diff options
| author | Peter Maydell <peter.maydell@linaro.org> | 2018-01-16 15:45:15 +0000 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2018-01-16 15:45:15 +0000 |
| commit | c1d5b9add7b04661bedef9a3379a8b82547b53db (patch) | |
| tree | 7c064b14e4a3645aedbd7d7f0009b9ee71ad9952 /target/i386/cpu.c | |
| parent | aae39d24a387a273deab3eb930dbf730aa379e22 (diff) | |
| parent | b5976c2e46e86b36b01d8ac380a182e22209a7cd (diff) | |
Merge remote-tracking branch 'remotes/bonzini/tags/for-upstream' into staging
* QemuMutex tracing improvements (Alex)
* ram_addr_t optimization (David)
* SCSI fixes (Fam, Stefan, me)
* do {} while (0) fixes (Eric)
* KVM fix for PMU (Jan)
* memory leak fixes from ASAN (Marc-André)
* migration fix for HPET, icount, loadvm (Maria, Pavel)
* hflags fixes (me, Tao)
* block/iscsi uninitialized variable (Peter L.)
* full support for GMainContexts in character devices (Peter Xu)
* more boot-serial-test (Thomas)
* Memory leak fix (Zhecheng)
# gpg: Signature made Tue 16 Jan 2018 14:15:45 GMT
# gpg: using RSA key 0xBFFBD25F78C7AE83
# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>"
# gpg: aka "Paolo Bonzini <pbonzini@redhat.com>"
# Primary key fingerprint: 46F5 9FBD 57D6 12E7 BFD4 E2F7 7E15 100C CD36 69B1
# Subkey fingerprint: F133 3857 4B66 2389 866C 7682 BFFB D25F 78C7 AE83
* remotes/bonzini/tags/for-upstream: (51 commits)
scripts/analyse-locks-simpletrace.py: script to analyse lock times
util/qemu-thread-*: add qemu_lock, locked and unlock trace events
cpu: flush TB cache when loading VMState
block/iscsi: fix initialization of iTask in iscsi_co_get_block_status
find_ram_offset: Align ram_addr_t allocation on long boundaries
find_ram_offset: Add comments and tracing
cpu_physical_memory_sync_dirty_bitmap: Another alignment fix
checkpatch: Enforce proper do/while (0) style
maint: Fix macros with broken 'do/while(0); ' usage
tests: Avoid 'do/while(false); ' in vhost-user-bridge
chardev: Clean up previous patch indentation
chardev: Use goto/label instead of do/break/while(0)
mips: Tweak location of ';' in macros
net: Drop unusual use of do { } while (0);
irq: fix memory leak
cpus: unify qemu_*_wait_io_event
icount: fixed saving/restoring of icount warp timers
scripts/qemu-gdb/timers.py: new helper to dump timer state
scripts/qemu-gdb: add simple tcg lock status helper
target-i386: update hflags on Hypervisor.framework
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'target/i386/cpu.c')
| -rw-r--r-- | target/i386/cpu.c | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/target/i386/cpu.c b/target/i386/cpu.c index 3818d72831..ad8196b166 100644 --- a/target/i386/cpu.c +++ b/target/i386/cpu.c @@ -4147,6 +4147,48 @@ static void x86_disas_set_info(CPUState *cs, disassemble_info *info) info->cap_insn_split = 8; } +void x86_update_hflags(CPUX86State *env) +{ + uint32_t hflags; +#define HFLAG_COPY_MASK \ + ~( HF_CPL_MASK | HF_PE_MASK | HF_MP_MASK | HF_EM_MASK | \ + HF_TS_MASK | HF_TF_MASK | HF_VM_MASK | HF_IOPL_MASK | \ + HF_OSFXSR_MASK | HF_LMA_MASK | HF_CS32_MASK | \ + HF_SS32_MASK | HF_CS64_MASK | HF_ADDSEG_MASK) + + hflags = env->hflags & HFLAG_COPY_MASK; + hflags |= (env->segs[R_SS].flags >> DESC_DPL_SHIFT) & HF_CPL_MASK; + hflags |= (env->cr[0] & CR0_PE_MASK) << (HF_PE_SHIFT - CR0_PE_SHIFT); + hflags |= (env->cr[0] << (HF_MP_SHIFT - CR0_MP_SHIFT)) & + (HF_MP_MASK | HF_EM_MASK | HF_TS_MASK); + hflags |= (env->eflags & (HF_TF_MASK | HF_VM_MASK | HF_IOPL_MASK)); + + if (env->cr[4] & CR4_OSFXSR_MASK) { + hflags |= HF_OSFXSR_MASK; + } + + if (env->efer & MSR_EFER_LMA) { + hflags |= HF_LMA_MASK; + } + + if ((hflags & HF_LMA_MASK) && (env->segs[R_CS].flags & DESC_L_MASK)) { + hflags |= HF_CS32_MASK | HF_SS32_MASK | HF_CS64_MASK; + } else { + hflags |= (env->segs[R_CS].flags & DESC_B_MASK) >> + (DESC_B_SHIFT - HF_CS32_SHIFT); + hflags |= (env->segs[R_SS].flags & DESC_B_MASK) >> + (DESC_B_SHIFT - HF_SS32_SHIFT); + if (!(env->cr[0] & CR0_PE_MASK) || (env->eflags & VM_MASK) || + !(hflags & HF_CS32_MASK)) { + hflags |= HF_ADDSEG_MASK; + } else { + hflags |= ((env->segs[R_DS].base | env->segs[R_ES].base | + env->segs[R_SS].base) != 0) << HF_ADDSEG_SHIFT; + } + } + env->hflags = hflags; +} + static Property x86_cpu_properties[] = { #ifdef CONFIG_USER_ONLY /* apic_id = 0 by default for *-user, see commit 9886e834 */ |