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libpayload: Move back the ttb_buffer section 

Moving it into the .ttb_buffer section will accidentally set the LOAD
flag. So, move it back to .bss.ttb_buffer section to prevent the binary
size bloating.

BUG=b:248610274
TEST=Make sure the device is still bootable with this change.
BRANCH=none

Cq-Depend: chromium:5173448
Change-Id: I9bb08878dd4be01d9ed3f96933f774dd6296f76e
Signed-off-by: Yi Chou <yich@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/79800
Reviewed-by: Julius Werner <jwerner@chromium.org>
Reviewed-by: Paul Menzel <paulepanter@mailbox.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
This commit is contained in:
Yi Chou 2024-01-08 13:54:55 +08:00 committed by Julius Werner
parent e34a1f9815
commit df327f4a88
2 changed files with 5 additions and 4 deletions
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2
payloads/libpayload/arch/arm64/libpayload.ldscript
View File

@ -62,8 +62,6 @@ SECTIONS
} }
.bss : { .bss : {
*(.ttb_buffer)
_bss = .; _bss = .;
*(.sbss) *(.sbss)
*(.sbss.*) *(.sbss.*)

7
payloads/libpayload/arch/arm64/mmu.c
View File

@ -41,8 +41,11 @@ static unsigned int max_tables;
static uint64_t *xlat_addr; static uint64_t *xlat_addr;
static int free_idx; static int free_idx;
static uint8_t ttb_buffer[TTB_DEFAULT_SIZE] __aligned(GRANULE_SIZE)
__attribute__((__section__(".ttb_buffer"))); /* We refer to this in the linker script for ChormeOS's depthcharge payload
* and to please not change the name without discussing with us.
* Please contact: jwerner@chromium.org or yich@chromium.org */
static uint8_t ttb_buffer[TTB_DEFAULT_SIZE] __aligned(GRANULE_SIZE);
static const char * const tag_to_string[] = { static const char * const tag_to_string[] = {
[TYPE_NORMAL_MEM] = "normal", [TYPE_NORMAL_MEM] = "normal",