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Add implementations of readx() and writex().

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This commit is contained in:
Doug Rabson 2001-09-22 19:51:18 +00:00
parent 137fd2af89
commit 23a7118905
1 changed files with 33 additions and 6 deletions
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39
sys/ia64/include/cpufunc.h
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@ -54,6 +54,12 @@ ia64_port_address(u_int port)
| (port & ((1 << 12) - 1)));
}
static __inline volatile void *
ia64_memory_address(u_int addr)
{
return (volatile void *) IA64_PHYS_TO_RR6(addr);;
}
static __inline u_int8_t
inb(u_int port)
{
@ -162,37 +168,58 @@ outsl(u_int port, const void *addr, size_t count)
static __inline u_int8_t
readb(u_int addr)
{
return 0; /* TODO: implement this */
volatile u_int8_t *p = ia64_memory_address(addr);
u_int8_t v = *p;
ia64_mf_a();
ia64_mf();
return v;
}
static __inline u_int16_t
readw(u_int addr)
{
return 0; /* TODO: implement this */
volatile u_int16_t *p = ia64_memory_address(addr);
u_int16_t v = *p;
ia64_mf_a();
ia64_mf();
return v;
}
static __inline u_int32_t
readl(u_int addr)
{
return 0; /* TODO: implement this */
volatile u_int32_t *p = ia64_memory_address(addr);
u_int32_t v = *p;
ia64_mf_a();
ia64_mf();
return v;
}
static __inline void
writeb(u_int addr, u_int8_t data)
{
return; /* TODO: implement this */
volatile u_int8_t *p = ia64_memory_address(addr);
*p = data;
ia64_mf_a();
ia64_mf();
}
static __inline void
writew(u_int addr, u_int16_t data)
{
return; /* TODO: implement this */
volatile u_int16_t *p = ia64_memory_address(addr);
*p = data;
ia64_mf_a();
ia64_mf();
}
static __inline void
writel(u_int addr, u_int32_t data)
{
return; /* TODO: implement this */
volatile u_int32_t *p = ia64_memory_address(addr);
*p = data;
ia64_mf_a();
ia64_mf();
}
static __inline void