diff options
author | Richard Henderson <richard.henderson@linaro.org> | 2021-05-14 10:13:33 -0500 |
---|---|---|
committer | Richard Henderson <richard.henderson@linaro.org> | 2021-05-19 12:17:11 -0500 |
commit | 4ea2449b5818a2bb73ea5ac259279e58e4e11a20 (patch) | |
tree | 94edb3737f02fae955e48aef9c61dedd4dde06e0 /target/i386/tcg/misc_helper.c | |
parent | eb26784fe128d1369056bd708c89c2c327b333e9 (diff) |
target/i386: Move invlpg, hlt, monitor, mwait to sysemu
These instructions are all privileged.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20210514151342.384376-42-richard.henderson@linaro.org>
Diffstat (limited to 'target/i386/tcg/misc_helper.c')
-rw-r--r-- | target/i386/tcg/misc_helper.c | 55 |
1 files changed, 1 insertions, 54 deletions
diff --git a/target/i386/tcg/misc_helper.c b/target/i386/tcg/misc_helper.c index 23287b330e..baffa5d7ba 100644 --- a/target/i386/tcg/misc_helper.c +++ b/target/i386/tcg/misc_helper.c @@ -60,14 +60,6 @@ void helper_cpuid(CPUX86State *env) env->regs[R_EDX] = edx; } -void helper_invlpg(CPUX86State *env, target_ulong addr) -{ - X86CPU *cpu = env_archcpu(env); - - cpu_svm_check_intercept_param(env, SVM_EXIT_INVLPG, 0, GETPC()); - tlb_flush_page(CPU(cpu), addr); -} - void helper_rdtsc(CPUX86State *env) { uint64_t val; @@ -101,7 +93,7 @@ void QEMU_NORETURN helper_rdpmc(CPUX86State *env) raise_exception_err(env, EXCP06_ILLOP, 0); } -static void QEMU_NORETURN do_pause(CPUX86State *env) +void QEMU_NORETURN do_pause(CPUX86State *env) { CPUState *cs = env_cpu(env); @@ -110,51 +102,6 @@ static void QEMU_NORETURN do_pause(CPUX86State *env) cpu_loop_exit(cs); } -static void QEMU_NORETURN do_hlt(CPUX86State *env) -{ - CPUState *cs = env_cpu(env); - - env->hflags &= ~HF_INHIBIT_IRQ_MASK; /* needed if sti is just before */ - cs->halted = 1; - cs->exception_index = EXCP_HLT; - cpu_loop_exit(cs); -} - -void QEMU_NORETURN helper_hlt(CPUX86State *env, int next_eip_addend) -{ - cpu_svm_check_intercept_param(env, SVM_EXIT_HLT, 0, GETPC()); - env->eip += next_eip_addend; - - do_hlt(env); -} - -void helper_monitor(CPUX86State *env, target_ulong ptr) -{ - if ((uint32_t)env->regs[R_ECX] != 0) { - raise_exception_ra(env, EXCP0D_GPF, GETPC()); - } - /* XXX: store address? */ - cpu_svm_check_intercept_param(env, SVM_EXIT_MONITOR, 0, GETPC()); -} - -void QEMU_NORETURN helper_mwait(CPUX86State *env, int next_eip_addend) -{ - CPUState *cs = env_cpu(env); - - if ((uint32_t)env->regs[R_ECX] != 0) { - raise_exception_ra(env, EXCP0D_GPF, GETPC()); - } - cpu_svm_check_intercept_param(env, SVM_EXIT_MWAIT, 0, GETPC()); - env->eip += next_eip_addend; - - /* XXX: not complete but not completely erroneous */ - if (cs->cpu_index != 0 || CPU_NEXT(cs) != NULL) { - do_pause(env); - } else { - do_hlt(env); - } -} - void QEMU_NORETURN helper_pause(CPUX86State *env, int next_eip_addend) { cpu_svm_check_intercept_param(env, SVM_EXIT_PAUSE, 0, GETPC()); |