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Diffstat (limited to 'src')
-rw-r--r--src/arch/x86/acpi.c53
1 files changed, 52 insertions, 1 deletions
diff --git a/src/arch/x86/acpi.c b/src/arch/x86/acpi.c
index d1dcd03652..bf9813cbfe 100644
--- a/src/arch/x86/acpi.c
+++ b/src/arch/x86/acpi.c
@@ -218,6 +218,9 @@ void acpi_create_madt(acpi_madt_t *madt)
memset((void *)madt, 0, sizeof(acpi_madt_t));
+ if (!header)
+ return;
+
/* Fill out header fields. */
memcpy(header->signature, "APIC", 4);
memcpy(header->oem_id, OEM_ID, 6);
@@ -248,6 +251,9 @@ void acpi_create_mcfg(acpi_mcfg_t *mcfg)
memset((void *)mcfg, 0, sizeof(acpi_mcfg_t));
+ if (!header)
+ return;
+
/* Fill out header fields. */
memcpy(header->signature, "MCFG", 4);
memcpy(header->oem_id, OEM_ID, 6);
@@ -302,6 +308,9 @@ static void acpi_create_tcpa(acpi_tcpa_t *tcpa)
if (!lasa)
return;
+ if (!header)
+ return;
+
/* Fill out header fields. */
memcpy(header->signature, "TCPA", 4);
memcpy(header->oem_id, OEM_ID, 6);
@@ -361,6 +370,9 @@ static void acpi_create_tpm2(acpi_tpm2_t *tpm2)
if (!lasa)
tpm2_log_len = 0;
+ if (!header)
+ return;
+
/* Fill out header fields. */
memcpy(header->signature, "TPM2", 4);
memcpy(header->oem_id, OEM_ID, 6);
@@ -481,6 +493,9 @@ void acpi_create_srat(acpi_srat_t *srat,
memset((void *)srat, 0, sizeof(acpi_srat_t));
+ if (!header)
+ return;
+
/* Fill out header fields. */
memcpy(header->signature, "SRAT", 4);
memcpy(header->oem_id, OEM_ID, 6);
@@ -508,6 +523,9 @@ void acpi_create_dmar(acpi_dmar_t *dmar, enum dmar_flags flags,
memset((void *)dmar, 0, sizeof(acpi_dmar_t));
+ if (!header)
+ return;
+
/* Fill out header fields. */
memcpy(header->signature, "DMAR", 4);
memcpy(header->oem_id, OEM_ID, 6);
@@ -669,6 +687,9 @@ void acpi_create_slit(acpi_slit_t *slit,
memset((void *)slit, 0, sizeof(acpi_slit_t));
+ if (!header)
+ return;
+
/* Fill out header fields. */
memcpy(header->signature, "SLIT", 4);
memcpy(header->oem_id, OEM_ID, 6);
@@ -694,6 +715,9 @@ void acpi_create_hpet(acpi_hpet_t *hpet)
memset((void *)hpet, 0, sizeof(acpi_hpet_t));
+ if (!header)
+ return;
+
/* Fill out header fields. */
memcpy(header->signature, "HPET", 4);
memcpy(header->oem_id, OEM_ID, 6);
@@ -728,6 +752,9 @@ void acpi_create_vfct(struct device *device,
memset((void *)vfct, 0, sizeof(struct acpi_vfct));
+ if (!header)
+ return;
+
/* Fill out header fields. */
memcpy(header->signature, "VFCT", 4);
memcpy(header->oem_id, OEM_ID, 6);
@@ -754,6 +781,9 @@ void acpi_create_ivrs(acpi_ivrs_t *ivrs,
memset((void *)ivrs, 0, sizeof(acpi_ivrs_t));
+ if (!header)
+ return;
+
/* Fill out header fields. */
memcpy(header->signature, "IVRS", 4);
memcpy(header->oem_id, OEM_ID, 6);
@@ -807,6 +837,10 @@ void acpi_create_dbg2(acpi_dbg2_header_t *dbg2,
current = (uintptr_t)dbg2;
memset(dbg2, 0, sizeof(acpi_dbg2_header_t));
header = &(dbg2->header);
+
+ if (!header)
+ return;
+
header->revision = get_acpi_table_revision(DBG2);
memcpy(header->signature, "DBG2", 4);
memcpy(header->oem_id, OEM_ID, 6);
@@ -926,6 +960,9 @@ static void acpi_write_rsdt(acpi_rsdt_t *rsdt, char *oem_id, char *oem_table_id)
{
acpi_header_t *header = &(rsdt->header);
+ if (!header)
+ return;
+
/* Fill out header fields. */
memcpy(header->signature, "RSDT", 4);
memcpy(header->oem_id, oem_id, 6);
@@ -946,6 +983,9 @@ static void acpi_write_xsdt(acpi_xsdt_t *xsdt, char *oem_id, char *oem_table_id)
{
acpi_header_t *header = &(xsdt->header);
+ if (!header)
+ return;
+
/* Fill out header fields. */
memcpy(header->signature, "XSDT", 4);
memcpy(header->oem_id, oem_id, 6);
@@ -1046,7 +1086,8 @@ unsigned long acpi_create_hest_error_source(acpi_hest_t *hest,
memcpy(pos, data, data_len);
len += data_len;
- header->length += len;
+ if (header)
+ header->length += len;
return len;
}
@@ -1059,6 +1100,9 @@ void acpi_write_hest(acpi_hest_t *hest,
memset(hest, 0, sizeof(acpi_hest_t));
+ if (!header)
+ return;
+
memcpy(header->signature, "HEST", 4);
memcpy(header->oem_id, OEM_ID, 6);
memcpy(header->oem_table_id, ACPI_TABLE_CREATOR, 8);
@@ -1080,6 +1124,9 @@ void acpi_write_bert(acpi_bert_t *bert, uintptr_t region, size_t length)
memset(bert, 0, sizeof(acpi_bert_t));
+ if (!header)
+ return;
+
memcpy(header->signature, "BERT", 4);
memcpy(header->oem_id, OEM_ID, 6);
memcpy(header->oem_table_id, ACPI_TABLE_CREATOR, 8);
@@ -1101,6 +1148,10 @@ void acpi_create_fadt(acpi_fadt_t *fadt, acpi_facs_t *facs, void *dsdt)
acpi_header_t *header = &(fadt->header);
memset((void *) fadt, 0, sizeof(acpi_fadt_t));
+
+ if (!header)
+ return;
+
memcpy(header->signature, "FACP", 4);
header->length = sizeof(acpi_fadt_t);
header->revision = get_acpi_table_revision(FADT);