0e73a61997
machine independent parts of the existing code to a new file that can be shared between amd64 and arm64. Reviewed by: kib (previous version), imp Sponsored by: DARPA, AFRL Differential Revision: https://reviews.freebsd.org/D12434
193 lines
6.0 KiB
C
193 lines
6.0 KiB
C
/*-
|
|
* Copyright (c) 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.
|
|
*
|
|
* $FreeBSD$
|
|
*/
|
|
|
|
#ifndef _SYS_EFI_H_
|
|
#define _SYS_EFI_H_
|
|
|
|
#include <sys/uuid.h>
|
|
#include <machine/efi.h>
|
|
|
|
#define EFI_PAGE_SHIFT 12
|
|
#define EFI_PAGE_SIZE (1 << EFI_PAGE_SHIFT)
|
|
#define EFI_PAGE_MASK (EFI_PAGE_SIZE - 1)
|
|
|
|
#define EFI_TABLE_ACPI20 \
|
|
{0x8868e871,0xe4f1,0x11d3,0xbc,0x22,{0x00,0x80,0xc7,0x3c,0x88,0x81}}
|
|
#define EFI_TABLE_SAL \
|
|
{0xeb9d2d32,0x2d88,0x11d3,0x9a,0x16,{0x00,0x90,0x27,0x3f,0xc1,0x4d}}
|
|
|
|
enum efi_reset {
|
|
EFI_RESET_COLD,
|
|
EFI_RESET_WARM
|
|
};
|
|
|
|
typedef uint16_t efi_char;
|
|
typedef unsigned long efi_status;
|
|
|
|
struct efi_cfgtbl {
|
|
struct uuid ct_uuid;
|
|
uint64_t ct_data;
|
|
};
|
|
|
|
struct efi_md {
|
|
uint32_t md_type;
|
|
#define EFI_MD_TYPE_NULL 0
|
|
#define EFI_MD_TYPE_CODE 1 /* Loader text. */
|
|
#define EFI_MD_TYPE_DATA 2 /* Loader data. */
|
|
#define EFI_MD_TYPE_BS_CODE 3 /* Boot services text. */
|
|
#define EFI_MD_TYPE_BS_DATA 4 /* Boot services data. */
|
|
#define EFI_MD_TYPE_RT_CODE 5 /* Runtime services text. */
|
|
#define EFI_MD_TYPE_RT_DATA 6 /* Runtime services data. */
|
|
#define EFI_MD_TYPE_FREE 7 /* Unused/free memory. */
|
|
#define EFI_MD_TYPE_BAD 8 /* Bad memory */
|
|
#define EFI_MD_TYPE_RECLAIM 9 /* ACPI reclaimable memory. */
|
|
#define EFI_MD_TYPE_FIRMWARE 10 /* ACPI NV memory */
|
|
#define EFI_MD_TYPE_IOMEM 11 /* Memory-mapped I/O. */
|
|
#define EFI_MD_TYPE_IOPORT 12 /* I/O port space. */
|
|
#define EFI_MD_TYPE_PALCODE 13 /* PAL */
|
|
#define EFI_MD_TYPE_PERSISTENT 14 /* Persistent memory. */
|
|
uint32_t __pad;
|
|
uint64_t md_phys;
|
|
void *md_virt;
|
|
uint64_t md_pages;
|
|
uint64_t md_attr;
|
|
#define EFI_MD_ATTR_UC 0x0000000000000001UL
|
|
#define EFI_MD_ATTR_WC 0x0000000000000002UL
|
|
#define EFI_MD_ATTR_WT 0x0000000000000004UL
|
|
#define EFI_MD_ATTR_WB 0x0000000000000008UL
|
|
#define EFI_MD_ATTR_UCE 0x0000000000000010UL
|
|
#define EFI_MD_ATTR_WP 0x0000000000001000UL
|
|
#define EFI_MD_ATTR_RP 0x0000000000002000UL
|
|
#define EFI_MD_ATTR_XP 0x0000000000004000UL
|
|
#define EFI_MD_ATTR_NV 0x0000000000008000UL
|
|
#define EFI_MD_ATTR_MORE_RELIABLE \
|
|
0x0000000000010000UL
|
|
#define EFI_MD_ATTR_RO 0x0000000000020000UL
|
|
#define EFI_MD_ATTR_RT 0x8000000000000000UL
|
|
};
|
|
|
|
#define efi_next_descriptor(ptr, size) \
|
|
((struct efi_md *)(((uint8_t *)(ptr)) + (size)))
|
|
|
|
struct efi_tm {
|
|
uint16_t tm_year; /* 1998 - 20XX */
|
|
uint8_t tm_mon; /* 1 - 12 */
|
|
uint8_t tm_mday; /* 1 - 31 */
|
|
uint8_t tm_hour; /* 0 - 23 */
|
|
uint8_t tm_min; /* 0 - 59 */
|
|
uint8_t tm_sec; /* 0 - 59 */
|
|
uint8_t __pad1;
|
|
uint32_t tm_nsec; /* 0 - 999,999,999 */
|
|
int16_t tm_tz; /* -1440 to 1440 or 2047 */
|
|
uint8_t tm_dst;
|
|
uint8_t __pad2;
|
|
};
|
|
|
|
struct efi_tmcap {
|
|
uint32_t tc_res; /* 1e-6 parts per million */
|
|
uint32_t tc_prec; /* hertz */
|
|
uint8_t tc_stz; /* Set clears sub-second time */
|
|
};
|
|
|
|
struct efi_tblhdr {
|
|
uint64_t th_sig;
|
|
uint32_t th_rev;
|
|
uint32_t th_hdrsz;
|
|
uint32_t th_crc32;
|
|
uint32_t __res;
|
|
};
|
|
|
|
#ifdef _KERNEL
|
|
|
|
#ifdef EFIABI_ATTR
|
|
struct efi_rt {
|
|
struct efi_tblhdr rt_hdr;
|
|
efi_status (*rt_gettime)(struct efi_tm *, struct efi_tmcap *)
|
|
EFIABI_ATTR;
|
|
efi_status (*rt_settime)(struct efi_tm *) EFIABI_ATTR;
|
|
efi_status (*rt_getwaketime)(uint8_t *, uint8_t *,
|
|
struct efi_tm *) EFIABI_ATTR;
|
|
efi_status (*rt_setwaketime)(uint8_t, struct efi_tm *)
|
|
EFIABI_ATTR;
|
|
efi_status (*rt_setvirtual)(u_long, u_long, uint32_t,
|
|
struct efi_md *) EFIABI_ATTR;
|
|
efi_status (*rt_cvtptr)(u_long, void **) EFIABI_ATTR;
|
|
efi_status (*rt_getvar)(efi_char *, struct uuid *, uint32_t *,
|
|
u_long *, void *) EFIABI_ATTR;
|
|
efi_status (*rt_scanvar)(u_long *, efi_char *, struct uuid *)
|
|
EFIABI_ATTR;
|
|
efi_status (*rt_setvar)(efi_char *, struct uuid *, uint32_t,
|
|
u_long, void *) EFIABI_ATTR;
|
|
efi_status (*rt_gethicnt)(uint32_t *) EFIABI_ATTR;
|
|
efi_status (*rt_reset)(enum efi_reset, efi_status, u_long,
|
|
efi_char *) EFIABI_ATTR;
|
|
};
|
|
#endif
|
|
|
|
struct efi_systbl {
|
|
struct efi_tblhdr st_hdr;
|
|
#define EFI_SYSTBL_SIG 0x5453595320494249UL
|
|
efi_char *st_fwvendor;
|
|
uint32_t st_fwrev;
|
|
uint32_t __pad;
|
|
void *st_cin;
|
|
void *st_cinif;
|
|
void *st_cout;
|
|
void *st_coutif;
|
|
void *st_cerr;
|
|
void *st_cerrif;
|
|
uint64_t st_rt;
|
|
void *st_bs;
|
|
u_long st_entries;
|
|
uint64_t st_cfgtbl;
|
|
};
|
|
|
|
extern vm_paddr_t efi_systbl_phys;
|
|
|
|
/* Internal MD EFI functions */
|
|
int efi_arch_enter(void);
|
|
void efi_arch_leave(void);
|
|
bool efi_create_1t1_map(struct efi_md *, int, int);
|
|
void efi_destroy_1t1_map(void);
|
|
|
|
/* Public MI EFI functions */
|
|
int efi_rt_ok(void);
|
|
int efi_get_table(struct uuid *uuid, void **ptr);
|
|
int efi_get_time(struct efi_tm *tm);
|
|
int efi_reset_system(void);
|
|
int efi_set_time(struct efi_tm *tm);
|
|
int efi_var_get(uint16_t *name, struct uuid *vendor, uint32_t *attrib,
|
|
size_t *datasize, void *data);
|
|
int efi_var_nextname(size_t *namesize, uint16_t *name, struct uuid *vendor);
|
|
int efi_var_set(uint16_t *name, struct uuid *vendor, uint32_t attrib,
|
|
size_t datasize, void *data);
|
|
|
|
#endif /* _KERNEL */
|
|
|
|
#endif /* _SYS_EFI_H_ */
|