e688df6bc4
This cleanup makes the number of objects depending on qapi/error.h
drop from 1910 (out of 4743) to 1612 in my "build everything" tree.
While there, separate #include from file comment with a blank line,
and drop a useless comment on why qemu/osdep.h is included first.
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20180201111846.21846-5-armbru@redhat.com>
[Semantic conflict with commit 34e304e975 resolved, OSX breakage fixed]
114 lines
3.7 KiB
C
114 lines
3.7 KiB
C
/*
|
|
* This work is licensed under the terms of the GNU GPL, version 2 or later.
|
|
* See the COPYING file in the top-level directory.
|
|
*/
|
|
#include "qemu/osdep.h"
|
|
|
|
#include "qemu-common.h"
|
|
#include "cpu.h"
|
|
|
|
void x86_cpu_xsave_all_areas(X86CPU *cpu, X86XSaveArea *buf)
|
|
{
|
|
CPUX86State *env = &cpu->env;
|
|
X86XSaveArea *xsave = buf;
|
|
|
|
uint16_t cwd, swd, twd;
|
|
int i;
|
|
memset(xsave, 0, sizeof(X86XSaveArea));
|
|
twd = 0;
|
|
swd = env->fpus & ~(7 << 11);
|
|
swd |= (env->fpstt & 7) << 11;
|
|
cwd = env->fpuc;
|
|
for (i = 0; i < 8; ++i) {
|
|
twd |= (!env->fptags[i]) << i;
|
|
}
|
|
xsave->legacy.fcw = cwd;
|
|
xsave->legacy.fsw = swd;
|
|
xsave->legacy.ftw = twd;
|
|
xsave->legacy.fpop = env->fpop;
|
|
xsave->legacy.fpip = env->fpip;
|
|
xsave->legacy.fpdp = env->fpdp;
|
|
memcpy(&xsave->legacy.fpregs, env->fpregs,
|
|
sizeof env->fpregs);
|
|
xsave->legacy.mxcsr = env->mxcsr;
|
|
xsave->header.xstate_bv = env->xstate_bv;
|
|
memcpy(&xsave->bndreg_state.bnd_regs, env->bnd_regs,
|
|
sizeof env->bnd_regs);
|
|
xsave->bndcsr_state.bndcsr = env->bndcs_regs;
|
|
memcpy(&xsave->opmask_state.opmask_regs, env->opmask_regs,
|
|
sizeof env->opmask_regs);
|
|
|
|
for (i = 0; i < CPU_NB_REGS; i++) {
|
|
uint8_t *xmm = xsave->legacy.xmm_regs[i];
|
|
uint8_t *ymmh = xsave->avx_state.ymmh[i];
|
|
uint8_t *zmmh = xsave->zmm_hi256_state.zmm_hi256[i];
|
|
stq_p(xmm, env->xmm_regs[i].ZMM_Q(0));
|
|
stq_p(xmm+8, env->xmm_regs[i].ZMM_Q(1));
|
|
stq_p(ymmh, env->xmm_regs[i].ZMM_Q(2));
|
|
stq_p(ymmh+8, env->xmm_regs[i].ZMM_Q(3));
|
|
stq_p(zmmh, env->xmm_regs[i].ZMM_Q(4));
|
|
stq_p(zmmh+8, env->xmm_regs[i].ZMM_Q(5));
|
|
stq_p(zmmh+16, env->xmm_regs[i].ZMM_Q(6));
|
|
stq_p(zmmh+24, env->xmm_regs[i].ZMM_Q(7));
|
|
}
|
|
|
|
#ifdef TARGET_X86_64
|
|
memcpy(&xsave->hi16_zmm_state.hi16_zmm, &env->xmm_regs[16],
|
|
16 * sizeof env->xmm_regs[16]);
|
|
memcpy(&xsave->pkru_state, &env->pkru, sizeof env->pkru);
|
|
#endif
|
|
|
|
}
|
|
|
|
void x86_cpu_xrstor_all_areas(X86CPU *cpu, const X86XSaveArea *buf)
|
|
{
|
|
|
|
CPUX86State *env = &cpu->env;
|
|
const X86XSaveArea *xsave = buf;
|
|
|
|
int i;
|
|
uint16_t cwd, swd, twd;
|
|
cwd = xsave->legacy.fcw;
|
|
swd = xsave->legacy.fsw;
|
|
twd = xsave->legacy.ftw;
|
|
env->fpop = xsave->legacy.fpop;
|
|
env->fpstt = (swd >> 11) & 7;
|
|
env->fpus = swd;
|
|
env->fpuc = cwd;
|
|
for (i = 0; i < 8; ++i) {
|
|
env->fptags[i] = !((twd >> i) & 1);
|
|
}
|
|
env->fpip = xsave->legacy.fpip;
|
|
env->fpdp = xsave->legacy.fpdp;
|
|
env->mxcsr = xsave->legacy.mxcsr;
|
|
memcpy(env->fpregs, &xsave->legacy.fpregs,
|
|
sizeof env->fpregs);
|
|
env->xstate_bv = xsave->header.xstate_bv;
|
|
memcpy(env->bnd_regs, &xsave->bndreg_state.bnd_regs,
|
|
sizeof env->bnd_regs);
|
|
env->bndcs_regs = xsave->bndcsr_state.bndcsr;
|
|
memcpy(env->opmask_regs, &xsave->opmask_state.opmask_regs,
|
|
sizeof env->opmask_regs);
|
|
|
|
for (i = 0; i < CPU_NB_REGS; i++) {
|
|
const uint8_t *xmm = xsave->legacy.xmm_regs[i];
|
|
const uint8_t *ymmh = xsave->avx_state.ymmh[i];
|
|
const uint8_t *zmmh = xsave->zmm_hi256_state.zmm_hi256[i];
|
|
env->xmm_regs[i].ZMM_Q(0) = ldq_p(xmm);
|
|
env->xmm_regs[i].ZMM_Q(1) = ldq_p(xmm+8);
|
|
env->xmm_regs[i].ZMM_Q(2) = ldq_p(ymmh);
|
|
env->xmm_regs[i].ZMM_Q(3) = ldq_p(ymmh+8);
|
|
env->xmm_regs[i].ZMM_Q(4) = ldq_p(zmmh);
|
|
env->xmm_regs[i].ZMM_Q(5) = ldq_p(zmmh+8);
|
|
env->xmm_regs[i].ZMM_Q(6) = ldq_p(zmmh+16);
|
|
env->xmm_regs[i].ZMM_Q(7) = ldq_p(zmmh+24);
|
|
}
|
|
|
|
#ifdef TARGET_X86_64
|
|
memcpy(&env->xmm_regs[16], &xsave->hi16_zmm_state.hi16_zmm,
|
|
16 * sizeof env->xmm_regs[16]);
|
|
memcpy(&env->pkru, &xsave->pkru_state, sizeof env->pkru);
|
|
#endif
|
|
|
|
}
|