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Code Issues Releases Activity

Do not block any I/O port on amd64.

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This commit is contained in:
Jung-uk Kim 2010-08-07 04:05:58 +00:00
parent d7a5fb634f
commit a6d613a57f
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=210993
1 changed files with 8 additions and 4 deletions
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12
sys/compat/x86bios/x86bios.c
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@ -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);