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Place spinlock_enter() and spinlock_exit() just around X86EMU calls.

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This commit is contained in:
jkim 2010-08-10 15:22:48 +00:00
parent f7a0e057bc
commit b25a196078
1 changed files with 4 additions and 4 deletions
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8
sys/compat/x86bios/x86bios.c
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@ -599,12 +599,12 @@ x86bios_call(struct x86regs *regs, uint16_t seg, uint16_t off)
X86BIOS_TRACE(Calling 0x%06x, (seg << 4) + off, regs);
mtx_lock(&x86bios_lock);
spinlock_enter();
memcpy(&x86bios_emu.x86, regs, sizeof(*regs));
x86bios_fault = 0;
spinlock_enter();
x86emu_exec_call(&x86bios_emu, seg, off);
memcpy(regs, &x86bios_emu.x86, sizeof(*regs));
spinlock_exit();
memcpy(regs, &x86bios_emu.x86, sizeof(*regs));
mtx_unlock(&x86bios_lock);
if (x86bios_trace_call) {
@ -637,12 +637,12 @@ x86bios_intr(struct x86regs *regs, int intno)
X86BIOS_TRACE(Calling INT 0x%02x, intno, regs);
mtx_lock(&x86bios_lock);
spinlock_enter();
memcpy(&x86bios_emu.x86, regs, sizeof(*regs));
x86bios_fault = 0;
spinlock_enter();
x86emu_exec_intr(&x86bios_emu, intno);
memcpy(regs, &x86bios_emu.x86, sizeof(*regs));
spinlock_exit();
memcpy(regs, &x86bios_emu.x86, sizeof(*regs));
mtx_unlock(&x86bios_lock);
if (x86bios_trace_int) {