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Remove dead code related to LOAD_IMAGE_V2=0

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Commit ed51b51f7a ("Remove build option LOAD_IMAGE_V2") intended
to remove all code related to LOAD_IMAGE_V2=0 but missed a few things.

Change-Id: I16aaf52779dd4af1e134e682731328c5f1e5d622
Signed-off-by: Sandrine Bailleux <sandrine.bailleux@arm.com>
This commit is contained in:
Sandrine Bailleux 2019-01-30 16:27:16 +01:00
parent c3faf745c4
commit c4e9d827ee
3 changed files with 0 additions and 94 deletions
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86
common/bl_common.c
View file

@ -58,92 +58,6 @@ uintptr_t page_align(uintptr_t value, unsigned dir)
return value;
}
/******************************************************************************
* Determine whether the memory region delimited by 'addr' and 'size' is free,
* given the extents of free memory.
* Return 1 if it is free, 0 if it is not free or if the input values are
* invalid.
*****************************************************************************/
int is_mem_free(uintptr_t free_base, size_t free_size,
uintptr_t addr, size_t size)
{
uintptr_t free_end, requested_end;
/*
* Handle corner cases first.
*
* The order of the 2 tests is important, because if there's no space
* left (i.e. free_size == 0) but we don't ask for any memory
* (i.e. size == 0) then we should report that the memory is free.
*/
if (size == 0)
return 1; /* A zero-byte region is always free */
if (free_size == 0)
return 0;
/*
* Check that the end addresses don't overflow.
* If they do, consider that this memory region is not free, as this
* is an invalid scenario.
*/
if (check_uptr_overflow(free_base, free_size - 1))
return 0;
free_end = free_base + (free_size - 1);
if (check_uptr_overflow(addr, size - 1))
return 0;
requested_end = addr + (size - 1);
/*
* Finally, check that the requested memory region lies within the free
* region.
*/
return (addr >= free_base) && (requested_end <= free_end);
}
/* Generic function to return the size of an image */
size_t get_image_size(unsigned int image_id)
{
uintptr_t dev_handle;
uintptr_t image_handle;
uintptr_t image_spec;
size_t image_size = 0U;
int io_result;
/* Obtain a reference to the image by querying the platform layer */
io_result = plat_get_image_source(image_id, &dev_handle, &image_spec);
if (io_result != 0) {
WARN("Failed to obtain reference to image id=%u (%i)\n",
image_id, io_result);
return 0;
}
/* Attempt to access the image */
io_result = io_open(dev_handle, image_spec, &image_handle);
if (io_result != 0) {
WARN("Failed to access image id=%u (%i)\n",
image_id, io_result);
return 0;
}
/* Find the size of the image */
io_result = io_size(image_handle, &image_size);
if ((io_result != 0) || (image_size == 0U)) {
WARN("Failed to determine the size of the image id=%u (%i)\n",
image_id, io_result);
}
io_result = io_close(image_handle);
/* Ignore improbable/unrecoverable error in 'close' */
/* TODO: Consider maintaining open device connection from this
* bootloader stage
*/
io_result = io_dev_close(dev_handle);
/* Ignore improbable/unrecoverable error in 'dev_close' */
return image_size;
}
/*******************************************************************************
* Internal function to load an image at a specific address given
* an image ID and extents of free memory.

3
docs/porting-guide.rst
View file

@ -1198,9 +1198,6 @@ the BL1 stage.
meminfo.total_base = Base address of secure RAM visible to BL1
meminfo.total_size = Size of secure RAM visible to BL1
meminfo.free_base = Base address of secure RAM available for allocation
to BL1
meminfo.free_size = Size of secure RAM available for allocation to BL1
This information is used by BL1 to load the BL2 image in secure RAM. BL1 also
populates a similar structure to tell BL2 the extents of memory available for

5
include/common/bl_common.h
View file

@ -189,11 +189,6 @@ typedef struct bl_params {
/*******************************************************************************
* Function & variable prototypes
******************************************************************************/
size_t get_image_size(unsigned int image_id);
int is_mem_free(uintptr_t free_base, size_t free_size,
uintptr_t addr, size_t size);
int load_auth_image(unsigned int image_id, image_info_t *image_data);
#if TRUSTED_BOARD_BOOT && defined(DYN_DISABLE_AUTH)