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| author | Richard Henderson <richard.henderson@linaro.org> | 2022-01-07 13:32:28 -0800 |
|---|---|---|
| committer | Laurent Vivier <laurent@vivier.eu> | 2022-01-11 18:40:44 +0100 |
| commit | 1ade5b2fed4966a05cfde6261e4a67c27e715fac (patch) | |
| tree | 648dbfaa65039f11df30f063e943ab9ef69862e9 /linux-user | |
| parent | 0edf34c93ed0cd35be3bb6c67f3044b10dcd29f3 (diff) | |
| download | qemu-1ade5b2fed4966a05cfde6261e4a67c27e715fac.zip qemu-1ade5b2fed4966a05cfde6261e4a67c27e715fac.tar.gz qemu-1ade5b2fed4966a05cfde6261e4a67c27e715fac.tar.bz2 | |
linux-user/i386: Split out maybe_handle_vm86_trap
Reduce the number of ifdefs within cpu_loop().
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220107213243.212806-10-richard.henderson@linaro.org>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Diffstat (limited to 'linux-user')
| -rw-r--r-- | linux-user/i386/cpu_loop.c | 31 |
1 files changed, 15 insertions, 16 deletions
diff --git a/linux-user/i386/cpu_loop.c b/linux-user/i386/cpu_loop.c index 9aaae93..ac0f4e3 100644 --- a/linux-user/i386/cpu_loop.c +++ b/linux-user/i386/cpu_loop.c @@ -198,6 +198,17 @@ static void emulate_vsyscall(CPUX86State *env) } #endif +static bool maybe_handle_vm86_trap(CPUX86State *env, int trapnr) +{ +#ifndef TARGET_X86_64 + if (env->eflags & VM_MASK) { + handle_vm86_trap(env, trapnr); + return true; + } +#endif + return false; +} + void cpu_loop(CPUX86State *env) { CPUState *cs = env_cpu(env); @@ -259,12 +270,9 @@ void cpu_loop(CPUX86State *env) break; case EXCP0D_GPF: /* XXX: potential problem if ABI32 */ -#ifndef TARGET_X86_64 - if (env->eflags & VM_MASK) { - handle_vm86_fault(env); + if (maybe_handle_vm86_trap(env, trapnr)) { break; } -#endif gen_signal(env, TARGET_SIGSEGV, TARGET_SI_KERNEL, 0); break; case EXCP0E_PAGE: @@ -274,22 +282,16 @@ void cpu_loop(CPUX86State *env) env->cr[2]); break; case EXCP00_DIVZ: -#ifndef TARGET_X86_64 - if (env->eflags & VM_MASK) { - handle_vm86_trap(env, trapnr); + if (maybe_handle_vm86_trap(env, trapnr)) { break; } -#endif gen_signal(env, TARGET_SIGFPE, TARGET_FPE_INTDIV, env->eip); break; case EXCP01_DB: case EXCP03_INT3: -#ifndef TARGET_X86_64 - if (env->eflags & VM_MASK) { - handle_vm86_trap(env, trapnr); + if (maybe_handle_vm86_trap(env, trapnr)) { break; } -#endif if (trapnr == EXCP01_DB) { gen_signal(env, TARGET_SIGTRAP, TARGET_TRAP_BRKPT, env->eip); } else { @@ -298,12 +300,9 @@ void cpu_loop(CPUX86State *env) break; case EXCP04_INTO: case EXCP05_BOUND: -#ifndef TARGET_X86_64 - if (env->eflags & VM_MASK) { - handle_vm86_trap(env, trapnr); + if (maybe_handle_vm86_trap(env, trapnr)) { break; } -#endif gen_signal(env, TARGET_SIGSEGV, TARGET_SI_KERNEL, 0); break; case EXCP06_ILLOP: |