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-rw-r--r--common/Makefile3
-rw-r--r--common/board_r.c3
-rw-r--r--common/dlmalloc.c19
-rw-r--r--common/malloc_simple.c39
-rw-r--r--include/asm-generic/global_data.h1
-rw-r--r--include/malloc.h60
6 files changed, 87 insertions, 38 deletions
diff --git a/common/Makefile b/common/Makefile
index 6cc4de8..7a5c58e 100644
--- a/common/Makefile
+++ b/common/Makefile
@@ -251,6 +251,9 @@ obj-$(CONFIG_BOUNCE_BUFFER) += bouncebuf.o
obj-y += console.o
obj-$(CONFIG_CROS_EC) += cros_ec.o
obj-y += dlmalloc.o
+ifdef CONFIG_SYS_MALLOC_F_LEN
+obj-y += malloc_simple.o
+endif
obj-y += image.o
obj-$(CONFIG_ANDROID_BOOT_IMAGE) += image-android.o
obj-$(CONFIG_OF_LIBFDT) += image-fdt.o
diff --git a/common/board_r.c b/common/board_r.c
index 7c33900..19c6427 100644
--- a/common/board_r.c
+++ b/common/board_r.c
@@ -99,7 +99,8 @@ static int initr_trace(void)
static int initr_reloc(void)
{
- gd->flags |= GD_FLG_RELOC; /* tell others: relocation done */
+ /* tell others: relocation done */
+ gd->flags |= GD_FLG_RELOC | GD_FLG_FULL_MALLOC_INIT;
bootstage_mark_name(BOOTSTAGE_ID_START_UBOOT_R, "board_init_r");
return 0;
diff --git a/common/dlmalloc.c b/common/dlmalloc.c
index 991229d..6453ee9 100644
--- a/common/dlmalloc.c
+++ b/common/dlmalloc.c
@@ -2184,17 +2184,8 @@ Void_t* mALLOc(bytes) size_t bytes;
INTERNAL_SIZE_T nb;
#ifdef CONFIG_SYS_MALLOC_F_LEN
- if (gd && !(gd->flags & GD_FLG_RELOC)) {
- ulong new_ptr;
- void *ptr;
-
- new_ptr = gd->malloc_ptr + bytes;
- if (new_ptr > gd->malloc_limit)
- panic("Out of pre-reloc memory");
- ptr = map_sysmem(gd->malloc_base + gd->malloc_ptr, bytes);
- gd->malloc_ptr = ALIGN(new_ptr, sizeof(new_ptr));
- return ptr;
- }
+ if (gd && !(gd->flags & GD_FLG_FULL_MALLOC_INIT))
+ return malloc_simple(bytes);
#endif
/* check if mem_malloc_init() was run */
@@ -2462,7 +2453,7 @@ void fREe(mem) Void_t* mem;
#ifdef CONFIG_SYS_MALLOC_F_LEN
/* free() is a no-op - all the memory will be freed on relocation */
- if (!(gd->flags & GD_FLG_RELOC))
+ if (!(gd->flags & GD_FLG_FULL_MALLOC_INIT))
return;
#endif
@@ -2618,7 +2609,7 @@ Void_t* rEALLOc(oldmem, bytes) Void_t* oldmem; size_t bytes;
if (oldmem == NULL) return mALLOc(bytes);
#ifdef CONFIG_SYS_MALLOC_F_LEN
- if (!(gd->flags & GD_FLG_RELOC)) {
+ if (!(gd->flags & GD_FLG_FULL_MALLOC_INIT)) {
/* This is harder to support and should not be needed */
panic("pre-reloc realloc() is not supported");
}
@@ -2970,7 +2961,7 @@ Void_t* cALLOc(n, elem_size) size_t n; size_t elem_size;
else
{
#ifdef CONFIG_SYS_MALLOC_F_LEN
- if (!(gd->flags & GD_FLG_RELOC)) {
+ if (!(gd->flags & GD_FLG_FULL_MALLOC_INIT)) {
MALLOC_ZERO(mem, sz);
return mem;
}
diff --git a/common/malloc_simple.c b/common/malloc_simple.c
new file mode 100644
index 0000000..afdacff
--- /dev/null
+++ b/common/malloc_simple.c
@@ -0,0 +1,39 @@
+/*
+ * Simple malloc implementation
+ *
+ * Copyright (c) 2014 Google, Inc
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <malloc.h>
+#include <asm/io.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+void *malloc_simple(size_t bytes)
+{
+ ulong new_ptr;
+ void *ptr;
+
+ new_ptr = gd->malloc_ptr + bytes;
+ if (new_ptr > gd->malloc_limit)
+ panic("Out of pre-reloc memory");
+ ptr = map_sysmem(gd->malloc_base + gd->malloc_ptr, bytes);
+ gd->malloc_ptr = ALIGN(new_ptr, sizeof(new_ptr));
+ return ptr;
+}
+
+#ifdef CONFIG_SYS_MALLOC_SIMPLE
+void *calloc(size_t nmemb, size_t elem_size)
+{
+ size_t size = nmemb * elem_size;
+ void *ptr;
+
+ ptr = malloc(size);
+ memset(ptr, '\0', size);
+
+ return ptr;
+}
+#endif
diff --git a/include/asm-generic/global_data.h b/include/asm-generic/global_data.h
index 74df210..5e5dc37 100644
--- a/include/asm-generic/global_data.h
+++ b/include/asm-generic/global_data.h
@@ -107,5 +107,6 @@ typedef struct global_data {
#define GD_FLG_DISABLE_CONSOLE 0x00040 /* Disable console (in & out) */
#define GD_FLG_ENV_READY 0x00080 /* Env. imported into hash table */
#define GD_FLG_SERIAL_READY 0x00100 /* Pre-reloc serial console ready */
+#define GD_FLG_FULL_MALLOC_INIT 0x00200 /* Full malloc() is ready */
#endif /* __ASM_GENERIC_GBL_DATA_H */
diff --git a/include/malloc.h b/include/malloc.h
index c33f3b4..5df6348 100644
--- a/include/malloc.h
+++ b/include/malloc.h
@@ -872,33 +872,46 @@ extern Void_t* sbrk();
#else
-#ifdef USE_DL_PREFIX
-#define cALLOc dlcalloc
-#define fREe dlfree
-#define mALLOc dlmalloc
-#define mEMALIGn dlmemalign
-#define rEALLOc dlrealloc
-#define vALLOc dlvalloc
-#define pvALLOc dlpvalloc
-#define mALLINFo dlmallinfo
-#define mALLOPt dlmallopt
-#else /* USE_DL_PREFIX */
-#define cALLOc calloc
-#define fREe free
-#define mALLOc malloc
-#define mEMALIGn memalign
-#define rEALLOc realloc
-#define vALLOc valloc
-#define pvALLOc pvalloc
-#define mALLINFo mallinfo
-#define mALLOPt mallopt
-#endif /* USE_DL_PREFIX */
+#ifdef CONFIG_SYS_MALLOC_SIMPLE
+#define malloc malloc_simple
+#define realloc realloc_simple
+#define memalign memalign_simple
+static inline void free(void *ptr) {}
+void *calloc(size_t nmemb, size_t size);
+void *memalign_simple(size_t alignment, size_t bytes);
+void *realloc_simple(void *ptr, size_t size);
+#else
+
+# ifdef USE_DL_PREFIX
+# define cALLOc dlcalloc
+# define fREe dlfree
+# define mALLOc dlmalloc
+# define mEMALIGn dlmemalign
+# define rEALLOc dlrealloc
+# define vALLOc dlvalloc
+# define pvALLOc dlpvalloc
+# define mALLINFo dlmallinfo
+# define mALLOPt dlmallopt
+# else /* USE_DL_PREFIX */
+# define cALLOc calloc
+# define fREe free
+# define mALLOc malloc
+# define mEMALIGn memalign
+# define rEALLOc realloc
+# define vALLOc valloc
+# define pvALLOc pvalloc
+# define mALLINFo mallinfo
+# define mALLOPt mallopt
+# endif /* USE_DL_PREFIX */
#endif
/* Public routines */
-#if __STD_C
+/* Simple versions which can be used when space is tight */
+void *malloc_simple(size_t size);
+
+# if __STD_C
Void_t* mALLOc(size_t);
void fREe(Void_t*);
@@ -913,7 +926,7 @@ size_t malloc_usable_size(Void_t*);
void malloc_stats(void);
int mALLOPt(int, int);
struct mallinfo mALLINFo(void);
-#else
+# else
Void_t* mALLOc();
void fREe();
Void_t* rEALLOc();
@@ -927,6 +940,7 @@ size_t malloc_usable_size();
void malloc_stats();
int mALLOPt();
struct mallinfo mALLINFo();
+# endif
#endif
/*