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Diffstat (limited to 'src/arch/x86/boot/acpi.c')
-rw-r--r--src/arch/x86/boot/acpi.c83
1 files changed, 83 insertions, 0 deletions
diff --git a/src/arch/x86/boot/acpi.c b/src/arch/x86/boot/acpi.c
index f17e73e3f6..010ba9f6ff 100644
--- a/src/arch/x86/boot/acpi.c
+++ b/src/arch/x86/boot/acpi.c
@@ -467,6 +467,89 @@ void acpi_write_rsdp(acpi_rsdp_t *rsdp, acpi_rsdt_t *rsdt, acpi_xsdt_t *xsdt)
rsdp->ext_checksum = acpi_checksum((void *)rsdp, sizeof(acpi_rsdp_t));
}
+unsigned long __attribute__((weak)) acpi_fill_hest(acpi_hest_t *hest)
+{
+ return (unsigned long)hest;
+}
+
+unsigned long acpi_create_hest_error_source(acpi_hest_t *hest, acpi_hest_esd_t *esd, u16 type, void *data, u16 data_len)
+{
+ acpi_header_t *header = &(hest->header);
+ acpi_hest_hen_t *hen;
+ void *pos;
+ u16 len;
+
+ pos = esd;
+ memset(pos, 0, sizeof(acpi_hest_esd_t));
+ len = 0;
+ esd->type = type; /* MCE */
+ esd->source_id = hest->error_source_count;
+ esd->flags = 0; /* FIRMWARE_FIRST */
+ esd->enabled = 1;
+ esd->prealloc_erecords = 1;
+ esd->max_section_per_record = 0x1;
+
+ len += sizeof(acpi_hest_esd_t);
+ pos = esd + 1;
+
+ switch (type) {
+ case 0: /* MCE */
+ break;
+ case 1: /* CMC */
+ hen = (acpi_hest_hen_t *) (pos);
+ memset(pos, 0, sizeof(acpi_hest_hen_t));
+ hen->type = 3; /* SCI? */
+ hen->length = sizeof(acpi_hest_hen_t);
+ hen->conf_we = 0; /* Configuration Write Enable. */
+ hen->poll_interval = 0;
+ hen->vector = 0;
+ hen->sw2poll_threshold_val = 0;
+ hen->sw2poll_threshold_win = 0;
+ hen->error_threshold_val = 0;
+ hen->error_threshold_win = 0;
+ len += sizeof(acpi_hest_hen_t);
+ pos = hen + 1;
+ break;
+ case 2: /* NMI */
+ case 6: /* AER Root Port */
+ case 7: /* AER Endpoint */
+ case 8: /* AER Bridge */
+ case 9: /* Generic Hardware Error Source. */
+ /* TODO: */
+ break;
+ default:
+ printk(BIOS_DEBUG, "Invalid type of Error Source.");
+ break;
+ }
+ hest->error_source_count ++;
+
+ memcpy(pos, data, data_len);
+ len += data_len;
+ header->length += len;
+
+ return len;
+}
+
+/* ACPI 4.0 */
+void acpi_write_hest(acpi_hest_t *hest)
+{
+ acpi_header_t *header = &(hest->header);
+
+ memset(hest, 0, sizeof(acpi_hest_t));
+
+ memcpy(header->signature, "HEST", 4);
+ memcpy(header->oem_id, OEM_ID, 6);
+ memcpy(header->oem_table_id, ACPI_TABLE_CREATOR, 8);
+ memcpy(header->asl_compiler_id, ASLC, 4);
+ header->length += sizeof(acpi_hest_t);
+ header->revision = 1;
+
+ acpi_fill_hest(hest);
+
+ /* Calculate checksums. */
+ header->checksum = acpi_checksum((void *)hest, header->length);
+}
+
#if CONFIG_HAVE_ACPI_RESUME == 1
void suspend_resume(void)
{