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acpi: Add support for reporting CrashLog in BERT table

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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>
This commit is contained in:
Francois Toguo
2021-01-21 09:55:19 -08:00
committed by Patrick Georgi
parent 5f30ae3714
commit 522e0dbdaa
7 changed files with 109 additions and 0 deletions
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23
src/acpi/acpi.c
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@@ -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) {