diff options
Diffstat (limited to 'src/lib')
| -rw-r--r-- | src/lib/bootmem.c | 18 | ||||
| -rw-r--r-- | src/lib/prog_loaders.c | 2 | ||||
| -rw-r--r-- | src/lib/selfboot.c | 23 |
3 files changed, 19 insertions, 24 deletions
diff --git a/src/lib/bootmem.c b/src/lib/bootmem.c index 2f9b5dc0b1..c804df5973 100644 --- a/src/lib/bootmem.c +++ b/src/lib/bootmem.c @@ -201,33 +201,25 @@ bool bootmem_walk(range_action_t action, void *arg) return false; } -static int bootmem_region_targets_ram(uint64_t start, uint64_t end, - struct memranges *bm) +int bootmem_region_targets_type(uint64_t start, uint64_t size, + enum bootmem_type dest_type) { const struct range_entry *r; + uint64_t end = start + size; - memranges_each_entry(r, bm) { + memranges_each_entry(r, &bootmem) { /* All further bootmem entries are beyond this range. */ if (end <= range_entry_base(r)) break; if (start >= range_entry_base(r) && end <= range_entry_end(r)) { - if (range_entry_tag(r) == BM_MEM_RAM) + if (range_entry_tag(r) == dest_type) return 1; } } return 0; } -/* Common testcase for loading any segments to bootmem. - * Returns 1 if the requested memory range is all tagged as type BM_MEM_RAM. - * Otherwise returns 0. - */ -int bootmem_region_targets_usable_ram(uint64_t start, uint64_t size) -{ - return bootmem_region_targets_ram(start, start + size, &bootmem); -} - void *bootmem_allocate_buffer(size_t size) { const struct range_entry *r; diff --git a/src/lib/prog_loaders.c b/src/lib/prog_loaders.c index ac80a62c9d..70ea7efe66 100644 --- a/src/lib/prog_loaders.c +++ b/src/lib/prog_loaders.c @@ -182,7 +182,7 @@ void payload_load(void) switch (prog_cbfs_type(payload)) { case CBFS_TYPE_SELF: /* Simple ELF */ - selfload_check(payload); + selfload_check(payload, BM_MEM_RAM); break; case CBFS_TYPE_FIT: /* Flattened image tree */ if (IS_ENABLED(CONFIG_PAYLOAD_FIT_SUPPORT)) { diff --git a/src/lib/selfboot.c b/src/lib/selfboot.c index 9c52cd6bef..9aa47413c5 100644 --- a/src/lib/selfboot.c +++ b/src/lib/selfboot.c @@ -30,7 +30,7 @@ #include <cbmem.h> /* The type syntax for C is essentially unparsable. -- Rob Pike */ -typedef int (*checker_t)(struct cbfs_payload_segment *cbfssegs); +typedef int (*checker_t)(struct cbfs_payload_segment *cbfssegs, void *args); /* Decode a serialized cbfs payload segment * from memory into native endianness. @@ -46,10 +46,11 @@ static void cbfs_decode_payload_segment(struct cbfs_payload_segment *segment, segment->mem_len = read_be32(&src->mem_len); } -static int segment_targets_usable_ram(void *dest, unsigned long memsz) +static int segment_targets_type(void *dest, unsigned long memsz, + enum bootmem_type dest_type) { uintptr_t d = (uintptr_t) dest; - if (bootmem_region_targets_usable_ram(d, memsz)) + if (bootmem_region_targets_type(d, memsz, dest_type)) return 1; if (payload_arch_usable_ram_quirk(d, memsz)) @@ -140,11 +141,13 @@ static int last_loadable_segment(struct cbfs_payload_segment *seg) return read_be32(&(seg + 1)->type) == PAYLOAD_SEGMENT_ENTRY; } -static int check_payload_segments(struct cbfs_payload_segment *cbfssegs) +static int check_payload_segments(struct cbfs_payload_segment *cbfssegs, + void *args) { uint8_t *dest; size_t memsz; struct cbfs_payload_segment *first_segment, *seg, segment; + enum bootmem_type dest_type = *(enum bootmem_type *)args; for (first_segment = seg = cbfssegs;; ++seg) { printk(BIOS_DEBUG, "Checking segment from ROM address 0x%p\n", seg); @@ -153,7 +156,7 @@ static int check_payload_segments(struct cbfs_payload_segment *cbfssegs) memsz = segment.mem_len; if (segment.type == PAYLOAD_SEGMENT_ENTRY) break; - if (!segment_targets_usable_ram(dest, memsz)) + if (!segment_targets_type(dest, memsz, dest_type)) return -1; } return 0; @@ -244,7 +247,7 @@ static void *selfprepare(struct prog *payload) return data; } -static bool _selfload(struct prog *payload, checker_t f) +static bool _selfload(struct prog *payload, checker_t f, void *args) { uintptr_t entry = 0; struct cbfs_payload_segment *cbfssegs; @@ -256,7 +259,7 @@ static bool _selfload(struct prog *payload, checker_t f) cbfssegs = &((struct cbfs_payload *)data)->segments; - if (f && f(cbfssegs)) + if (f && f(cbfssegs, args)) goto out; if (load_payload_segments(cbfssegs, &entry)) @@ -275,12 +278,12 @@ out: return false; } -bool selfload_check(struct prog *payload) +bool selfload_check(struct prog *payload, enum bootmem_type dest_type) { - return _selfload(payload, check_payload_segments); + return _selfload(payload, check_payload_segments, &dest_type); } bool selfload(struct prog *payload) { - return _selfload(payload, NULL); + return _selfload(payload, NULL, 0); } |