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-rw-r--r--src/lib/imd_cbmem.c61
1 files changed, 22 insertions, 39 deletions
diff --git a/src/lib/imd_cbmem.c b/src/lib/imd_cbmem.c
index c3204e2881..5be7dc46f5 100644
--- a/src/lib/imd_cbmem.c
+++ b/src/lib/imd_cbmem.c
@@ -27,6 +27,8 @@
has to fill in the _cbmem_top_ptr symbol based on the calling arguments. */
uintptr_t _cbmem_top_ptr;
+static struct imd imd;
+
void *cbmem_top(void)
{
if (ENV_ROMSTAGE) {
@@ -42,9 +44,6 @@ void *cbmem_top(void)
dead_code();
}
-
-static struct imd imd_cbmem;
-
static inline const struct cbmem_entry *imd_to_cbmem(const struct imd_entry *e)
{
return (const struct cbmem_entry *)e;
@@ -74,16 +73,15 @@ static void cbmem_top_init_once(void)
void cbmem_initialize_empty_id_size(u32 id, u64 size)
{
- struct imd *imd = &imd_cbmem;
const int no_recovery = 0;
cbmem_top_init_once();
- imd_handle_init(imd, cbmem_top());
+ imd_handle_init(&imd, cbmem_top());
printk(BIOS_DEBUG, "CBMEM:\n");
- if (imd_create_tiered_empty(imd, CBMEM_ROOT_MIN_SIZE, CBMEM_LG_ALIGN,
+ if (imd_create_tiered_empty(&imd, CBMEM_ROOT_MIN_SIZE, CBMEM_LG_ALIGN,
CBMEM_SM_ROOT_SIZE, CBMEM_SM_ALIGN)) {
printk(BIOS_DEBUG, "failed.\n");
return;
@@ -104,14 +102,13 @@ int cbmem_initialize(void)
int cbmem_initialize_id_size(u32 id, u64 size)
{
- struct imd *imd = &imd_cbmem;
const int recovery = 1;
cbmem_top_init_once();
- imd_handle_init(imd, cbmem_top());
+ imd_handle_init(&imd, cbmem_top());
- if (imd_recover(imd))
+ if (imd_recover(&imd))
return 1;
/*
@@ -120,7 +117,7 @@ int cbmem_initialize_id_size(u32 id, u64 size)
* is being taken.
*/
if (ENV_ROMSTAGE)
- imd_lockdown(imd);
+ imd_lockdown(&imd);
/* Add the specified range first */
if (size)
@@ -145,72 +142,62 @@ int cbmem_recovery(int is_wakeup)
const struct cbmem_entry *cbmem_entry_add(u32 id, u64 size64)
{
- struct imd *imd = &imd_cbmem;
const struct imd_entry *e;
- e = imd_entry_find_or_add(imd, id, size64);
+ e = imd_entry_find_or_add(&imd, id, size64);
return imd_to_cbmem(e);
}
void *cbmem_add(u32 id, u64 size)
{
- struct imd *imd = &imd_cbmem;
const struct imd_entry *e;
- e = imd_entry_find_or_add(imd, id, size);
+ e = imd_entry_find_or_add(&imd, id, size);
if (e == NULL)
return NULL;
- return imd_entry_at(imd, e);
+ return imd_entry_at(&imd, e);
}
/* Retrieve a region provided a given id. */
const struct cbmem_entry *cbmem_entry_find(u32 id)
{
- struct imd *imd = &imd_cbmem;
const struct imd_entry *e;
- e = imd_entry_find(imd, id);
+ e = imd_entry_find(&imd, id);
return imd_to_cbmem(e);
}
void *cbmem_find(u32 id)
{
- struct imd *imd = &imd_cbmem;
const struct imd_entry *e;
- e = imd_entry_find(imd, id);
+ e = imd_entry_find(&imd, id);
if (e == NULL)
return NULL;
- return imd_entry_at(imd, e);
+ return imd_entry_at(&imd, e);
}
/* Remove a reserved region. Returns 0 on success, < 0 on error. Note: A region
* cannot be removed unless it was the last one added. */
int cbmem_entry_remove(const struct cbmem_entry *entry)
{
- struct imd *imd = &imd_cbmem;
-
- return imd_entry_remove(imd, cbmem_to_imd(entry));
+ return imd_entry_remove(&imd, cbmem_to_imd(entry));
}
u64 cbmem_entry_size(const struct cbmem_entry *entry)
{
- struct imd *imd = &imd_cbmem;
-
- return imd_entry_size(imd, cbmem_to_imd(entry));
+ return imd_entry_size(&imd, cbmem_to_imd(entry));
}
void *cbmem_entry_start(const struct cbmem_entry *entry)
{
- struct imd *imd = &imd_cbmem;
-
- return imd_entry_at(imd, cbmem_to_imd(entry));
+ return imd_entry_at(&imd, cbmem_to_imd(entry));
}
void cbmem_add_bootmem(void)
@@ -224,7 +211,7 @@ void cbmem_add_bootmem(void)
void cbmem_get_region(void **baseptr, size_t *size)
{
- imd_region_used(&imd_cbmem, baseptr, size);
+ imd_region_used(&imd, baseptr, size);
}
#if ENV_PAYLOAD_LOADER || (CONFIG(EARLY_CBMEM_LIST) \
@@ -237,20 +224,16 @@ 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 = &imd_cbmem;
- imd_print_entries(imd, lookup, ARRAY_SIZE(lookup));
+ imd_print_entries(&imd, lookup, ARRAY_SIZE(lookup));
}
#endif
void cbmem_add_records_to_cbtable(struct lb_header *header)
{
struct imd_cursor cursor;
- struct imd *imd;
-
- imd = &imd_cbmem;
- if (imd_cursor_init(imd, &cursor))
+ if (imd_cursor_init(&imd, &cursor))
return;
while (1) {
@@ -263,7 +246,7 @@ void cbmem_add_records_to_cbtable(struct lb_header *header)
if (e == NULL)
break;
- id = imd_entry_id(imd, e);
+ id = imd_entry_id(&imd, e);
/* Don't add these metadata entries. */
if (id == CBMEM_ID_IMD_ROOT || id == CBMEM_ID_IMD_SMALL)
continue;
@@ -271,8 +254,8 @@ void cbmem_add_records_to_cbtable(struct lb_header *header)
lbe = (struct lb_cbmem_entry *)lb_new_record(header);
lbe->tag = LB_TAG_CBMEM_ENTRY;
lbe->size = sizeof(*lbe);
- lbe->address = (uintptr_t)imd_entry_at(imd, e);
- lbe->entry_size = imd_entry_size(imd, e);
+ lbe->address = (uintptr_t)imd_entry_at(&imd, e);
+ lbe->entry_size = imd_entry_size(&imd, e);
lbe->id = id;
}
}