selfboot.c File Reference

#include <commonlib/bsd/compression.h>
#include <commonlib/endian.h>
#include <console/console.h>
#include <string.h>
#include <symbols.h>
#include <cbfs.h>
#include <lib.h>
#include <bootmem.h>
#include <program_loading.h>
#include <timestamp.h>
#include <cbmem.h>
#include <types.h>

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Typedefs
typedef int(*	checker_t) (struct cbfs_payload_segment *cbfssegs, void *args)

Functions
static void	cbfs_decode_payload_segment (struct cbfs_payload_segment *segment, const struct cbfs_payload_segment *src)
static int	segment_targets_type (void *dest, unsigned long memsz, enum bootmem_type dest_type)
static int	load_one_segment (uint8_t *dest, uint8_t *src, size_t len, size_t memsz, uint32_t compression, int flags)
static int	last_loadable_segment (struct cbfs_payload_segment *seg)
static int	check_payload_segments (struct cbfs_payload_segment *cbfssegs, enum bootmem_type dest_type)
static int	load_payload_segments (struct cbfs_payload_segment *cbfssegs, uintptr_t *entry)
__weak int	payload_arch_usable_ram_quirk (uint64_t start, uint64_t size)
bool	selfload_mapped (struct prog *payload, void *mapping, enum bootmem_type dest_type)
bool	selfload_check (struct prog *payload, enum bootmem_type dest_type)
bool	selfload (struct prog *payload)

Typedef Documentation

checker_t

typedef int(* checker_t) (struct cbfs_payload_segment *cbfssegs, void *args)

Definition at line 17 of file selfboot.c.

Function Documentation

cbfs_decode_payload_segment()

static void cbfs_decode_payload_segment ( struct cbfs_payload_segment *  segment, const struct cbfs_payload_segment *  src  )

static

Definition at line 22 of file selfboot.c.

References cbfs_payload_segment::compression, cbfs_payload_segment::len, cbfs_payload_segment::load_addr, cbfs_payload_segment::mem_len, cbfs_payload_segment::offset, read_be32(), read_be64(), and cbfs_payload_segment::type.

Referenced by check_payload_segments(), and load_payload_segments().

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check_payload_segments()

static int check_payload_segments ( struct cbfs_payload_segment *  cbfssegs, enum bootmem_type  dest_type  )

static

Definition at line 135 of file selfboot.c.

References BIOS_DEBUG, BM_MEM_INVALID, cbfs_decode_payload_segment(), cbfs_payload_segment::load_addr, cbfs_payload_segment::mem_len, PAYLOAD_SEGMENT_ENTRY, printk, segment_targets_type(), and cbfs_payload_segment::type.

Referenced by selfload_mapped().

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last_loadable_segment()

static int last_loadable_segment ( struct cbfs_payload_segment *  seg )

static

Definition at line 130 of file selfboot.c.

References PAYLOAD_SEGMENT_ENTRY, read_be32(), and type.

Referenced by load_payload_segments().

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load_one_segment()

static int load_one_segment ( uint8_t *  dest, uint8_t *  src, size_t  len, size_t  memsz, uint32_t  compression, int  flags  )

static

Definition at line 56 of file selfboot.c.

References BIOS_DEBUG, BIOS_INFO, BIOS_SPEW, CBFS_COMPRESS_LZ4, CBFS_COMPRESS_LZMA, CBFS_COMPRESS_NONE, cbfs_payload_segment::compression, cbfs_payload_segment::len, memcpy(), memset(), printk, prog_segment_loaded(), timestamp_add_now(), TS_ULZ4F_END, TS_ULZ4F_START, TS_ULZMA_END, TS_ULZMA_START, ulz4fn(), and ulzman().

Referenced by load_payload_segments().

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load_payload_segments()

static int load_payload_segments ( struct cbfs_payload_segment *  cbfssegs, uintptr_t *  entry  )

static

Definition at line 159 of file selfboot.c.

References BIOS_DEBUG, BIOS_EMERG, CBFS_COMPRESS_NONE, cbfs_decode_payload_segment(), cbfs_payload_segment::compression, last_loadable_segment(), cbfs_payload_segment::len, cbfs_payload_segment::load_addr, load_one_segment(), cbfs_payload_segment::mem_len, cbfs_payload_segment::offset, PAYLOAD_SEGMENT_BSS, PAYLOAD_SEGMENT_CODE, PAYLOAD_SEGMENT_DATA, PAYLOAD_SEGMENT_ENTRY, printk, SEG_FINAL, and cbfs_payload_segment::type.

Referenced by selfload_mapped().

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payload_arch_usable_ram_quirk()

__weak int payload_arch_usable_ram_quirk	(	uint64_t	start,
		uint64_t	size
	)

Definition at line 232 of file selfboot.c.

Referenced by segment_targets_type().

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segment_targets_type()

static int segment_targets_type ( void *  dest, unsigned long  memsz, enum bootmem_type  dest_type  )

static

Definition at line 33 of file selfboot.c.

References BIOS_ERR, bootmem_dump_ranges(), bootmem_region_targets_type(), ENV_RAMSTAGE, payload_arch_usable_ram_quirk(), and printk.

Referenced by check_payload_segments().

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selfload()

bool selfload

(

struct prog *

payload

)

Definition at line 275 of file selfboot.c.

References BM_MEM_INVALID, and selfload_check().

Referenced by aop_fw_load_reset(), cpucp_fw_load_reset(), and shrm_fw_load_reset().

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selfload_check()

bool selfload_check	(	struct prog *	payload,
		enum bootmem_type	dest_type
	)

Definition at line 259 of file selfboot.c.

References prog::cbfs_type, cbfs_type_map(), CBFS_TYPE_SELF, cbfs_unmap(), NULL, prog_locate_hook(), prog_name(), and selfload_mapped().

Referenced by arch_prog_run(), run_bl31(), and selfload().

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selfload_mapped()

bool selfload_mapped	(	struct prog *	payload,
		void *	mapping,
		enum bootmem_type	dest_type
	)

Definition at line 237 of file selfboot.c.

References BIOS_SPEW, cbmem_find(), CBMEM_ID_CBTABLE, check_payload_segments(), load_payload_segments(), printk, and prog_set_entry().

Referenced by selfload_check().

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