@gmail.com> | 2015-05-31 21:50:18 -0400 |
| commit | b64dea80ce5d1413fb5dfcd94f19e77816b6bdf7 (patch) | |
| tree | 62b07b9fe6400fac6902876cd47c77a796c16c94 /src/core/arm | |
| parent | 595fe49a8f69de5e6c0b6aad3f5a2a2e2b88a23e (diff) | |
arm_dyncom_thumb: Implement REV, REV16, and REVSH.
Diffstat (limited to 'src/core/arm')
| -rw-r--r-- | src/core/arm/dyncom/arm_dyncom_thumb.cpp | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/src/core/arm/dyncom/arm_dyncom_thumb.cpp b/src/core/arm/dyncom/arm_dyncom_thumb.cpp index 2fc8170b..78552293 100644 --- a/src/core/arm/dyncom/arm_dyncom_thumb.cpp +++ b/src/core/arm/dyncom/arm_dyncom_thumb.cpp @@ -274,9 +274,19 @@ tdstate thumb_translate(u32 addr, u32 instr, u32* ainstr, u32* inst_size) { ? 0xE24DDF00 // SUB : 0xE28DDF00) // ADD |(tinstr & 0x007F); // off7 - } else if ((tinstr & 0x0F00) == 0x0e00) + } else if ((tinstr & 0x0F00) == 0x0e00) { *ainstr = 0xEF000000 | 0x180000; // base | BKPT mask - else { + } else if ((tinstr & 0x0F00) == 0x0a00) { + static const ARMword subset[3] = { + 0xE6BF0F30, // REV + 0xE6BF0FB0, // REV16 + 0xE6FF0FB0, // REVSH + }; + + *ainstr = subset[BITS(tinstr, 6, 7)] // base + | (BITS(tinstr, 0, 2) << 12) // Rd + | BITS(tinstr, 3, 5); // Rm + } else { static const ARMword subset[4] = { 0xE92D0000, // STMDB sp!,{rlist} 0xE92D4000, // STMDB sp!,{rlist,lr} |