Author: jkim
Date: Wed Aug 25 21:03:50 2010
New Revision: 211824
URL: http://svn.freebsd.org/changeset/base/211824
Log:
Add x86bios_set_intr() to set interrupt vectors for real mode and simplify
x86bios_get_intr() a little.
Modified:
head/sys/compat/x86bios/x86bios.c
head/sys/compat/x86bios/x86bios.h
Modified: head/sys/compat/x86bios/x86bios.c
==============================================================================
--- head/sys/compat/x86bios/x86bios.c Wed Aug 25 20:52:40 2010
(r211823)
+++ head/sys/compat/x86bios/x86bios.c Wed Aug 25 21:03:50 2010
(r211824)
@@ -204,6 +204,13 @@ x86bios_get_intr(int intno)
}
void
+x86bios_set_intr(int intno, uint32_t saddr)
+{
+
+ writel(BIOS_PADDRTOVADDR(intno * 4), saddr);
+}
+
+void
x86bios_intr(struct x86regs *regs, int intno)
{
struct vm86frame vmf;
@@ -619,11 +626,15 @@ x86bios_call(struct x86regs *regs, uint1
uint32_t
x86bios_get_intr(int intno)
{
- uint32_t *iv;
- iv = (uint32_t *)((vm_offset_t)x86bios_ivt + intno * 4);
+ return (le32toh(*((uint32_t *)x86bios_ivt + intno)));
+}
+
+void
+x86bios_set_intr(int intno, uint32_t saddr)
+{
- return (le32toh(*iv));
+ *((uint32_t *)x86bios_ivt + intno) = htole32(saddr);
}
void
Modified: head/sys/compat/x86bios/x86bios.h
==============================================================================
--- head/sys/compat/x86bios/x86bios.h Wed Aug 25 20:52:40 2010
(r211823)
+++ head/sys/compat/x86bios/x86bios.h Wed Aug 25 21:03:50 2010
(r211824)
@@ -151,6 +151,7 @@ void x86bios_init_regs(struct x86regs *
void x86bios_intr(struct x86regs *regs, int intno);
int x86bios_match_device(uint32_t offset, device_t dev);
void *x86bios_offset(uint32_t offset);
+void x86bios_set_intr(int intno, uint32_t saddr);
__END_DECLS
#endif /* !_X86BIOS_H_ */
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