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authorKevin O'Connor <kevin@koconnor.net>2013-06-02 13:09:30 -0400
committerKevin O'Connor <kevin@koconnor.net>2013-06-08 21:44:17 -0400
commitd0d82a31fe8b6248c3b610109320b401d944128c (patch)
tree1099dec4cbb085a8b911e9559e1c2b2035b2f448
parentf31bff130504d0553148977c2cbb8a153a26fb3a (diff)
downloadseabios-d0d82a31fe8b6248c3b610109320b401d944128c.tar.gz
Minor - move "tracked memory alloc" code in pmm.c.
Move the "pmm_malloc" code closer to the low level alloc functions it calls. Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
-rw-r--r--src/pmm.c196
1 files changed, 98 insertions, 98 deletions
diff --git a/src/pmm.c b/src/pmm.c
index c4156ba..abacb28 100644
--- a/src/pmm.c
+++ b/src/pmm.c
@@ -164,6 +164,104 @@ findLast(struct zone_s *zone)
/****************************************************************
+ * tracked memory allocations
+ ****************************************************************/
+
+// Allocate memory from the given zone and track it as a PMM allocation
+void * __malloc
+pmm_malloc(struct zone_s *zone, u32 handle, u32 size, u32 align)
+{
+ ASSERT32FLAT();
+ if (!size)
+ return NULL;
+
+ // Find and reserve space for bookkeeping.
+ struct allocdetail_s *detail = allocSpace(
+ &ZoneTmpHigh, sizeof(*detail), MALLOC_MIN_ALIGN, NULL);
+ if (!detail) {
+ detail = allocSpace(&ZoneTmpLow, sizeof(*detail)
+ , MALLOC_MIN_ALIGN, NULL);
+ if (!detail)
+ return NULL;
+ }
+
+ // Find and reserve space for main allocation
+ void *data = allocSpace(zone, size, align, &detail->datainfo);
+ if (!data) {
+ freeSpace(&detail->detailinfo);
+ return NULL;
+ }
+
+ dprintf(8, "pmm_malloc zone=%p handle=%x size=%d align=%x"
+ " ret=%p (detail=%p)\n"
+ , zone, handle, size, align
+ , data, detail);
+ detail->handle = handle;
+
+ return data;
+}
+
+// Free a data block allocated with pmm_malloc
+int
+pmm_free(void *data)
+{
+ ASSERT32FLAT();
+ struct allocinfo_s *info = findAlloc(data);
+ if (!info || data == (void*)info || data == info->dataend)
+ return -1;
+ struct allocdetail_s *detail = container_of(
+ info, struct allocdetail_s, datainfo);
+ dprintf(8, "pmm_free %p (detail=%p)\n", data, detail);
+ freeSpace(info);
+ freeSpace(&detail->detailinfo);
+ return 0;
+}
+
+// Find the amount of free space in a given zone.
+static u32
+pmm_getspace(struct zone_s *zone)
+{
+ // XXX - doesn't account for ZoneLow being able to grow.
+ // XXX - results not reliable when CONFIG_THREAD_OPTIONROMS
+ u32 maxspace = 0;
+ struct allocinfo_s *info;
+ for (info = zone->info; info; info = info->next) {
+ u32 space = info->allocend - info->dataend;
+ if (space > maxspace)
+ maxspace = space;
+ }
+
+ if (zone != &ZoneTmpHigh && zone != &ZoneTmpLow)
+ return maxspace;
+ // Account for space needed for PMM tracking.
+ u32 reserve = ALIGN(sizeof(struct allocdetail_s), MALLOC_MIN_ALIGN);
+ if (maxspace <= reserve)
+ return 0;
+ return maxspace - reserve;
+}
+
+// Find the data block allocated with pmm_malloc with a given handle.
+static void *
+pmm_find(u32 handle)
+{
+ int i;
+ for (i=0; i<ARRAY_SIZE(Zones); i++) {
+ struct zone_s *zone = Zones[i];
+ struct allocinfo_s *info;
+ for (info = zone->info; info; info = info->next) {
+ if (info->data != (void*)info)
+ continue;
+ struct allocdetail_s *detail = container_of(
+ info, struct allocdetail_s, detailinfo);
+ if (detail->handle == handle)
+ return detail->datainfo.data;
+ }
+ }
+ return NULL;
+}
+
+
+/****************************************************************
* 0xc0000-0xf0000 management
****************************************************************/
@@ -359,104 +457,6 @@ malloc_prepboot(void)
/****************************************************************
- * tracked memory allocations
- ****************************************************************/
-
-// Allocate memory from the given zone and track it as a PMM allocation
-void * __malloc
-pmm_malloc(struct zone_s *zone, u32 handle, u32 size, u32 align)
-{
- ASSERT32FLAT();
- if (!size)
- return NULL;
-
- // Find and reserve space for bookkeeping.
- struct allocdetail_s *detail = allocSpace(
- &ZoneTmpHigh, sizeof(*detail), MALLOC_MIN_ALIGN, NULL);
- if (!detail) {
- detail = allocSpace(&ZoneTmpLow, sizeof(*detail)
- , MALLOC_MIN_ALIGN, NULL);
- if (!detail)
- return NULL;
- }
-
- // Find and reserve space for main allocation
- void *data = allocSpace(zone, size, align, &detail->datainfo);
- if (!data) {
- freeSpace(&detail->detailinfo);
- return NULL;
- }
-
- dprintf(8, "pmm_malloc zone=%p handle=%x size=%d align=%x"
- " ret=%p (detail=%p)\n"
- , zone, handle, size, align
- , data, detail);
- detail->handle = handle;
-
- return data;
-}
-
-// Free a data block allocated with pmm_malloc
-int
-pmm_free(void *data)
-{
- ASSERT32FLAT();
- struct allocinfo_s *info = findAlloc(data);
- if (!info || data == (void*)info || data == info->dataend)
- return -1;
- struct allocdetail_s *detail = container_of(
- info, struct allocdetail_s, datainfo);
- dprintf(8, "pmm_free %p (detail=%p)\n", data, detail);
- freeSpace(info);
- freeSpace(&detail->detailinfo);
- return 0;
-}
-
-// Find the amount of free space in a given zone.
-static u32
-pmm_getspace(struct zone_s *zone)
-{
- // XXX - doesn't account for ZoneLow being able to grow.
- // XXX - results not reliable when CONFIG_THREAD_OPTIONROMS
- u32 maxspace = 0;
- struct allocinfo_s *info;
- for (info = zone->info; info; info = info->next) {
- u32 space = info->allocend - info->dataend;
- if (space > maxspace)
- maxspace = space;
- }
-
- if (zone != &ZoneTmpHigh && zone != &ZoneTmpLow)
- return maxspace;
- // Account for space needed for PMM tracking.
- u32 reserve = ALIGN(sizeof(struct allocdetail_s), MALLOC_MIN_ALIGN);
- if (maxspace <= reserve)
- return 0;
- return maxspace - reserve;
-}
-
-// Find the data block allocated with pmm_malloc with a given handle.
-static void *
-pmm_find(u32 handle)
-{
- int i;
- for (i=0; i<ARRAY_SIZE(Zones); i++) {
- struct zone_s *zone = Zones[i];
- struct allocinfo_s *info;
- for (info = zone->info; info; info = info->next) {
- if (info->data != (void*)info)
- continue;
- struct allocdetail_s *detail = container_of(
- info, struct allocdetail_s, detailinfo);
- if (detail->handle == handle)
- return detail->datainfo.data;
- }
- }
- return NULL;
-}
-
-
-/****************************************************************
* pmm interface
****************************************************************/