diff options
Diffstat (limited to 'src/arch/x86/acpi.c')
| -rw-r--r-- | src/arch/x86/acpi.c | 53 |
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); |