Don't obtain the HCDP address directly from the bootinfo structure.

Use a function to keep the details at arms length from uart(4).
This commit is contained in:
Marcel Moolenaar 2004-12-08 05:46:54 +00:00
parent 94f5c9cfc0
commit f5929532f1
3 changed files with 13 additions and 3 deletions

View File

@ -31,9 +31,9 @@ __FBSDID("$FreeBSD$");
#include <sys/systm.h>
#include <sys/bus.h>
#include <machine/bootinfo.h>
#include <machine/bus.h>
#include <machine/dig64.h>
#include <machine/md_var.h>
#include <machine/vmparam.h>
#include <dev/uart/uart.h>
@ -60,13 +60,15 @@ uart_cpu_getdev(int devtype, struct uart_devinfo *di)
struct dig64_hcdp_table *tbl;
struct dig64_hcdp_entry *ent;
bus_addr_t addr;
uint64_t hcdp;
unsigned int i;
/*
* Use the DIG64 HCDP table if present.
*/
if (bootinfo.bi_hcdp != 0) {
tbl = (void*)IA64_PHYS_TO_RR7(bootinfo.bi_hcdp);
hcdp = ia64_get_hcdp();
if (hcdp != 0) {
tbl = (void*)IA64_PHYS_TO_RR7(hcdp);
for (i = 0; i < tbl->entries; i++) {
ent = tbl->entry + i;

View File

@ -777,6 +777,13 @@ ia64_init(void)
/* NOTREACHED */
}
uint64_t
ia64_get_hcdp(void)
{
return (bootinfo.bi_hcdp);
}
void
bzero(void *buf, size_t len)
{

View File

@ -78,6 +78,7 @@ int do_ast(struct trapframe *);
void ia32_trap(int, struct trapframe *);
int ia64_count_cpus(void);
void ia64_flush_dirty(struct thread *, struct _special *);
uint64_t ia64_get_hcdp(void);
int ia64_highfp_drop(struct thread *);
int ia64_highfp_save(struct thread *);
void ia64_init(void);