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authorYi Chou <yich@google.com>2024-01-08 13:54:55 +0800
committerJulius Werner <jwerner@chromium.org>2024-01-11 21:02:30 +0000
commitdf327f4a88bcfd6bc5db8256698f9e293bb9e03f (patch)
treef0cefdc8a956361bf2be1978e1042496ed587ecc /payloads/libpayload
parente34a1f98151be7a58aaa4f6ec83f9cdd0a803ea1 (diff)
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>
Diffstat (limited to 'payloads/libpayload')
-rw-r--r--payloads/libpayload/arch/arm64/libpayload.ldscript2
-rw-r--r--payloads/libpayload/arch/arm64/mmu.c7
2 files changed, 5 insertions, 4 deletions
diff --git a/payloads/libpayload/arch/arm64/libpayload.ldscript b/payloads/libpayload/arch/arm64/libpayload.ldscript
index c9881f7ec0..4042e45055 100644
--- a/payloads/libpayload/arch/arm64/libpayload.ldscript
+++ b/payloads/libpayload/arch/arm64/libpayload.ldscript
@@ -62,8 +62,6 @@ SECTIONS
}
.bss : {
- *(.ttb_buffer)
-
_bss = .;
*(.sbss)
*(.sbss.*)
diff --git a/payloads/libpayload/arch/arm64/mmu.c b/payloads/libpayload/arch/arm64/mmu.c
index 5865b1b9ef..9fc227dc8b 100644
--- a/payloads/libpayload/arch/arm64/mmu.c
+++ b/payloads/libpayload/arch/arm64/mmu.c
@@ -41,8 +41,11 @@ static unsigned int max_tables;
static uint64_t *xlat_addr;
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[] = {
[TYPE_NORMAL_MEM] = "normal",