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| author | jkim <jkim@FreeBSD.org> | 2010-08-07 04:05:58 +0000 |
|---|---|---|
| committer | jkim <jkim@FreeBSD.org> | 2010-08-07 04:05:58 +0000 |
| commit | 77b28d0e958d520d6db2d583495f0750b8047675 (patch) | |
| tree | 3f8c8801861c9ac1a6bb260990fc2fcc45dfe9c6 /sys/compat/x86bios | |
| parent | 012f478c8162413e5e8320ff346dfd57a40ca9d1 (diff) | |
| download | FreeBSD-src-77b28d0e958d520d6db2d583495f0750b8047675.zip FreeBSD-src-77b28d0e958d520d6db2d583495f0750b8047675.tar.gz | |
Do not block any I/O port on amd64.
Diffstat (limited to 'sys/compat/x86bios')
| -rw-r--r-- | sys/compat/x86bios/x86bios.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/sys/compat/x86bios/x86bios.c b/sys/compat/x86bios/x86bios.c index b9be658..47c2b97 100644 --- a/sys/compat/x86bios/x86bios.c +++ b/sys/compat/x86bios/x86bios.c @@ -424,10 +424,12 @@ static uint8_t x86bios_emu_inb(struct x86emu *emu, uint16_t port) { +#ifndef X86BIOS_NATIVE_ARCH if (port == 0xb2) /* APM scratch register */ return (0); if (port >= 0x80 && port < 0x88) /* POST status register */ return (0); +#endif return (iodev_read_1(port)); } @@ -437,10 +439,10 @@ x86bios_emu_inw(struct x86emu *emu, uint16_t port) { uint16_t val; +#ifndef X86BIOS_NATIVE_ARCH if (port >= 0x80 && port < 0x88) /* POST status register */ return (0); -#ifndef X86BIOS_NATIVE_ARCH if ((port & 1) != 0) { val = iodev_read_1(port); val |= iodev_read_1(port + 1) << 8; @@ -456,10 +458,10 @@ x86bios_emu_inl(struct x86emu *emu, uint16_t port) { uint32_t val; +#ifndef X86BIOS_NATIVE_ARCH if (port >= 0x80 && port < 0x88) /* POST status register */ return (0); -#ifndef X86BIOS_NATIVE_ARCH if ((port & 1) != 0) { val = iodev_read_1(port); val |= iodev_read_2(port + 1) << 8; @@ -478,10 +480,12 @@ static void x86bios_emu_outb(struct x86emu *emu, uint16_t port, uint8_t val) { +#ifndef X86BIOS_NATIVE_ARCH if (port == 0xb2) /* APM scratch register */ return; if (port >= 0x80 && port < 0x88) /* POST status register */ return; +#endif iodev_write_1(port, val); } @@ -490,10 +494,10 @@ static void x86bios_emu_outw(struct x86emu *emu, uint16_t port, uint16_t val) { +#ifndef X86BIOS_NATIVE_ARCH if (port >= 0x80 && port < 0x88) /* POST status register */ return; -#ifndef X86BIOS_NATIVE_ARCH if ((port & 1) != 0) { iodev_write_1(port, val); iodev_write_1(port + 1, val >> 8); @@ -506,10 +510,10 @@ static void x86bios_emu_outl(struct x86emu *emu, uint16_t port, uint32_t val) { +#ifndef X86BIOS_NATIVE_ARCH if (port >= 0x80 && port < 0x88) /* POST status register */ return; -#ifndef X86BIOS_NATIVE_ARCH if ((port & 1) != 0) { iodev_write_1(port, val); iodev_write_2(port + 1, val >> 8); |
