diff options
author | Simon Glass <sjg@chromium.org> | 2022-01-04 13:51:11 +0300 |
---|---|---|
committer | Heinrich Schuchardt <heinrich.schuchardt@canonical.com> | 2022-01-15 12:57:22 +0300 |
commit | ce1dc0cc17e94a0bf1c17bd1465cb0afd5bfb214 (patch) | |
tree | 037a55ab097ec6cb8d8bc4480337620ba1d2c8bf /cmd | |
parent | 866e2ac5aa4b8a36db5bb4afd8b4e8302029849a (diff) | |
download | u-boot-ce1dc0cc17e94a0bf1c17bd1465cb0afd5bfb214.tar.xz |
x86: efi: Update efi_get_next_mem_desc() to avoid needing a map
At present this function requires a pointer to struct efi_entry_memmap
but the only field used in there is the desc_size. We want to be able
to use it from the app, so update it to use desc_size directly.
Signed-off-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'cmd')
-rw-r--r-- | cmd/efi.c | 34 |
1 files changed, 18 insertions, 16 deletions
@@ -75,16 +75,17 @@ static int h_cmp_entry(const void *v1, const void *v2) /** * efi_build_mem_table() - make a sorted copy of the memory table * - * @map: Pointer to EFI memory map table + * @desc_base: Pointer to EFI memory map table * @size: Size of table in bytes + * @desc_size: Size of each @desc_base record * @skip_bs: True to skip boot-time memory and merge it with conventional * memory. This will significantly reduce the number of table * entries. * Return: pointer to the new table. It should be freed with free() by the * caller. */ -static void *efi_build_mem_table(struct efi_entry_memmap *map, int size, - bool skip_bs) +static void *efi_build_mem_table(struct efi_mem_desc *desc_base, int size, + int desc_size, bool skip_bs) { struct efi_mem_desc *desc, *end, *base, *dest, *prev; int count; @@ -95,15 +96,16 @@ static void *efi_build_mem_table(struct efi_entry_memmap *map, int size, debug("%s: Cannot allocate %#x bytes\n", __func__, size); return NULL; } - end = (struct efi_mem_desc *)((ulong)map + size); - count = ((ulong)end - (ulong)map->desc) / map->desc_size; - memcpy(base, map->desc, (ulong)end - (ulong)map->desc); - qsort(base, count, map->desc_size, h_cmp_entry); + end = (void *)desc_base + size; + count = ((ulong)end - (ulong)desc_base) / desc_size; + memcpy(base, desc_base, (ulong)end - (ulong)desc_base); + qsort(base, count, desc_size, h_cmp_entry); prev = NULL; addr = 0; dest = base; - end = (struct efi_mem_desc *)((ulong)base + count * map->desc_size); - for (desc = base; desc < end; desc = efi_get_next_mem_desc(map, desc)) { + end = (struct efi_mem_desc *)((ulong)base + count * desc_size); + for (desc = base; desc < end; + desc = efi_get_next_mem_desc(desc, desc_size)) { bool merge = true; u32 type = desc->type; @@ -116,7 +118,7 @@ static void *efi_build_mem_table(struct efi_entry_memmap *map, int size, if (skip_bs && is_boot_services(desc->type)) type = EFI_CONVENTIONAL_MEMORY; - memcpy(dest, desc, map->desc_size); + memcpy(dest, desc, desc_size); dest->type = type; if (!skip_bs || !prev) merge = false; @@ -131,7 +133,7 @@ static void *efi_build_mem_table(struct efi_entry_memmap *map, int size, prev->num_pages += desc->num_pages; } else { prev = dest; - dest = efi_get_next_mem_desc(map, dest); + dest = efi_get_next_mem_desc(dest, desc_size); } addr = desc->physical_start + (desc->num_pages << EFI_PAGE_SHIFT); @@ -143,8 +145,8 @@ static void *efi_build_mem_table(struct efi_entry_memmap *map, int size, return base; } -static void efi_print_mem_table(struct efi_entry_memmap *map, - struct efi_mem_desc *desc, bool skip_bs) +static void efi_print_mem_table(struct efi_mem_desc *desc, int desc_size, + bool skip_bs) { u64 attr_seen[ATTR_SEEN_MAX]; int attr_seen_count; @@ -158,7 +160,7 @@ static void efi_print_mem_table(struct efi_entry_memmap *map, attr_seen_count = 0; addr = 0; for (upto = 0; desc->type != EFI_MAX_MEMORY_TYPE; - upto++, desc = efi_get_next_mem_desc(map, desc)) { + upto++, desc = efi_get_next_mem_desc(desc, desc_size)) { const char *name; u64 size; @@ -238,13 +240,13 @@ static int do_efi_mem(struct cmd_tbl *cmdtp, int flag, int argc, goto done; } - desc = efi_build_mem_table(map, size, skip_bs); + desc = efi_build_mem_table(map->desc, size, map->desc_size, skip_bs); if (!desc) { ret = -ENOMEM; goto done; } - efi_print_mem_table(map, desc, skip_bs); + efi_print_mem_table(desc, map->desc_size, skip_bs); free(desc); done: if (ret) |