diff options
| author | jkim <jkim@FreeBSD.org> | 2011-03-09 16:16:38 +0000 |
|---|---|---|
| committer | jkim <jkim@FreeBSD.org> | 2011-03-09 16:16:38 +0000 |
| commit | a023421583e2b662f1853031794f5f9eaeb069fb (patch) | |
| tree | b0c6da8c9a6e2da19f910b92c14a064a614bdfd7 /sys/compat/x86bios | |
| parent | 748d7e5e85adf92f206bdc0c2bb1ed5c32d6eb48 (diff) | |
| download | FreeBSD-src-a023421583e2b662f1853031794f5f9eaeb069fb.zip FreeBSD-src-a023421583e2b662f1853031794f5f9eaeb069fb.tar.gz | |
Remove custom interrupt dispatcher. This is a pointless micro-optimization
and it may cause problems if SS and SP are modified by real-mode code.
MFC after: 1 month
Diffstat (limited to 'sys/compat/x86bios')
| -rw-r--r-- | sys/compat/x86bios/x86bios.c | 23 |
1 files changed, 0 insertions, 23 deletions
diff --git a/sys/compat/x86bios/x86bios.c b/sys/compat/x86bios/x86bios.c index 493be05..afa01f4 100644 --- a/sys/compat/x86bios/x86bios.c +++ b/sys/compat/x86bios/x86bios.c @@ -533,25 +533,6 @@ x86bios_emu_outl(struct x86emu *emu, uint16_t port, uint32_t val) iodev_write_4(port, val); } -static void -x86bios_emu_get_intr(struct x86emu *emu, int intno) -{ - uint16_t *sp; - uint32_t iv; - - emu->x86.R_SP -= 6; - - sp = (uint16_t *)((vm_offset_t)x86bios_seg + emu->x86.R_SP); - sp[0] = htole16(emu->x86.R_IP); - sp[1] = htole16(emu->x86.R_CS); - sp[2] = htole16(emu->x86.R_FLG); - - iv = x86bios_get_intr(intno); - emu->x86.R_IP = iv & 0xffff; - emu->x86.R_CS = (iv >> 16) & 0xffff; - emu->x86.R_FLG &= ~(F_IF | F_TF); -} - void * x86bios_alloc(uint32_t *offset, size_t size, int flags) { @@ -764,7 +745,6 @@ fail: static int x86bios_init(void) { - int i; mtx_init(&x86bios_lock, "x86bios lock", NULL, MTX_DEF); @@ -787,9 +767,6 @@ x86bios_init(void) x86bios_emu.emu_outw = x86bios_emu_outw; x86bios_emu.emu_outl = x86bios_emu_outl; - for (i = 0; i < 256; i++) - x86bios_emu._x86emu_intrTab[i] = x86bios_emu_get_intr; - return (0); } |
