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authorFurquan Shaikh <furquan@google.com>2014-11-08 17:19:31 -0800
committerPatrick Georgi <pgeorgi@google.com>2015-03-21 11:03:31 +0100
commit6b322cc6199bd5dd29345b35b43209b3511e1112 (patch)
tree730abde0313e11873fe3dacb305c228709021fc8 /payloads
parent522f9c6df168acfbeb91ae21e5b2451c9dde86fb (diff)
libpayload: Add support for parsing RAMOOPS range from coreboot
CQ-DEPEND=CL:228856 BUG=chrome-os-partner:33676 BRANCH=None TEST=Compiles and boots to kernel prompt. ramoops console log verified after causing kernel to fault. Change-Id: I5af9b995113ee30ac60347acba8fa945fb5cd17a Signed-off-by: Patrick Georgi <pgeorgi@chromium.org> Original-Commit-Id: 80c843fc78b137eb5540f8fefc4a69545b896fb6 Original-Change-Id: I8886015977e1fd999ef74fe73d08cff935cbce5c Original-Signed-off-by: Furquan Shaikh <furquan@google.com> Original-Reviewed-on: https://chromium-review.googlesource.com/228742 Original-Reviewed-by: Furquan Shaikh <furquan@chromium.org> Original-Tested-by: Furquan Shaikh <furquan@chromium.org> Original-Commit-Queue: Furquan Shaikh <furquan@chromium.org> Reviewed-on: http://review.coreboot.org/8754 Tested-by: build bot (Jenkins) Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Diffstat (limited to 'payloads')
-rw-r--r--payloads/libpayload/include/coreboot_tables.h1
-rw-r--r--payloads/libpayload/include/sysinfo.h2
-rw-r--r--payloads/libpayload/libc/coreboot.c11
3 files changed, 14 insertions, 0 deletions
diff --git a/payloads/libpayload/include/coreboot_tables.h b/payloads/libpayload/include/coreboot_tables.h
index 72c2ad8d58..e9c159d8bc 100644
--- a/payloads/libpayload/include/coreboot_tables.h
+++ b/payloads/libpayload/include/coreboot_tables.h
@@ -188,6 +188,7 @@ struct cb_gpios {
#define CB_TAG_VBNV 0x0019
#define CB_TAG_VBOOT_HANDOFF 0x0020
#define CB_TAG_DMA 0x0022
+#define CB_TAG_RAM_OOPS 0x0023
struct lb_range {
uint32_t tag;
uint32_t size;
diff --git a/payloads/libpayload/include/sysinfo.h b/payloads/libpayload/include/sysinfo.h
index 7252f35218..825e4ef2ad 100644
--- a/payloads/libpayload/include/sysinfo.h
+++ b/payloads/libpayload/include/sysinfo.h
@@ -115,6 +115,8 @@ struct sysinfo_t {
void *acpi_gnvs;
u32 board_id;
void *wifi_calibration;
+ uint64_t ramoops_buffer;
+ uint32_t ramoops_buffer_size;
};
extern struct sysinfo_t lib_sysinfo;
diff --git a/payloads/libpayload/libc/coreboot.c b/payloads/libpayload/libc/coreboot.c
index 2f4536cbea..489adf4a9f 100644
--- a/payloads/libpayload/libc/coreboot.c
+++ b/payloads/libpayload/libc/coreboot.c
@@ -189,6 +189,14 @@ static void cb_parse_wifi_calibration(void *ptr, struct sysinfo_t *info)
info->wifi_calibration = phys_to_virt(cbmem->cbmem_tab);
}
+static void cb_parse_ramoops(void *ptr, struct sysinfo_t *info)
+{
+ struct lb_range *ramoops = (struct lb_range *)ptr;
+
+ info->ramoops_buffer = ramoops->range_start;
+ info->ramoops_buffer_size = ramoops->range_size;
+}
+
int cb_parse_header(void *addr, int len, struct sysinfo_t *info)
{
struct cb_header *header;
@@ -324,6 +332,9 @@ int cb_parse_header(void *addr, int len, struct sysinfo_t *info)
case CB_TAG_WIFI_CALIBRATION:
cb_parse_wifi_calibration(ptr, info);
break;
+ case CB_TAG_RAM_OOPS:
+ cb_parse_ramoops(ptr, info);
+ break;
default:
cb_parse_arch_specific(rec, info);
break;