@@ -277,10 +277,17 @@ config SYS_MALLOC_F_LEN
default 0x10000 if ARCH_IMX8 || ARCH_IMX8M
default 0x2000
help
- Before relocation, memory is very limited on many platforms. Still,
- we can provide a small malloc() pool if needed. Driver model in
- particular needs this to operate, so that it can allocate the
- initial serial device and any others that are needed.
+ Size of the malloc() pool for use before relocation. If
+ this is defined, then a very simple malloc() implementation
+ will become available before relocation. The address is just
+ below the global data, and the stack is moved down to make
+ space.
+
+ This feature allocates regions with increasing addresses
+ within the region. calloc() is supported, but realloc()
+ is not available. free() is supported but does nothing.
+ The memory will be freed (or in fact just forgotten) when
+ U-Boot relocates itself.
config SYS_MALLOC_LEN
hex "Define memory for Dynamic allocation"
@@ -1281,24 +1281,6 @@ Configuration Settings:
- CONFIG_SYS_MALLOC_LEN:
Size of DRAM reserved for malloc() use.
-- CONFIG_SYS_MALLOC_F_LEN
- Size of the malloc() pool for use before relocation. If
- this is defined, then a very simple malloc() implementation
- will become available before relocation. The address is just
- below the global data, and the stack is moved down to make
- space.
-
- This feature allocates regions with increasing addresses
- within the region. calloc() is supported, but realloc()
- is not available. free() is supported but does nothing.
- The memory will be freed (or in fact just forgotten) when
- U-Boot relocates itself.
-
-- CONFIG_SYS_MALLOC_SIMPLE
- Provides a simple and small malloc() and calloc() for those
- boards which do not use the full malloc in SPL (which is
- enabled with CONFIG_SPL_SYS_MALLOC).
-
- CFG_SYS_BOOTMAPSZ:
Maximum size of memory mapped by the startup code of
the Linux kernel; all data that must be processed by
@@ -106,7 +106,7 @@ sp start
Early malloc usage
amount of memory used in the early malloc memory and its maximum size
- as defined by CONFIGSYS_MALLOC_F_LEN
+ as defined by CONFIG_SYS_MALLOC_F_LEN
Configuration
-------------
Move the useful help to Kconfig. Drop mention of CONFIG_SYS_MALLOC_SIMPLE since it doesn't exist. Correct a 'CONFIGSYS_MALLOC_F_LEN' typo Signed-off-by: Simon Glass <sjg@chromium.org> --- Changes in v3: - Add new patch to clean up SYS_MALLOC_SIMPLE documentation Kconfig | 15 +++++++++++---- README | 18 ------------------ doc/usage/cmd/bdinfo.rst | 2 +- 3 files changed, 12 insertions(+), 23 deletions(-)