diff options
| author | Stefan Reinauer <reinauer@chromium.org> | 2012-07-26 15:40:06 -0700 |
|---|---|---|
| committer | Patrick Georgi <patrick@georgi-clan.de> | 2012-08-02 12:36:14 +0200 |
| commit | bbf249649336801517f77d1f76aafeaf20d96180 (patch) | |
| tree | f164b5c356ecc30cb9e6471e164304690e470a9b /src/devices/oprom/x86emu/ops.c | |
| parent | 9fd183efde9b78ba2f2bf1c1922a3968650b3b05 (diff) | |
x86emu: Respect the LEA 67h address size prefix
From
http://cgit.freedesktop.org/xorg/xserver/commit/hw/xfree86/x86emu?id=f57bc0ede8e018c7e264b917927c42a018cd1d5a
Change-Id: Ibdcaa27e936464cec512edb46447aa6284a34975
Signed-off-by: Stefan Reinauer <reinauer@google.com>
Signed-off-by: Christian Zander <chzander@nvidia.com>
Signed-off-by: Aaron Plattner <aplattner@nvidia.com>
Tested-by: Tiago Vignatti <tiago.vignatti@nokia.com>
Signed-off-by: Keith Packard <keithp@keithp.com>
Reviewed-on: http://review.coreboot.org/1364
Tested-by: build bot (Jenkins)
Reviewed-by: Anton Kochkov <anton.kochkov@gmail.com>
Reviewed-by: Patrick Georgi <patrick@georgi-clan.de>
Diffstat (limited to 'src/devices/oprom/x86emu/ops.c')
| -rw-r--r-- | src/devices/oprom/x86emu/ops.c | 30 |
1 files changed, 16 insertions, 14 deletions
diff --git a/src/devices/oprom/x86emu/ops.c b/src/devices/oprom/x86emu/ops.c index 70e048dc2f..6bfc71c08c 100644 --- a/src/devices/oprom/x86emu/ops.c +++ b/src/devices/oprom/x86emu/ops.c @@ -2058,27 +2058,29 @@ Handles opcode 0x8d static void x86emuOp_lea_word_R_M(u8 X86EMU_UNUSED(op1)) { int mod, rl, rh; - u16 *srcreg; uint destoffset; -/* - * TODO: Need to handle address size prefix! - * - * lea eax,[eax+ebx*2] ?? - */ - START_OF_INSTR(); DECODE_PRINTF("LEA\t"); FETCH_DECODE_MODRM(mod, rh, rl); if (mod < 3) { - srcreg = DECODE_RM_WORD_REGISTER(rh); - DECODE_PRINTF(","); - destoffset = decode_rmXX_address(mod, rl); - DECODE_PRINTF("\n"); - TRACE_AND_STEP(); - *srcreg = (u16)destoffset; + if (M.x86.mode & SYSMODE_PREFIX_ADDR) { + u32 *srcreg = DECODE_RM_LONG_REGISTER(rh); + DECODE_PRINTF(","); + destoffset = decode_rmXX_address(mod, rl); + DECODE_PRINTF("\n"); + TRACE_AND_STEP(); + *srcreg = (u32)destoffset; + } else { + u16 *srcreg = DECODE_RM_WORD_REGISTER(rh); + DECODE_PRINTF(","); + destoffset = decode_rmXX_address(mod, rl); + DECODE_PRINTF("\n"); + TRACE_AND_STEP(); + *srcreg = (u16)destoffset; } - /* } else { undefined. Do nothing. } */ + } + /* else { undefined. Do nothing. } */ DECODE_CLEAR_SEGOVR(); END_OF_INSTR(); } |