#include <alist.h>
#include <efi_loader.h>
+#include <event.h>
#include <image.h>
#include <mapmem.h>
#include <lmb.h>
DECLARE_GLOBAL_DATA_PTR;
-#define LMB_ALLOC_ANYWHERE 0
-#define LMB_ALIST_INITIAL_SIZE 4
+#define MAP_OP_RESERVE (u8)0x1
+#define MAP_OP_FREE (u8)0x2
+#define MAP_OP_ADD (u8)0x3
-static struct lmb lmb;
-
-static void lmb_print_region_flags(enum lmb_flags flags)
-{
- u64 bitpos;
- const char *flag_str[] = { "none", "no-map", "no-overwrite" };
-
- do {
- bitpos = flags ? fls(flags) - 1 : 0;
- printf("%s", flag_str[bitpos]);
- flags &= ~(1ull << bitpos);
- puts(flags ? ", " : "\n");
- } while (flags);
-}
-
-static void lmb_dump_region(struct alist *lmb_rgn_lst, char *name)
-{
- struct lmb_region *rgn = lmb_rgn_lst->data;
- unsigned long long base, size, end;
- enum lmb_flags flags;
- int i;
-
- printf(" %s.count = 0x%x\n", name, lmb_rgn_lst->count);
-
- for (i = 0; i < lmb_rgn_lst->count; i++) {
- base = rgn[i].base;
- size = rgn[i].size;
- end = base + size - 1;
- flags = rgn[i].flags;
-
- printf(" %s[%d]\t[0x%llx-0x%llx], 0x%08llx bytes flags: ",
- name, i, base, end, size);
- lmb_print_region_flags(flags);
- }
-}
-
-void lmb_dump_all_force(void)
-{
- printf("lmb_dump_all:\n");
- lmb_dump_region(&lmb.free_mem, "memory");
- lmb_dump_region(&lmb.used_mem, "reserved");
-}
-
-void lmb_dump_all(void)
-{
-#ifdef DEBUG
- lmb_dump_all_force();
-#endif
-}
+/*
+ * The following low level LMB functions must not access the global LMB memory
+ * map since they are also used to manage IOVA memory maps in iommu drivers like
+ * apple_dart.
+ */
static long lmb_addrs_overlap(phys_addr_t base1, phys_size_t size1,
phys_addr_t base2, phys_size_t size2)
lmb_remove_region(lmb_rgn_lst, r2);
}
-/**
- * efi_lmb_reserve() - add reservations for EFI memory
- *
- * Add reservations for all EFI memory areas that are not
- * EFI_CONVENTIONAL_MEMORY.
- *
- * Return: 0 on success, 1 on failure
- */
-static __maybe_unused int efi_lmb_reserve(void)
-{
- struct efi_mem_desc *memmap = NULL, *map;
- efi_uintn_t i, map_size = 0;
- efi_status_t ret;
-
- ret = efi_get_memory_map_alloc(&map_size, &memmap);
- if (ret != EFI_SUCCESS)
- return 1;
-
- for (i = 0, map = memmap; i < map_size / sizeof(*map); ++map, ++i) {
- if (map->type != EFI_CONVENTIONAL_MEMORY) {
- lmb_reserve_flags(map_to_sysmem((void *)(uintptr_t)
- map->physical_start),
- map->num_pages * EFI_PAGE_SIZE,
- map->type == EFI_RESERVED_MEMORY_TYPE
- ? LMB_NOMAP : LMB_NONE);
- }
- }
- efi_free_pool(memmap);
-
- return 0;
-}
-
-static void lmb_reserve_uboot_region(void)
-{
- int bank;
- ulong end, bank_end;
- phys_addr_t rsv_start;
-
- rsv_start = gd->start_addr_sp - CONFIG_STACK_SIZE;
- end = gd->ram_top;
-
- /*
- * Reserve memory from aligned address below the bottom of U-Boot stack
- * until end of RAM area to prevent LMB from overwriting that memory.
- */
- debug("## Current stack ends at 0x%08lx ", (ulong)rsv_start);
-
- /* adjust sp by 16K to be safe */
- rsv_start -= SZ_16K;
- for (bank = 0; bank < CONFIG_NR_DRAM_BANKS; bank++) {
- if (!gd->bd->bi_dram[bank].size ||
- rsv_start < gd->bd->bi_dram[bank].start)
- continue;
- /* Watch out for RAM at end of address space! */
- bank_end = gd->bd->bi_dram[bank].start +
- gd->bd->bi_dram[bank].size - 1;
- if (rsv_start > bank_end)
- continue;
- if (bank_end > end)
- bank_end = end - 1;
-
- lmb_reserve_flags(rsv_start, bank_end - rsv_start + 1,
- LMB_NOOVERWRITE);
-
- if (gd->flags & GD_FLG_SKIP_RELOC)
- lmb_reserve_flags((phys_addr_t)(uintptr_t)_start,
- gd->mon_len, LMB_NOOVERWRITE);
-
- break;
- }
-}
-
-static void lmb_reserve_common(void *fdt_blob)
-{
- lmb_reserve_uboot_region();
-
- if (CONFIG_IS_ENABLED(OF_LIBFDT) && fdt_blob)
- boot_fdt_add_mem_rsv_regions(fdt_blob);
-
- if (CONFIG_IS_ENABLED(EFI_LOADER))
- efi_lmb_reserve();
-}
-
-static __maybe_unused void lmb_reserve_common_spl(void)
-{
- phys_addr_t rsv_start;
- phys_size_t rsv_size;
-
- /*
- * Assume a SPL stack of 16KB. This must be
- * more than enough for the SPL stage.
- */
- if (IS_ENABLED(CONFIG_SPL_STACK_R_ADDR)) {
- rsv_start = gd->start_addr_sp - 16384;
- rsv_size = 16384;
- lmb_reserve_flags(rsv_start, rsv_size, LMB_NOOVERWRITE);
- }
-
- if (IS_ENABLED(CONFIG_SPL_SEPARATE_BSS)) {
- /* Reserve the bss region */
- rsv_start = (phys_addr_t)(uintptr_t)__bss_start;
- rsv_size = (phys_addr_t)(uintptr_t)__bss_end -
- (phys_addr_t)(uintptr_t)__bss_start;
- lmb_reserve_flags(rsv_start, rsv_size, LMB_NOOVERWRITE);
- }
-}
-
-/**
- * lmb_add_memory() - Add memory range for LMB allocations
- *
- * Add the entire available memory range to the pool of memory that
- * can be used by the LMB module for allocations.
- *
- * Return: None
- */
-void lmb_add_memory(void)
-{
- int i;
- phys_size_t size;
- phys_addr_t rgn_top;
- u64 ram_top = gd->ram_top;
- struct bd_info *bd = gd->bd;
-
- /* Assume a 4GB ram_top if not defined */
- if (!ram_top)
- ram_top = 0x100000000ULL;
-
- for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) {
- size = bd->bi_dram[i].size;
- if (size) {
- if (bd->bi_dram[i].start > ram_top)
- continue;
-
- rgn_top = bd->bi_dram[i].start +
- bd->bi_dram[i].size;
-
- if (rgn_top > ram_top)
- size -= rgn_top - ram_top;
-
- lmb_add(bd->bi_dram[i].start, size);
- }
- }
-}
-
static long lmb_resize_regions(struct alist *lmb_rgn_lst,
unsigned long idx_start,
phys_addr_t base, phys_size_t size)
phys_addr_t rgnbase = rgn[i].base;
phys_size_t rgnsize = rgn[i].size;
phys_size_t rgnflags = rgn[i].flags;
- phys_addr_t end = base + size - 1;
- phys_addr_t rgnend = rgnbase + rgnsize - 1;
- if (rgnbase <= base && end <= rgnend) {
- if (flags == rgnflags)
- /* Already have this region, so we're done */
- return 0;
- else
- return -1; /* regions with new flags */
- }
ret = lmb_addrs_adjacent(base, size, rgnbase, rgnsize);
if (ret > 0) {
}
if (coalesced)
- return coalesced;
+ return 0;
if (alist_full(lmb_rgn_lst) &&
!alist_expand_by(lmb_rgn_lst, lmb_rgn_lst->alloc))
return 0;
}
-static long lmb_add_region(struct alist *lmb_rgn_lst, phys_addr_t base,
- phys_size_t size)
-{
- return lmb_add_region_flags(lmb_rgn_lst, base, size, LMB_NONE);
-}
-
-/* This routine may be called with relocation disabled. */
-long lmb_add(phys_addr_t base, phys_size_t size)
-{
- struct alist *lmb_rgn_lst = &lmb.free_mem;
-
- return lmb_add_region(lmb_rgn_lst, base, size);
-}
-
-long lmb_free(phys_addr_t base, phys_size_t size)
+static long _lmb_free(struct alist *lmb_rgn_lst, phys_addr_t base,
+ phys_size_t size)
{
struct lmb_region *rgn;
- struct alist *lmb_rgn_lst = &lmb.used_mem;
phys_addr_t rgnbegin, rgnend;
phys_addr_t end = base + size - 1;
int i;
rgn[i].flags);
}
-long lmb_reserve_flags(phys_addr_t base, phys_size_t size, enum lmb_flags flags)
-{
- struct alist *lmb_rgn_lst = &lmb.used_mem;
-
- return lmb_add_region_flags(lmb_rgn_lst, base, size, flags);
-}
-
-long lmb_reserve(phys_addr_t base, phys_size_t size)
-{
- return lmb_reserve_flags(base, size, LMB_NONE);
-}
-
static long lmb_overlaps_region(struct alist *lmb_rgn_lst, phys_addr_t base,
phys_size_t size)
{
return addr & ~(size - 1);
}
-static phys_addr_t __lmb_alloc_base(phys_size_t size, ulong align,
+/*
+ * IOVA LMB memory maps using lmb pointers instead of the global LMB memory map.
+ */
+
+int io_lmb_setup(struct lmb *io_lmb)
+{
+ int ret;
+
+ ret = alist_init(&io_lmb->free_mem, sizeof(struct lmb_region),
+ (uint)LMB_ALIST_INITIAL_SIZE);
+ if (!ret) {
+ log_debug("Unable to initialise the list for LMB free IOVA\n");
+ return -ENOMEM;
+ }
+
+ ret = alist_init(&io_lmb->used_mem, sizeof(struct lmb_region),
+ (uint)LMB_ALIST_INITIAL_SIZE);
+ if (!ret) {
+ log_debug("Unable to initialise the list for LMB used IOVA\n");
+ return -ENOMEM;
+ }
+
+ io_lmb->test = false;
+
+ return 0;
+}
+
+void io_lmb_teardown(struct lmb *io_lmb)
+{
+ alist_uninit(&io_lmb->free_mem);
+ alist_uninit(&io_lmb->used_mem);
+}
+
+long io_lmb_add(struct lmb *io_lmb, phys_addr_t base, phys_size_t size)
+{
+ return lmb_add_region_flags(&io_lmb->free_mem, base, size, LMB_NONE);
+}
+
+/* derived and simplified from _lmb_alloc_base() */
+phys_addr_t io_lmb_alloc(struct lmb *io_lmb, phys_size_t size, ulong align)
+{
+ long i, rgn;
+ phys_addr_t base = 0;
+ phys_addr_t res_base;
+ struct lmb_region *lmb_used = io_lmb->used_mem.data;
+ struct lmb_region *lmb_memory = io_lmb->free_mem.data;
+
+ for (i = io_lmb->free_mem.count - 1; i >= 0; i--) {
+ phys_addr_t lmbbase = lmb_memory[i].base;
+ phys_size_t lmbsize = lmb_memory[i].size;
+
+ if (lmbsize < size)
+ continue;
+ base = lmb_align_down(lmbbase + lmbsize - size, align);
+
+ while (base && lmbbase <= base) {
+ rgn = lmb_overlaps_region(&io_lmb->used_mem, base, size);
+ if (rgn < 0) {
+ /* This area isn't reserved, take it */
+ if (lmb_add_region_flags(&io_lmb->used_mem, base,
+ size, LMB_NONE) < 0)
+ return 0;
+
+ return base;
+ }
+
+ res_base = lmb_used[rgn].base;
+ if (res_base < size)
+ break;
+ base = lmb_align_down(res_base - size, align);
+ }
+ }
+ return 0;
+}
+
+long io_lmb_free(struct lmb *io_lmb, phys_addr_t base, phys_size_t size)
+{
+ return _lmb_free(&io_lmb->used_mem, base, size);
+}
+
+/*
+ * Low level LMB functions are used to manage IOVA memory maps for the Apple
+ * dart iommu. They must not access the global LMB memory map.
+ * So keep the global LMB variable declaration unreachable from them.
+ */
+
+static struct lmb lmb;
+
+static bool lmb_should_notify(enum lmb_flags flags)
+{
+ return !lmb.test && !(flags & LMB_NONOTIFY) &&
+ CONFIG_IS_ENABLED(EFI_LOADER);
+}
+
+static int lmb_map_update_notify(phys_addr_t addr, phys_size_t size, u8 op,
+ enum lmb_flags flags)
+{
+ u64 efi_addr;
+ u64 pages;
+ efi_status_t status;
+
+ if (op != MAP_OP_RESERVE && op != MAP_OP_FREE && op != MAP_OP_ADD) {
+ log_err("Invalid map update op received (%d)\n", op);
+ return -1;
+ }
+
+ if (!lmb_should_notify(flags))
+ return 0;
+
+ efi_addr = (uintptr_t)map_sysmem(addr, 0);
+ pages = efi_size_in_pages(size + (efi_addr & EFI_PAGE_MASK));
+ efi_addr &= ~EFI_PAGE_MASK;
+
+ status = efi_add_memory_map_pg(efi_addr, pages,
+ op == MAP_OP_RESERVE ?
+ EFI_BOOT_SERVICES_DATA :
+ EFI_CONVENTIONAL_MEMORY,
+ false);
+ if (status != EFI_SUCCESS) {
+ log_err("%s: LMB Map notify failure %lu\n", __func__,
+ status & ~EFI_ERROR_MASK);
+ return -1;
+ }
+ unmap_sysmem((void *)(uintptr_t)efi_addr);
+
+ return 0;
+}
+
+static void lmb_print_region_flags(enum lmb_flags flags)
+{
+ const char *flag_str[] = { "none", "no-map", "no-overwrite", "no-notify" };
+ unsigned int pflags = flags &
+ (LMB_NOMAP | LMB_NOOVERWRITE | LMB_NONOTIFY);
+
+ if (flags != pflags) {
+ printf("invalid %#x\n", flags);
+ return;
+ }
+
+ do {
+ int bitpos = pflags ? fls(pflags) - 1 : 0;
+
+ printf("%s", flag_str[bitpos]);
+ pflags &= ~(1u << bitpos);
+ puts(pflags ? ", " : "\n");
+ } while (pflags);
+}
+
+static void lmb_dump_region(struct alist *lmb_rgn_lst, char *name)
+{
+ struct lmb_region *rgn = lmb_rgn_lst->data;
+ unsigned long long base, size, end;
+ enum lmb_flags flags;
+ int i;
+
+ printf(" %s.count = %#x\n", name, lmb_rgn_lst->count);
+
+ for (i = 0; i < lmb_rgn_lst->count; i++) {
+ base = rgn[i].base;
+ size = rgn[i].size;
+ end = base + size - 1;
+ flags = rgn[i].flags;
+
+ printf(" %s[%d]\t[%#llx-%#llx], %#llx bytes, flags: ",
+ name, i, base, end, size);
+ lmb_print_region_flags(flags);
+ }
+}
+
+void lmb_dump_all_force(void)
+{
+ printf("lmb_dump_all:\n");
+ lmb_dump_region(&lmb.free_mem, "memory");
+ lmb_dump_region(&lmb.used_mem, "reserved");
+}
+
+void lmb_dump_all(void)
+{
+#ifdef DEBUG
+ lmb_dump_all_force();
+#endif
+}
+
+static void lmb_reserve_uboot_region(void)
+{
+ int bank;
+ ulong end, bank_end;
+ phys_addr_t rsv_start;
+
+ rsv_start = gd->start_addr_sp - CONFIG_STACK_SIZE;
+ end = gd->ram_top;
+
+ /*
+ * Reserve memory from aligned address below the bottom of U-Boot stack
+ * until end of RAM area to prevent LMB from overwriting that memory.
+ */
+ debug("## Current stack ends at 0x%08lx ", (ulong)rsv_start);
+
+ for (bank = 0; bank < CONFIG_NR_DRAM_BANKS; bank++) {
+ if (!gd->bd->bi_dram[bank].size ||
+ rsv_start < gd->bd->bi_dram[bank].start)
+ continue;
+ /* Watch out for RAM at end of address space! */
+ bank_end = gd->bd->bi_dram[bank].start +
+ gd->bd->bi_dram[bank].size - 1;
+ if (rsv_start > bank_end)
+ continue;
+ if (bank_end > end)
+ bank_end = end - 1;
+
+ lmb_reserve_flags(rsv_start, bank_end - rsv_start + 1,
+ LMB_NOOVERWRITE);
+
+ if (gd->flags & GD_FLG_SKIP_RELOC)
+ lmb_reserve_flags((phys_addr_t)(uintptr_t)_start,
+ gd->mon_len, LMB_NOOVERWRITE);
+
+ break;
+ }
+}
+
+static void lmb_reserve_common(void *fdt_blob)
+{
+ lmb_reserve_uboot_region();
+
+ if (CONFIG_IS_ENABLED(OF_LIBFDT) && fdt_blob)
+ boot_fdt_add_mem_rsv_regions(fdt_blob);
+}
+
+static __maybe_unused void lmb_reserve_common_spl(void)
+{
+ phys_addr_t rsv_start;
+ phys_size_t rsv_size;
+
+ /*
+ * Assume a SPL stack of 16KB. This must be
+ * more than enough for the SPL stage.
+ */
+ if (IS_ENABLED(CONFIG_SPL_STACK_R_ADDR)) {
+ rsv_start = gd->start_addr_sp - 16384;
+ rsv_size = 16384;
+ lmb_reserve_flags(rsv_start, rsv_size, LMB_NOOVERWRITE);
+ }
+
+ if (IS_ENABLED(CONFIG_SPL_SEPARATE_BSS)) {
+ /* Reserve the bss region */
+ rsv_start = (phys_addr_t)(uintptr_t)__bss_start;
+ rsv_size = (phys_addr_t)(uintptr_t)__bss_end -
+ (phys_addr_t)(uintptr_t)__bss_start;
+ lmb_reserve_flags(rsv_start, rsv_size, LMB_NOOVERWRITE);
+ }
+}
+
+/**
+ * lmb_add_memory() - Add memory range for LMB allocations
+ *
+ * Add the entire available memory range to the pool of memory that
+ * can be used by the LMB module for allocations.
+ *
+ * Return: None
+ */
+void lmb_add_memory(void)
+{
+ int i;
+ phys_addr_t bank_end;
+ phys_size_t size;
+ u64 ram_top = gd->ram_top;
+ struct bd_info *bd = gd->bd;
+
+ if (CONFIG_IS_ENABLED(LMB_ARCH_MEM_MAP))
+ return lmb_arch_add_memory();
+
+ /* Assume a 4GB ram_top if not defined */
+ if (!ram_top)
+ ram_top = 0x100000000ULL;
+
+ for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) {
+ size = bd->bi_dram[i].size;
+ bank_end = bd->bi_dram[i].start + size;
+
+ if (size) {
+ lmb_add(bd->bi_dram[i].start, size);
+
+ /*
+ * Reserve memory above ram_top as
+ * no-overwrite so that it cannot be
+ * allocated
+ */
+ if (bd->bi_dram[i].start >= ram_top)
+ lmb_reserve_flags(bd->bi_dram[i].start, size,
+ LMB_NOOVERWRITE);
+ else if (bank_end > ram_top)
+ lmb_reserve_flags(ram_top, bank_end - ram_top,
+ LMB_NOOVERWRITE);
+ }
+ }
+}
+
+static long lmb_add_region(struct alist *lmb_rgn_lst, phys_addr_t base,
+ phys_size_t size)
+{
+ return lmb_add_region_flags(lmb_rgn_lst, base, size, LMB_NONE);
+}
+
+/* This routine may be called with relocation disabled. */
+long lmb_add(phys_addr_t base, phys_size_t size)
+{
+ long ret;
+ struct alist *lmb_rgn_lst = &lmb.free_mem;
+
+ ret = lmb_add_region(lmb_rgn_lst, base, size);
+ if (ret)
+ return ret;
+
+ return lmb_map_update_notify(base, size, MAP_OP_ADD, LMB_NONE);
+}
+
+/**
+ * lmb_free_flags() - Free up a region of memory
+ * @base: Base Address of region to be freed
+ * @size: Size of the region to be freed
+ * @flags: Memory region attributes
+ *
+ * Free up a region of memory.
+ *
+ * Return: 0 if successful, -1 on failure
+ */
+long lmb_free_flags(phys_addr_t base, phys_size_t size,
+ uint flags)
+{
+ long ret;
+
+ ret = _lmb_free(&lmb.used_mem, base, size);
+ if (ret < 0)
+ return ret;
+
+ return lmb_map_update_notify(base, size, MAP_OP_FREE, flags);
+}
+
+long lmb_free(phys_addr_t base, phys_size_t size)
+{
+ return lmb_free_flags(base, size, LMB_NONE);
+}
+
+long lmb_reserve_flags(phys_addr_t base, phys_size_t size, enum lmb_flags flags)
+{
+ long ret = 0;
+ struct alist *lmb_rgn_lst = &lmb.used_mem;
+
+ ret = lmb_add_region_flags(lmb_rgn_lst, base, size, flags);
+ if (ret)
+ return ret;
+
+ return lmb_map_update_notify(base, size, MAP_OP_RESERVE, flags);
+}
+
+long lmb_reserve(phys_addr_t base, phys_size_t size)
+{
+ return lmb_reserve_flags(base, size, LMB_NONE);
+}
+
+static phys_addr_t _lmb_alloc_base(phys_size_t size, ulong align,
phys_addr_t max_addr, enum lmb_flags flags)
{
+ int ret;
long i, rgn;
phys_addr_t base = 0;
phys_addr_t res_base;
if (rgn < 0) {
/* This area isn't reserved, take it */
if (lmb_add_region_flags(&lmb.used_mem, base,
- size, flags) < 0)
+ size, flags))
return 0;
+
+ ret = lmb_map_update_notify(base, size,
+ MAP_OP_RESERVE,
+ flags);
+ if (ret)
+ return ret;
+
return base;
}
{
phys_addr_t alloc;
- alloc = __lmb_alloc_base(size, align, max_addr, LMB_NONE);
+ alloc = _lmb_alloc_base(size, align, max_addr, LMB_NONE);
+
+ if (alloc == 0)
+ printf("ERROR: Failed to allocate 0x%lx bytes below 0x%lx.\n",
+ (ulong)size, (ulong)max_addr);
+
+ return alloc;
+}
+
+/**
+ * lmb_alloc_base_flags() - Allocate specified memory region with specified attributes
+ * @size: Size of the region requested
+ * @align: Alignment of the memory region requested
+ * @max_addr: Maximum address of the requested region
+ * @flags: Memory region attributes to be set
+ *
+ * Allocate a region of memory with the attributes specified through the
+ * parameter. The max_addr parameter is used to specify the maximum address
+ * below which the requested region should be allocated.
+ *
+ * Return: base address on success, 0 on error
+ */
+phys_addr_t lmb_alloc_base_flags(phys_size_t size, ulong align,
+ phys_addr_t max_addr, uint flags)
+{
+ phys_addr_t alloc;
+
+ alloc = _lmb_alloc_base(size, align, max_addr, flags);
if (alloc == 0)
printf("ERROR: Failed to allocate 0x%lx bytes below 0x%lx.\n",
return alloc;
}
-static phys_addr_t __lmb_alloc_addr(phys_addr_t base, phys_size_t size,
+static phys_addr_t _lmb_alloc_addr(phys_addr_t base, phys_size_t size,
enum lmb_flags flags)
{
long rgn;
*/
phys_addr_t lmb_alloc_addr(phys_addr_t base, phys_size_t size)
{
- return __lmb_alloc_addr(base, size, LMB_NONE);
+ return _lmb_alloc_addr(base, size, LMB_NONE);
+}
+
+/**
+ * lmb_alloc_addr_flags() - Allocate specified memory address with specified attributes
+ * @base: Base Address requested
+ * @size: Size of the region requested
+ * @flags: Memory region attributes to be set
+ *
+ * Allocate a region of memory with the attributes specified through the
+ * parameter. The base parameter is used to specify the base address
+ * of the requested region.
+ *
+ * Return: base address on success, 0 on error
+ */
+phys_addr_t lmb_alloc_addr_flags(phys_addr_t base, phys_size_t size,
+ uint flags)
+{
+ return _lmb_alloc_addr(base, size, flags);
}
/* Return number of bytes from a given address that are free */
return 0;
}
-static int lmb_setup(void)
+static int lmb_setup(bool test)
{
bool ret;
return -ENOMEM;
}
+ lmb.test = test;
+
return 0;
}
{
int ret;
- ret = lmb_setup();
+ ret = lmb_setup(false);
if (ret) {
log_info("Unable to init LMB\n");
return ret;
return 0;
}
-#if CONFIG_IS_ENABLED(UNIT_TEST)
struct lmb *lmb_get(void)
{
return &lmb;
}
+#if CONFIG_IS_ENABLED(UNIT_TEST)
int lmb_push(struct lmb *store)
{
int ret;
*store = lmb;
- ret = lmb_setup();
+ ret = lmb_setup(true);
if (ret)
return ret;
projects / J-u-boot.git / blobdiff