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authorFrancois Toguo <francois.toguo.fotso@intel.com>2021-01-21 09:55:19 -0800
committerPatrick Georgi <pgeorgi@google.com>2021-02-04 10:21:02 +0000
commit522e0dbdaa46dde5363ad4c50a11938ae2f17a0d (patch)
tree7f4c2ddd84f8069b9f2fad2a9c0586ed3a959a5f /src/acpi/acpi.c
parent5f30ae3714d7535d3ce061b30e3292c6ac62cb6f (diff)
acpi: Add support for reporting CrashLog in BERT table
Crash Data are collected and sent to the OS via the ACPI BERT. BUG=None TEST=Built, and BERT successfully generated in the crashLog flow. Signed-off-by: Francois Toguo <francois.toguo.fotso@intel.com> Change-Id: I00e390d735d61beac2e89a726e39119d9b06b3df Signed-off-by: Nikunj A. Dadhania <nikunj.dadhania@intel.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/49799 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
Diffstat (limited to 'src/acpi/acpi.c')
-rw-r--r--src/acpi/acpi.c23
1 files changed, 23 insertions, 0 deletions
diff --git a/src/acpi/acpi.c b/src/acpi/acpi.c
index 05ada084ab..fc1368990e 100644
--- a/src/acpi/acpi.c
+++ b/src/acpi/acpi.c
@@ -1331,6 +1331,14 @@ unsigned long acpi_create_lpi_desc_ncst(acpi_lpi_desc_ncst_t *lpi_desc, uint16_t
return lpi_desc->header.length;
}
+/* BERT helpers */
+bool __weak acpi_is_boot_error_src_present(void)
+{
+ return false;
+}
+
+__weak void acpi_soc_fill_bert(acpi_bert_t *bert, void **region, size_t *length) {}
+
unsigned long __weak fw_cfg_acpi_tables(unsigned long start)
{
return 0;
@@ -1352,6 +1360,7 @@ unsigned long write_acpi_tables(unsigned long start)
acpi_tpm2_t *tpm2;
acpi_madt_t *madt;
acpi_lpit_t *lpit;
+ acpi_bert_t *bert;
struct device *dev;
unsigned long fw;
size_t slic_size, dsdt_size;
@@ -1573,6 +1582,20 @@ unsigned long write_acpi_tables(unsigned long start)
current = acpi_align_current(current);
+ if (acpi_is_boot_error_src_present()) {
+ void *region;
+ size_t size;
+ printk(BIOS_DEBUG, "ACPI: * BERT\n");
+ bert = (acpi_bert_t *) current;
+ acpi_soc_fill_bert(bert, &region, &size);
+ acpi_write_bert(bert, (uintptr_t)region, size);
+ if (bert->header.length >= sizeof(acpi_bert_t)) {
+ current += bert->header.length;
+ acpi_add_table(rsdp, bert);
+ }
+ current = acpi_align_current(current);
+ }
+
printk(BIOS_DEBUG, "current = %lx\n", current);
for (dev = all_devices; dev; dev = dev->next) {