9ba97f7322
use <machine/efi.h> for the necessary definitions. This makes the EFI code in sys/boot/efi totally unused, except for pure EFI loaders. As such, maintenance and porting (to IA-32) of the EFI code is made as easy as possible.
270 lines
6.4 KiB
C
270 lines
6.4 KiB
C
/*
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* Copyright (c) 2003,2004 Marcel Moolenaar
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <sys/types.h>
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#include <machine/bootinfo.h>
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#include <machine/efi.h>
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#include <stand.h>
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#include "libski.h"
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extern void acpi_root;
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extern void sal_systab;
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extern void acpi_stub_init(void);
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extern void sal_stub_init(void);
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struct efi_cfgtbl efi_cfgtab[] = {
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{ EFI_TABLE_ACPI20, (intptr_t)&acpi_root },
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{ EFI_TABLE_SAL, (intptr_t)&sal_systab }
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};
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static efi_status GetTime(struct efi_tm *, struct efi_tmcap *);
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static efi_status SetTime(struct efi_tm *);
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static efi_status GetWakeupTime(uint8_t *, uint8_t *, struct efi_tm *);
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static efi_status SetWakeupTime(uint8_t, struct efi_tm *);
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static efi_status SetVirtualAddressMap(u_long, u_long, uint32_t,
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struct efi_md*);
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static efi_status ConvertPointer(u_long, void **);
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static efi_status GetVariable(efi_char *, struct uuid *, uint32_t *, u_long *,
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void *);
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static efi_status GetNextVariableName(u_long *, efi_char *, struct uuid *);
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static efi_status SetVariable(efi_char *, struct uuid *, uint32_t, u_long,
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void *);
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static efi_status GetNextHighMonotonicCount(uint32_t *);
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static efi_status ResetSystem(enum efi_reset, efi_status, u_long, efi_char *);
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struct efi_rt efi_rttab = {
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/* Header. */
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{ 0, /* XXX Signature */
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0, /* XXX Revision */
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0, /* XXX HeaderSize */
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0, /* XXX CRC32 */
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},
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/* Time services */
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GetTime,
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SetTime,
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GetWakeupTime,
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SetWakeupTime,
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/* Virtual memory services */
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SetVirtualAddressMap,
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ConvertPointer,
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/* Variable services */
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GetVariable,
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GetNextVariableName,
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SetVariable,
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/* Misc */
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GetNextHighMonotonicCount,
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ResetSystem
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};
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struct efi_systbl efi_systab = {
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/* Header. */
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{ EFI_SYSTBL_SIG,
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0, /* XXX Revision */
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0, /* XXX HeaderSize */
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0, /* XXX CRC32 */
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},
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/* Firmware info. */
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L"FreeBSD", 0, 0,
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/* Console stuff. */
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NULL, NULL,
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NULL, NULL,
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NULL, NULL,
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/* Services (runtime first). */
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(intptr_t)&efi_rttab,
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NULL,
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/* Configuration tables. */
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sizeof(efi_cfgtab)/sizeof(struct efi_cfgtbl),
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(intptr_t)efi_cfgtab
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};
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static efi_status
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unsupported(const char *func)
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{
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printf("EFI: %s not supported\n", func);
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return ((1UL << 63) + 3);
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}
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static efi_status
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GetTime(struct efi_tm *time, struct efi_tmcap *caps)
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{
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uint32_t comps[8];
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ssc((uint64_t)comps, 0, 0, 0, SSC_GET_RTC);
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time->tm_year = comps[0] + 1900;
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time->tm_mon = comps[1] + 1;
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time->tm_mday = comps[2];
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time->tm_hour = comps[3];
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time->tm_min = comps[4];
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time->tm_sec = comps[5];
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time->__pad1 = time->__pad2 = 0;
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time->tm_nsec = 0;
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time->tm_tz = 0;
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time->tm_dst = 0;
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return (0);
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}
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static efi_status
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SetTime(struct efi_tm *time)
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{
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return (0);
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}
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static efi_status
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GetWakeupTime(uint8_t *enabled, uint8_t *pending, struct efi_tm *time)
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{
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return (unsupported(__func__));
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}
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static efi_status
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SetWakeupTime(uint8_t enable, struct efi_tm *time)
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{
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return (unsupported(__func__));
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}
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static void
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Reloc(void *addr, uint64_t delta)
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{
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uint64_t **fpp = addr;
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*fpp[0] += delta;
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*fpp[1] += delta;
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*fpp += delta >> 3;
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}
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static efi_status
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SetVirtualAddressMap(u_long mapsz, u_long descsz, uint32_t version,
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struct efi_md *memmap)
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{
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uint64_t delta;
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delta = (uintptr_t)memmap->md_virt - memmap->md_phys;
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Reloc(&efi_rttab.rt_gettime, delta);
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Reloc(&efi_rttab.rt_settime, delta);
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return (0); /* Hah... */
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}
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static efi_status
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ConvertPointer(u_long debug, void **addr)
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{
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return (unsupported(__func__));
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}
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static efi_status
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GetVariable(efi_char *name, struct uuid *vendor, uint32_t *attrs,
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u_long *datasz, void *data)
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{
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return (unsupported(__func__));
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}
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static efi_status
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GetNextVariableName(u_long *namesz, efi_char *name, struct uuid *vendor)
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{
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return (unsupported(__func__));
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}
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static efi_status
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SetVariable(efi_char *name, struct uuid *vendor, uint32_t attrs, u_long datasz,
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void *data)
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{
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return (unsupported(__func__));
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}
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static efi_status
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GetNextHighMonotonicCount(uint32_t *high)
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{
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static uint32_t counter = 0;
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*high = counter++;
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return (0);
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}
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static efi_status
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ResetSystem(enum efi_reset type, efi_status status, u_long datasz,
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efi_char *data)
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{
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return (unsupported(__func__));
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}
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int
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ski_init_stubs(struct bootinfo *bi)
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{
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struct efi_md *memp;
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/* Describe the SKI memory map. */
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bi->bi_memmap = (u_int64_t)(bi + 1);
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bi->bi_memmap_size = 4 * sizeof(struct efi_md);
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bi->bi_memdesc_size = sizeof(struct efi_md);
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bi->bi_memdesc_version = 1;
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memp = (struct efi_md *)bi->bi_memmap;
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memp[0].md_type = EFI_MD_TYPE_PALCODE;
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memp[0].md_phys = 0x100000;
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memp[0].md_virt = NULL;
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memp[0].md_pages = (4L*1024*1024)>>12;
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memp[0].md_attr = EFI_MD_ATTR_WB | EFI_MD_ATTR_RT;
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memp[1].md_type = EFI_MD_TYPE_FREE;
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memp[1].md_phys = 5L*1024*1024;
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memp[1].md_virt = NULL;
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memp[1].md_pages = (128L*1024*1024)>>12;
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memp[1].md_attr = EFI_MD_ATTR_WB;
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memp[2].md_type = EFI_MD_TYPE_FREE;
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memp[2].md_phys = 4L*1024*1024*1024;
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memp[2].md_virt = NULL;
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memp[2].md_pages = (64L*1024*1024)>>12;
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memp[2].md_attr = EFI_MD_ATTR_WB;
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memp[3].md_type = EFI_MD_TYPE_IOPORT;
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memp[3].md_phys = 0xffffc000000;
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memp[3].md_virt = NULL;
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memp[3].md_pages = (64L*1024*1024)>>12;
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memp[3].md_attr = EFI_MD_ATTR_UC;
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bi->bi_systab = (u_int64_t)&efi_systab;
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sal_stub_init();
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acpi_stub_init();
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return (0);
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}
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