diff options
Diffstat (limited to 'src/lib')
| -rw-r--r-- | src/lib/imd_cbmem.c | 73 |
1 files changed, 10 insertions, 63 deletions
diff --git a/src/lib/imd_cbmem.c b/src/lib/imd_cbmem.c index 4172fa4911..c3204e2881 100644 --- a/src/lib/imd_cbmem.c +++ b/src/lib/imd_cbmem.c @@ -55,32 +55,6 @@ static inline const struct imd_entry *cbmem_to_imd(const struct cbmem_entry *e) return (const struct imd_entry *)e; } -/* These are the different situations to handle: - * - * In ramstage cbmem_initialize() attempts a recovery of the - * cbmem region set up by romstage. It uses cbmem_top() as the - * starting point of recovery. - * - * In romstage, similar to ramstage, cbmem_initialize() needs to - * attempt recovery of the cbmem area using cbmem_top() as the limit. - * cbmem_initialize_empty() initializes an empty cbmem area from - * cbmem_top(); - * - */ -static struct imd *imd_init_backing(struct imd *backing) -{ - return &imd_cbmem; -} - -static struct imd *imd_init_backing_with_recover(struct imd *backing) -{ - struct imd *imd; - - imd = imd_init_backing(backing); - - return imd; -} - void cbmem_initialize_empty(void) { cbmem_initialize_empty_id_size(0, 0); @@ -100,13 +74,11 @@ static void cbmem_top_init_once(void) void cbmem_initialize_empty_id_size(u32 id, u64 size) { - struct imd *imd; - struct imd imd_backing; + struct imd *imd = &imd_cbmem; const int no_recovery = 0; cbmem_top_init_once(); - imd = imd_init_backing(&imd_backing); imd_handle_init(imd, cbmem_top()); printk(BIOS_DEBUG, "CBMEM:\n"); @@ -132,13 +104,11 @@ int cbmem_initialize(void) int cbmem_initialize_id_size(u32 id, u64 size) { - struct imd *imd; - struct imd imd_backing; + struct imd *imd = &imd_cbmem; const int recovery = 1; cbmem_top_init_once(); - imd = imd_init_backing(&imd_backing); imd_handle_init(imd, cbmem_top()); if (imd_recover(imd)) @@ -175,12 +145,9 @@ int cbmem_recovery(int is_wakeup) const struct cbmem_entry *cbmem_entry_add(u32 id, u64 size64) { - struct imd *imd; - struct imd imd_backing; + struct imd *imd = &imd_cbmem; const struct imd_entry *e; - imd = imd_init_backing_with_recover(&imd_backing); - e = imd_entry_find_or_add(imd, id, size64); return imd_to_cbmem(e); @@ -188,12 +155,9 @@ const struct cbmem_entry *cbmem_entry_add(u32 id, u64 size64) void *cbmem_add(u32 id, u64 size) { - struct imd *imd; - struct imd imd_backing; + struct imd *imd = &imd_cbmem; const struct imd_entry *e; - imd = imd_init_backing_with_recover(&imd_backing); - e = imd_entry_find_or_add(imd, id, size); if (e == NULL) @@ -205,12 +169,9 @@ void *cbmem_add(u32 id, u64 size) /* Retrieve a region provided a given id. */ const struct cbmem_entry *cbmem_entry_find(u32 id) { - struct imd *imd; - struct imd imd_backing; + struct imd *imd = &imd_cbmem; const struct imd_entry *e; - imd = imd_init_backing_with_recover(&imd_backing); - e = imd_entry_find(imd, id); return imd_to_cbmem(e); @@ -218,12 +179,9 @@ const struct cbmem_entry *cbmem_entry_find(u32 id) void *cbmem_find(u32 id) { - struct imd *imd; - struct imd imd_backing; + struct imd *imd = &imd_cbmem; const struct imd_entry *e; - imd = imd_init_backing_with_recover(&imd_backing); - e = imd_entry_find(imd, id); if (e == NULL) @@ -236,30 +194,21 @@ void *cbmem_find(u32 id) * cannot be removed unless it was the last one added. */ int cbmem_entry_remove(const struct cbmem_entry *entry) { - struct imd *imd; - struct imd imd_backing; - - imd = imd_init_backing_with_recover(&imd_backing); + struct imd *imd = &imd_cbmem; return imd_entry_remove(imd, cbmem_to_imd(entry)); } u64 cbmem_entry_size(const struct cbmem_entry *entry) { - struct imd *imd; - struct imd imd_backing; - - imd = imd_init_backing_with_recover(&imd_backing); + struct imd *imd = &imd_cbmem; return imd_entry_size(imd, cbmem_to_imd(entry)); } void *cbmem_entry_start(const struct cbmem_entry *entry) { - struct imd *imd; - struct imd imd_backing; - - imd = imd_init_backing_with_recover(&imd_backing); + struct imd *imd = &imd_cbmem; return imd_entry_at(imd, cbmem_to_imd(entry)); } @@ -288,10 +237,8 @@ void cbmem_get_region(void **baseptr, size_t *size) void cbmem_list(void) { static const struct imd_lookup lookup[] = { CBMEM_ID_TO_NAME_TABLE }; - struct imd *imd; - struct imd imd_backing; + struct imd *imd = &imd_cbmem; - imd = imd_init_backing_with_recover(&imd_backing); imd_print_entries(imd, lookup, ARRAY_SIZE(lookup)); } #endif |