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| author |   balrog <balrog@c046a42c-6fe2-441c-8c8c-71466251a162> | 2008-09-25 18:16:18 +0000 |
|---|---|---|
| committer | balrog <balrog@c046a42c-6fe2-441c-8c8c-71466251a162> | 2008-09-25 18:16:18 +0000 |
| commit | 2436b61a6b386d712a1813b036921443bd1c5c39 (patch) | |
| tree | 9a4250e083f45b100f741e007f8f02301cbdbcdc /target-i386/machine.c | |
| parent | Core 2 Duo specification (Alexander Graf). (diff) | |
| download | qemu-kvm-2436b61a6b386d712a1813b036921443bd1c5c39.tar.gz qemu-kvm-2436b61a6b386d712a1813b036921443bd1c5c39.tar.bz2 qemu-kvm-2436b61a6b386d712a1813b036921443bd1c5c39.zip | |
SYSENTER/SYSEXIT IA-32e implementation (Alexander Graf).
On Intel CPUs, sysenter and sysexit are valid in 64-bit mode. This patch
makes both 64-bit aware and enables them for Intel CPUs.
Add cpu save/load for 64-bit wide sysenter variables.
Signed-off-by: Alexander Graf <agraf@suse.de>
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5318 c046a42c-6fe2-441c-8c8c-71466251a162
Diffstat (limited to 'target-i386/machine.c')
| -rw-r--r-- | target-i386/machine.c | 17 |
1 files changed, 11 insertions, 6 deletions
diff --git a/target-i386/machine.c b/target-i386/machine.c index 34a0d7654..71311117d 100644 --- a/target-i386/machine.c +++ b/target-i386/machine.c @@ -88,9 +88,9 @@ void cpu_save(QEMUFile *f, void *opaque) cpu_put_seg(f, &env->gdt); cpu_put_seg(f, &env->idt); - qemu_put_be32s(f, &env->sysenter_cs); - qemu_put_be32s(f, &env->sysenter_esp); - qemu_put_be32s(f, &env->sysenter_eip); + qemu_put_betls(f, &env->sysenter_cs); + qemu_put_betls(f, &env->sysenter_esp); + qemu_put_betls(f, &env->sysenter_eip); qemu_put_betls(f, &env->cr[0]); qemu_put_betls(f, &env->cr[2]); @@ -169,7 +169,7 @@ int cpu_load(QEMUFile *f, void *opaque, int version_id) int32_t a20_mask; if (version_id != 3 && version_id != 4 && version_id != 5 - && version_id != 6) + && version_id != 6 && version_id != 7) return -EINVAL; for(i = 0; i < CPU_NB_REGS; i++) qemu_get_betls(f, &env->regs[i]); @@ -244,8 +244,13 @@ int cpu_load(QEMUFile *f, void *opaque, int version_id) cpu_get_seg(f, &env->idt); qemu_get_be32s(f, &env->sysenter_cs); - qemu_get_be32s(f, &env->sysenter_esp); - qemu_get_be32s(f, &env->sysenter_eip); + if (version_id >= 7) { + qemu_get_betls(f, &env->sysenter_esp); + qemu_get_betls(f, &env->sysenter_eip); + } else { + qemu_get_be32s(f, &env->sysenter_esp); + qemu_get_be32s(f, &env->sysenter_eip); + } qemu_get_betls(f, &env->cr[0]); qemu_get_betls(f, &env->cr[2]); |