167 lines
5.3 KiB
C
167 lines
5.3 KiB
C
/*-
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* Copyright (c) 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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* $FreeBSD$
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*/
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#ifndef _MACHINE_EFI_H_
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#define _MACHINE_EFI_H_
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#include <sys/uuid.h>
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#define EFI_PAGE_SHIFT 12
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#define EFI_PAGE_SIZE (1 << EFI_PAGE_SHIFT)
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#define EFI_PAGE_MASK (EFI_PAGE_SIZE - 1)
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#define EFI_TABLE_ACPI20 \
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{0x8868e871,0xe4f1,0x11d3,0xbc,0x22,{0x00,0x80,0xc7,0x3c,0x88,0x81}}
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#define EFI_TABLE_SAL \
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{0xeb9d2d32,0x2d88,0x11d3,0x9a,0x16,{0x00,0x90,0x27,0x3f,0xc1,0x4d}}
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enum efi_reset {
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EFI_RESET_COLD,
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EFI_RESET_WARM
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};
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typedef uint16_t efi_char;
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typedef unsigned long efi_status;
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struct efi_cfgtbl {
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struct uuid ct_uuid;
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uint64_t ct_data;
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};
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struct efi_md {
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uint32_t md_type;
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#define EFI_MD_TYPE_NULL 0
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#define EFI_MD_TYPE_CODE 1 /* Loader text. */
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#define EFI_MD_TYPE_DATA 2 /* Loader data. */
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#define EFI_MD_TYPE_BS_CODE 3 /* Boot services text. */
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#define EFI_MD_TYPE_BS_DATA 4 /* Boot services data. */
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#define EFI_MD_TYPE_RT_CODE 5 /* Runtime services text. */
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#define EFI_MD_TYPE_RT_DATA 6 /* Runtime services data. */
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#define EFI_MD_TYPE_FREE 7 /* Unused/free memory. */
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#define EFI_MD_TYPE_BAD 8 /* Bad memory */
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#define EFI_MD_TYPE_RECLAIM 9 /* ACPI reclaimable memory. */
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#define EFI_MD_TYPE_FIRMWARE 10 /* ACPI NV memory */
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#define EFI_MD_TYPE_IOMEM 11 /* Memory-mapped I/O. */
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#define EFI_MD_TYPE_IOPORT 12 /* I/O port space. */
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#define EFI_MD_TYPE_PALCODE 13 /* PAL */
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uint32_t __pad;
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uint64_t md_phys;
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void *md_virt;
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uint64_t md_pages;
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uint64_t md_attr;
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#define EFI_MD_ATTR_UC 0x0000000000000001UL
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#define EFI_MD_ATTR_WC 0x0000000000000002UL
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#define EFI_MD_ATTR_WT 0x0000000000000004UL
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#define EFI_MD_ATTR_WB 0x0000000000000008UL
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#define EFI_MD_ATTR_UCE 0x0000000000000010UL
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#define EFI_MD_ATTR_WP 0x0000000000001000UL
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#define EFI_MD_ATTR_RP 0x0000000000002000UL
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#define EFI_MD_ATTR_XP 0x0000000000004000UL
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#define EFI_MD_ATTR_RT 0x8000000000000000UL
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};
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struct efi_tm {
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uint16_t tm_year; /* 1998 - 20XX */
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uint8_t tm_mon; /* 1 - 12 */
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uint8_t tm_mday; /* 1 - 31 */
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uint8_t tm_hour; /* 0 - 23 */
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uint8_t tm_min; /* 0 - 59 */
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uint8_t tm_sec; /* 0 - 59 */
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uint8_t __pad1;
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uint32_t tm_nsec; /* 0 - 999,999,999 */
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int16_t tm_tz; /* -1440 to 1440 or 2047 */
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uint8_t tm_dst;
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uint8_t __pad2;
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};
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struct efi_tmcap {
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uint32_t tc_res; /* 1e-6 parts per million */
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uint32_t tc_prec; /* hertz */
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uint8_t tc_stz; /* Set clears sub-second time */
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};
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struct efi_tblhdr {
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uint64_t th_sig;
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uint32_t th_rev;
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uint32_t th_hdrsz;
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uint32_t th_crc32;
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uint32_t __res;
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};
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struct efi_rt {
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struct efi_tblhdr rt_hdr;
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efi_status (*rt_gettime)(struct efi_tm *, struct efi_tmcap *);
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efi_status (*rt_settime)(struct efi_tm *);
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efi_status (*rt_getwaketime)(uint8_t *, uint8_t *,
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struct efi_tm *);
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efi_status (*rt_setwaketime)(uint8_t, struct efi_tm *);
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efi_status (*rt_setvirtual)(u_long, u_long, uint32_t,
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struct efi_md *);
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efi_status (*rt_cvtptr)(u_long, void **);
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efi_status (*rt_getvar)(efi_char *, struct uuid *, uint32_t *,
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u_long *, void *);
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efi_status (*rt_scanvar)(u_long *, efi_char *, struct uuid *);
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efi_status (*rt_setvar)(efi_char *, struct uuid *, uint32_t,
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u_long, void *);
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efi_status (*rt_gethicnt)(uint32_t *);
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efi_status (*rt_reset)(enum efi_reset, efi_status, u_long,
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efi_char *);
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};
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struct efi_systbl {
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struct efi_tblhdr st_hdr;
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#define EFI_SYSTBL_SIG 0x5453595320494249UL
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efi_char *st_fwvendor;
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uint32_t st_fwrev;
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uint32_t __pad;
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void *st_cin;
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void *st_cinif;
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void *st_cout;
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void *st_coutif;
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void *st_cerr;
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void *st_cerrif;
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uint64_t st_rt;
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void *st_bs;
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u_long st_entries;
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uint64_t st_cfgtbl;
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};
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void efi_boot_finish(void);
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int efi_boot_minimal(uint64_t);
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void *efi_get_table(struct uuid *);
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void efi_get_time(struct efi_tm *);
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struct efi_md *efi_md_first(void);
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struct efi_md *efi_md_next(struct efi_md *);
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void efi_reset_system(void);
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int efi_set_time(struct efi_tm *);
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int efi_var_get(efi_char *, struct uuid *, uint32_t *, size_t *, void *);
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int efi_var_nextname(size_t *, efi_char *, struct uuid *);
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int efi_var_set(efi_char *, struct uuid *, uint32_t, size_t, void *);
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#endif /* _MACHINE_EFI_H_ */
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