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Fake the EFI runtime call GetTime.

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This commit is contained in:
Doug Rabson 2001-10-04 15:24:52 +00:00
parent eea399e3ac
commit 94d5f4bfd2
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=84474
1 changed files with 45 additions and 1 deletions
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46
sys/ia64/ia64/ski.c
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@ -36,18 +36,45 @@
#include <machine/sal.h>
#include <machine/md_var.h>
struct ssc_time {
int year;
int month;
int day;
int hour;
int minute;
int second;
int msec;
int wday;
};
#define SSC_GET_RTC 65
static u_int64_t
ssc(u_int64_t in0, u_int64_t in1, u_int64_t in2, u_int64_t in3, int which)
{
register u_int64_t ret0 __asm("r8");
__asm __volatile("mov r15=%1\n\t"
"break 0x80001"
: "=r"(ret0)
: "r"(which), "r"(in0), "r"(in1), "r"(in2), "r"(in3));
return ret0;
}
extern u_int64_t ski_fake_pal[]; // *not* a function decl
extern void ia64_ski_init(void);
extern u_int64_t ia64_pal_entry;
static EFI_STATUS ski_fake_efi_proc(void);
static EFI_STATUS ski_fake_efi_get_time(EFI_TIME *time,
EFI_TIME_CAPABILITIES *caps);
static EFI_RUNTIME_SERVICES ski_fake_efi = {
{ EFI_RUNTIME_SERVICES_SIGNATURE,
EFI_RUNTIME_SERVICES_REVISION,
0, 0, 0 },
(EFI_GET_TIME) ski_fake_efi_proc,
(EFI_GET_TIME) ski_fake_efi_get_time,
(EFI_SET_TIME) ski_fake_efi_proc,
(EFI_GET_WAKEUP_TIME) ski_fake_efi_proc,
(EFI_SET_WAKEUP_TIME) ski_fake_efi_proc,
@ -63,6 +90,23 @@ static EFI_RUNTIME_SERVICES ski_fake_efi = {
(EFI_RESET_SYSTEM) ski_fake_efi_proc
};
static EFI_STATUS
ski_fake_efi_get_time(EFI_TIME *time, EFI_TIME_CAPABILITIES *caps)
{
struct ssc_time ssctime;
ssc(ia64_tpa((vm_offset_t) &ssctime), 0, 0, 0, SSC_GET_RTC);
time->Second = ssctime.second;
time->Minute = ssctime.minute;
time->Hour = ssctime.hour;
time->Day = ssctime.day;
time->Month = ssctime.month + 1;
time->Year = ssctime.year + 1900;
return EFI_SUCCESS;
}
static EFI_STATUS
ski_fake_efi_proc(void)
{