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authorAndroid Build Coastguard Worker <android-build-coastguard-worker@google.com>2023-08-02 03:00:34 +0000
committerAndroid Build Coastguard Worker <android-build-coastguard-worker@google.com>2023-08-02 03:00:34 +0000
commitfc5ebdddf52ba09cb0578f226d21b44f70ed8751 (patch)
tree6898a30945ec9326fbfeeaebfc5775d2055df3c6
parent5fc1cb8265c2ea6be5c103f3d39746ca1522de43 (diff)
parent222ba497c1337c6f25ec0d4bcb4cff2782a52665 (diff)
downloadaoc-android-gs-bluejay-5.10-u-beta5.2.tar.gz
Change-Id: Ic552c40fb1ee89b42a3eeaa339bf85dc4245f499
-rw-r--r--aoc.c50
1 files changed, 28 insertions, 22 deletions
diff --git a/aoc.c b/aoc.c
index c304dc4..3a366f9 100644
--- a/aoc.c
+++ b/aoc.c
@@ -2554,14 +2554,16 @@ static irqreturn_t watchdog_int_handler(int irq, void *dev)
return IRQ_HANDLED;
}
-static int compute_section_offset(struct aoc_ramdump_header *ramdump_header, int section_index)
+static struct aoc_section_header *find_ramdump_section(struct aoc_ramdump_header
+ *ramdump_header, int section_type)
{
- int i, crash_info_section_offset = RAMDUMP_SECTION_SRAM_OFFSET;
+ int i;
- for (i = 0; i < section_index; i++)
- crash_info_section_offset += ramdump_header->sections[i].size;
+ for (i = 0; i < ramdump_header->num_sections; i++)
+ if (ramdump_header->sections[i].type == section_type)
+ return &ramdump_header->sections[i];
- return crash_info_section_offset;
+ return NULL;
}
static void aoc_watchdog(struct work_struct *work)
@@ -2586,10 +2588,9 @@ static void aoc_watchdog(struct work_struct *work)
int sscd_rc;
char crash_info[RAMDUMP_SECTION_CRASH_INFO_SIZE];
int restart_rc;
- u32 section_flags;
bool ap_reset = false;
- int crash_info_section_offset = compute_section_offset(ramdump_header,
- RAMDUMP_SECTION_CRASH_INFO_INDEX);
+ struct aoc_section_header *crash_info_section =
+ find_ramdump_section(ramdump_header, SECTION_TYPE_CRASH_INFO);
prvdata->total_restarts++;
@@ -2644,16 +2645,23 @@ static void aoc_watchdog(struct work_struct *work)
}
if (!ramdump_header->valid) {
- const char *crash_reason = (const char *)ramdump_header +
- crash_info_section_offset;
- bool crash_reason_valid = (strnlen(crash_reason,
- sizeof(crash_info)) != 0);
-
dev_err(prvdata->dev, "aoc coredump timed out, coredump only contains DRAM\n");
- snprintf(crash_info, sizeof(crash_info),
- "AoC watchdog : %s (incomplete %u:%u)",
- crash_reason_valid ? crash_reason : "unknown reason",
- ramdump_header->breadcrumbs[0], ramdump_header->breadcrumbs[1]);
+ if (crash_info_section) {
+ const char *crash_reason = (const char *)ramdump_header +
+ crash_info_section->offset;
+ bool crash_reason_valid = (strnlen(crash_reason,
+ sizeof(crash_info)) != 0);
+
+ snprintf(crash_info, sizeof(crash_info),
+ "AoC watchdog : %s (incomplete %u:%u)",
+ crash_reason_valid ? crash_reason : "unknown reason",
+ ramdump_header->breadcrumbs[0], ramdump_header->breadcrumbs[1]);
+ } else {
+ dev_err(prvdata->dev, "could not find crash info section in aoc coredump header");
+ snprintf(crash_info, sizeof(crash_info),
+ "AoC watchdog : unknown reason (incomplete %u:%u)",
+ ramdump_header->breadcrumbs[0], ramdump_header->breadcrumbs[1]);
+ }
}
if (ramdump_header->valid && memcmp(ramdump_header, RAMDUMP_MAGIC, sizeof(RAMDUMP_MAGIC))) {
@@ -2681,11 +2689,9 @@ static void aoc_watchdog(struct work_struct *work)
}
if (ramdump_header->valid) {
- const char *crash_reason = (const char *)ramdump_header +
- crash_info_section_offset;
-
- section_flags = ramdump_header->sections[RAMDUMP_SECTION_CRASH_INFO_INDEX].flags;
- if (section_flags & RAMDUMP_FLAG_VALID) {
+ if (crash_info_section && crash_info_section->flags & RAMDUMP_FLAG_VALID) {
+ const char *crash_reason = (const char *)ramdump_header +
+ crash_info_section->offset;
dev_info(prvdata->dev, "aoc coredump has valid coredump header, crash reason [%s]",
crash_reason);
strscpy(crash_info, crash_reason, sizeof(crash_info));