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Respect QEMU ZMM_Q to work on big endian hosts

This commit is contained in:
mio 2022-10-28 17:37:02 +02:00
parent 3c18ddcc41
commit 9c5358c759
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GPG Key ID: DFF27E34A47CB873
1 changed files with 20 additions and 18 deletions
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38
qemu/target/i386/unicorn.c
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@ -289,9 +289,9 @@ static void reg_read(CPUX86State *env, unsigned int regid, void *value,
case UC_X86_REG_XMM6:
case UC_X86_REG_XMM7: {
float64 *dst = (float64 *)value;
XMMReg *reg = (XMMReg *)&env->xmm_regs[regid - UC_X86_REG_XMM0];
dst[0] = reg->_d[0];
dst[1] = reg->_d[1];
ZMMReg *reg = (ZMMReg *)&env->xmm_regs[regid - UC_X86_REG_XMM0];
dst[0] = reg->ZMM_Q(0);
dst[1] = reg->ZMM_Q(1);
return;
}
case UC_X86_REG_ST0:
@ -323,10 +323,10 @@ static void reg_read(CPUX86State *env, unsigned int regid, void *value,
case UC_X86_REG_YMM14:
case UC_X86_REG_YMM15: {
float64 *dst = (float64 *)value;
XMMReg *lo_reg = (XMMReg *)&env->xmm_regs[regid - UC_X86_REG_YMM0];
ZMMReg *lo_reg = (ZMMReg *)&env->xmm_regs[regid - UC_X86_REG_YMM0];
XMMReg *hi_reg = &env->ymmh_regs[regid - UC_X86_REG_YMM0];
dst[0] = lo_reg->_d[0];
dst[1] = lo_reg->_d[1];
dst[0] = lo_reg->ZMM_Q(0);
dst[1] = lo_reg->ZMM_Q(1);
dst[2] = hi_reg->_d[0];
dst[3] = hi_reg->_d[1];
return;
@ -828,9 +828,9 @@ static void reg_read(CPUX86State *env, unsigned int regid, void *value,
case UC_X86_REG_XMM14:
case UC_X86_REG_XMM15: {
float64 *dst = (float64 *)value;
XMMReg *reg = (XMMReg *)&env->xmm_regs[regid - UC_X86_REG_XMM0];
dst[0] = reg->_d[0];
dst[1] = reg->_d[1];
ZMMReg *reg = (ZMMReg *)&env->xmm_regs[regid - UC_X86_REG_XMM0];
dst[0] = reg->ZMM_Q(0);
dst[1] = reg->ZMM_Q(1);
break;
}
case UC_X86_REG_FS_BASE:
@ -896,9 +896,9 @@ static int reg_write(CPUX86State *env, unsigned int regid, const void *value,
case UC_X86_REG_XMM6:
case UC_X86_REG_XMM7: {
float64 *src = (float64 *)value;
XMMReg *reg = (XMMReg *)&env->xmm_regs[regid - UC_X86_REG_XMM0];
reg->_d[0] = src[0];
reg->_d[1] = src[1];
ZMMReg *reg = (ZMMReg *)&env->xmm_regs[regid - UC_X86_REG_XMM0];
reg->ZMM_Q(0) = src[0];
reg->ZMM_Q(1) = src[1];
return 0;
}
case UC_X86_REG_ST0:
@ -930,10 +930,12 @@ static int reg_write(CPUX86State *env, unsigned int regid, const void *value,
case UC_X86_REG_YMM14:
case UC_X86_REG_YMM15: {
float64 *src = (float64 *)value;
XMMReg *lo_reg = (XMMReg *)&env->xmm_regs[regid - UC_X86_REG_YMM0];
ZMMReg *lo_reg = (ZMMReg *)&env->xmm_regs[regid - UC_X86_REG_YMM0];
XMMReg *hi_reg = &env->ymmh_regs[regid - UC_X86_REG_YMM0];
lo_reg->_d[0] = src[0];
lo_reg->_d[1] = src[1];
lo_reg->ZMM_Q(0) = src[0];
lo_reg->ZMM_Q(1) = src[1];
// YMM is not supported by QEMU at all
// As of qemu 5.0.1, ymmh_regs is nowhere used.
hi_reg->_d[0] = src[2];
hi_reg->_d[1] = src[3];
return 0;
@ -1471,9 +1473,9 @@ static int reg_write(CPUX86State *env, unsigned int regid, const void *value,
case UC_X86_REG_XMM14:
case UC_X86_REG_XMM15: {
float64 *src = (float64 *)value;
XMMReg *reg = (XMMReg *)&env->xmm_regs[regid - UC_X86_REG_XMM0];
reg->_d[0] = src[0];
reg->_d[1] = src[1];
ZMMReg *reg = (ZMMReg *)&env->xmm_regs[regid - UC_X86_REG_XMM0];
reg->ZMM_Q(0) = src[0];
reg->ZMM_Q(1) = src[1];
break;
}
case UC_X86_REG_FS_BASE: