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/*-
* Copyright (c) 2003,2004 Marcel Moolenaar
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/types.h>
#include <machine/bootinfo.h>
#include <machine/efi.h>
#include <stand.h>
#include "libski.h"
extern void acpi_root;
extern void sal_systab;
struct efi_cfgtbl efi_cfgtab[] = {
{ EFI_TABLE_ACPI20, (intptr_t)&acpi_root },
{ EFI_TABLE_SAL, (intptr_t)&sal_systab }
};
static efi_status GetTime(struct efi_tm *, struct efi_tmcap *);
static efi_status SetTime(struct efi_tm *);
static efi_status GetWakeupTime(uint8_t *, uint8_t *, struct efi_tm *);
static efi_status SetWakeupTime(uint8_t, struct efi_tm *);
static efi_status SetVirtualAddressMap(u_long, u_long, uint32_t,
struct efi_md*);
static efi_status ConvertPointer(u_long, void **);
static efi_status GetVariable(efi_char *, struct uuid *, uint32_t *, u_long *,
void *);
static efi_status GetNextVariableName(u_long *, efi_char *, struct uuid *);
static efi_status SetVariable(efi_char *, struct uuid *, uint32_t, u_long,
void *);
static efi_status GetNextHighMonotonicCount(uint32_t *);
static efi_status ResetSystem(enum efi_reset, efi_status, u_long, efi_char *);
struct efi_rt efi_rttab = {
/* Header. */
{ 0, /* XXX Signature */
0, /* XXX Revision */
0, /* XXX HeaderSize */
0, /* XXX CRC32 */
},
/* Time services */
GetTime,
SetTime,
GetWakeupTime,
SetWakeupTime,
/* Virtual memory services */
SetVirtualAddressMap,
ConvertPointer,
/* Variable services */
GetVariable,
GetNextVariableName,
SetVariable,
/* Misc */
GetNextHighMonotonicCount,
ResetSystem
};
struct efi_systbl efi_systab = {
/* Header. */
{ EFI_SYSTBL_SIG,
0, /* XXX Revision */
0, /* XXX HeaderSize */
0, /* XXX CRC32 */
},
/* Firmware info. */
L"FreeBSD", 0, 0,
/* Console stuff. */
NULL, NULL,
NULL, NULL,
NULL, NULL,
/* Services (runtime first). */
(intptr_t)&efi_rttab,
NULL,
/* Configuration tables. */
sizeof(efi_cfgtab)/sizeof(struct efi_cfgtbl),
(intptr_t)efi_cfgtab
};
static efi_status
unsupported(const char *func)
{
printf("EFI: %s not supported\n", func);
return ((1UL << 63) + 3);
}
static efi_status
GetTime(struct efi_tm *time, struct efi_tmcap *caps)
{
uint32_t comps[8];
ssc((uint64_t)comps, 0, 0, 0, SSC_GET_RTC);
time->tm_year = comps[0] + 1900;
time->tm_mon = comps[1] + 1;
time->tm_mday = comps[2];
time->tm_hour = comps[3];
time->tm_min = comps[4];
time->tm_sec = comps[5];
time->__pad1 = time->__pad2 = 0;
time->tm_nsec = 0;
time->tm_tz = 0;
time->tm_dst = 0;
return (0);
}
static efi_status
SetTime(struct efi_tm *time)
{
return (0);
}
static efi_status
GetWakeupTime(uint8_t *enabled, uint8_t *pending, struct efi_tm *time)
{
return (unsupported(__func__));
}
static efi_status
SetWakeupTime(uint8_t enable, struct efi_tm *time)
{
return (unsupported(__func__));
}
static void
Reloc(void *addr, uint64_t delta)
{
uint64_t **fpp = addr;
*fpp[0] += delta;
*fpp[1] += delta;
*fpp += delta >> 3;
}
static efi_status
SetVirtualAddressMap(u_long mapsz, u_long descsz, uint32_t version,
struct efi_md *memmap)
{
uint64_t delta;
delta = (uintptr_t)memmap->md_virt - memmap->md_phys;
Reloc(&efi_rttab.rt_gettime, delta);
Reloc(&efi_rttab.rt_settime, delta);
return (0); /* Hah... */
}
static efi_status
ConvertPointer(u_long debug, void **addr)
{
return (unsupported(__func__));
}
static efi_status
GetVariable(efi_char *name, struct uuid *vendor, uint32_t *attrs,
u_long *datasz, void *data)
{
return (unsupported(__func__));
}
static efi_status
GetNextVariableName(u_long *namesz, efi_char *name, struct uuid *vendor)
{
return (unsupported(__func__));
}
static efi_status
SetVariable(efi_char *name, struct uuid *vendor, uint32_t attrs, u_long datasz,
void *data)
{
return (unsupported(__func__));
}
static efi_status
GetNextHighMonotonicCount(uint32_t *high)
{
static uint32_t counter = 0;
*high = counter++;
return (0);
}
static efi_status
ResetSystem(enum efi_reset type, efi_status status, u_long datasz,
efi_char *data)
{
return (unsupported(__func__));
}
void
efi_stub_init(struct bootinfo *bi)
{
static struct efi_md memmap[4];
/* Describe the SKI memory map. */
bi->bi_memmap = (uintptr_t)(void *)memmap;
bi->bi_memmap_size = sizeof(memmap);
bi->bi_memdesc_size = sizeof(struct efi_md);
bi->bi_memdesc_version = 1;
memmap[0].md_type = EFI_MD_TYPE_PALCODE;
memmap[0].md_phys = 0x100000;
memmap[0].md_virt = NULL;
memmap[0].md_pages = (1L*1024*1024)>>12;
memmap[0].md_attr = EFI_MD_ATTR_WB | EFI_MD_ATTR_RT;
memmap[1].md_type = EFI_MD_TYPE_FREE;
memmap[1].md_phys = 4L*1024*1024;
memmap[1].md_virt = NULL;
memmap[1].md_pages = (128L*1024*1024)>>12;
memmap[1].md_attr = EFI_MD_ATTR_WB;
memmap[2].md_type = EFI_MD_TYPE_FREE;
memmap[2].md_phys = 4L*1024*1024*1024;
memmap[2].md_virt = NULL;
memmap[2].md_pages = (64L*1024*1024)>>12;
memmap[2].md_attr = EFI_MD_ATTR_WB;
memmap[3].md_type = EFI_MD_TYPE_IOPORT;
memmap[3].md_phys = 0xffffc000000;
memmap[3].md_virt = NULL;
memmap[3].md_pages = (64L*1024*1024)>>12;
memmap[3].md_attr = EFI_MD_ATTR_UC;
bi->bi_systab = (u_int64_t)&efi_systab;
}
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