acpi/acpi.c: Reduce boilerplate
Adding tables to R/XSDT, aligning current pointer, computing checksum is a lot of boilerplate that needs to be done for each table. TESTED on foxconn/g41. Signed-off-by: Arthur Heymans <arthur@aheymans.xyz> Change-Id: If4915b8cdfcfdbb34284ea75fa8a0fd23554152d Reviewed-on: https://review.coreboot.org/c/coreboot/+/76127 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
This commit is contained in:
Arthur Heymans
committed by
Felix Held
Felix Held
parent
5b9957be0a
commit
01af0f8ac8
319
src/acpi/acpi.c
319
src/acpi/acpi.c
@@ -338,13 +338,11 @@ static unsigned long acpi_create_madt_lapics_with_nmis(unsigned long current)
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return current;
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}
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static void acpi_create_madt(acpi_madt_t *madt)
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static void acpi_create_madt(acpi_header_t *header, void *unused)
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{
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acpi_header_t *header = &(madt->header);
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acpi_madt_t *madt = (acpi_madt_t *)header;
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unsigned long current = (unsigned long)madt + sizeof(acpi_madt_t);
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memset((void *)madt, 0, sizeof(acpi_madt_t));
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if (!header)
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return;
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@@ -371,10 +369,8 @@ static void acpi_create_madt(acpi_madt_t *madt)
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if (CONFIG(ACPI_CUSTOM_MADT))
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current = acpi_fill_madt(current);
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/* (Re)calculate length and checksum. */
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/* (Re)calculate length . */
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header->length = current - (unsigned long)madt;
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header->checksum = acpi_checksum((void *)madt, header->length);
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}
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static unsigned long acpi_fill_mcfg(unsigned long current)
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@@ -386,13 +382,11 @@ static unsigned long acpi_fill_mcfg(unsigned long current)
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}
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/* MCFG is defined in the PCI Firmware Specification 3.0. */
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static void acpi_create_mcfg(acpi_mcfg_t *mcfg)
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static void acpi_create_mcfg(acpi_header_t *header, void *unused)
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{
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acpi_header_t *header = &(mcfg->header);
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acpi_mcfg_t *mcfg = (acpi_mcfg_t *)header;
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unsigned long current = (unsigned long)mcfg + sizeof(acpi_mcfg_t);
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memset((void *)mcfg, 0, sizeof(acpi_mcfg_t));
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if (!header)
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return;
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@@ -409,9 +403,8 @@ static void acpi_create_mcfg(acpi_mcfg_t *mcfg)
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if (CONFIG(ECAM_MMCONF_SUPPORT))
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current = acpi_fill_mcfg(current);
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/* (Re)calculate length and checksum. */
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/* (Re)calculate length */
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header->length = current - (unsigned long)mcfg;
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header->checksum = acpi_checksum((void *)mcfg, header->length);
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}
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static void *get_tcpa_log(u32 *size)
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@@ -439,14 +432,15 @@ static void *get_tcpa_log(u32 *size)
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return lasa;
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}
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static void acpi_create_tcpa(acpi_tcpa_t *tcpa)
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static void acpi_create_tcpa(acpi_header_t *header, void *unused)
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{
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acpi_header_t *header = &(tcpa->header);
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if (!CONFIG(TPM1))
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return;
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acpi_tcpa_t *tcpa = (acpi_tcpa_t *)header;
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u32 tcpa_log_len;
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void *lasa;
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memset((void *)tcpa, 0, sizeof(acpi_tcpa_t));
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lasa = get_tcpa_log(&tcpa_log_len);
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if (!lasa)
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return;
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@@ -467,9 +461,6 @@ static void acpi_create_tcpa(acpi_tcpa_t *tcpa)
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tcpa->platform_class = 0;
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tcpa->laml = tcpa_log_len;
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tcpa->lasa = (uintptr_t)lasa;
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/* Calculate checksum. */
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header->checksum = acpi_checksum((void *)tcpa, header->length);
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}
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static void *get_tpm2_log(u32 *size)
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@@ -497,14 +488,15 @@ static void *get_tpm2_log(u32 *size)
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return lasa;
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}
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static void acpi_create_tpm2(acpi_tpm2_t *tpm2)
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static void acpi_create_tpm2(acpi_header_t *header, void *unused)
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{
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acpi_header_t *header = &(tpm2->header);
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if (!CONFIG(TPM2))
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return;
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acpi_tpm2_t *tpm2 = (acpi_tpm2_t *)header;
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u32 tpm2_log_len;
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void *lasa;
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memset((void *)tpm2, 0, sizeof(acpi_tpm2_t));
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/*
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* Some payloads like SeaBIOS depend on log area to use TPM2.
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* Get the memory size and address of TPM2 log area or initialize it.
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@@ -542,9 +534,6 @@ static void acpi_create_tpm2(acpi_tpm2_t *tpm2)
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/* Fill the log area size and start address fields. */
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tpm2->laml = tpm2_log_len;
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tpm2->lasa = (uintptr_t)lasa;
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/* Calculate checksum. */
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header->checksum = acpi_checksum((void *)tpm2, header->length);
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}
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static void acpi_ssdt_write_cbtable(void)
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@@ -570,7 +559,7 @@ static void acpi_ssdt_write_cbtable(void)
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acpigen_pop_len();
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}
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static void acpi_create_ssdt_generator(acpi_header_t *ssdt, const char *oem_table_id)
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static void acpi_create_ssdt_generator(acpi_header_t *ssdt, void *unused)
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{
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unsigned long current = (unsigned long)ssdt + sizeof(acpi_header_t);
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@@ -579,7 +568,7 @@ static void acpi_create_ssdt_generator(acpi_header_t *ssdt, const char *oem_tabl
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memcpy(&ssdt->signature, "SSDT", 4);
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ssdt->revision = get_acpi_table_revision(SSDT);
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memcpy(&ssdt->oem_id, OEM_ID, 6);
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memcpy(&ssdt->oem_table_id, oem_table_id, 8);
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memcpy(&ssdt->oem_table_id, ACPI_TABLE_CREATOR, 8);
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ssdt->oem_revision = 42;
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memcpy(&ssdt->asl_compiler_id, ASLC, 4);
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ssdt->asl_compiler_revision = asl_revision;
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@@ -600,7 +589,6 @@ static void acpi_create_ssdt_generator(acpi_header_t *ssdt, const char *oem_tabl
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/* (Re)calculate length and checksum. */
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ssdt->length = current - (unsigned long)ssdt;
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ssdt->checksum = acpi_checksum((void *)ssdt, ssdt->length);
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}
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int acpi_create_srat_lapic(acpi_srat_lapic_t *lapic, u8 node, u8 apic)
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@@ -1504,9 +1492,9 @@ unsigned long acpi_write_dbg2_pci_uart(acpi_rsdp_t *rsdp, unsigned long current,
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return current;
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}
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static void acpi_create_facs(acpi_facs_t *facs)
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static void acpi_create_facs(void *header)
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{
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memset((void *)facs, 0, sizeof(acpi_facs_t));
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acpi_facs_t *facs = header;
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memcpy(facs->signature, "FACS", 4);
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facs->length = sizeof(acpi_facs_t);
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@@ -1681,15 +1669,21 @@ void acpi_write_hest(acpi_hest_t *hest,
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}
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/* ACPI 3.0b */
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static void acpi_write_bert(acpi_bert_t *bert, uintptr_t region, size_t length)
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static void acpi_create_bert(acpi_header_t *header, void *unused)
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{
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acpi_header_t *header = &(bert->header);
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if (!CONFIG(ACPI_BERT))
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return;
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memset(bert, 0, sizeof(acpi_bert_t));
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acpi_bert_t *bert = (acpi_bert_t *)header;
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if (!header)
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return;
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void *region;
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size_t size;
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if (acpi_soc_get_bert_region(®ion, &size) != CB_SUCCESS)
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return;
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memcpy(header->signature, "BERT", 4);
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memcpy(header->oem_id, OEM_ID, 6);
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memcpy(header->oem_table_id, ACPI_TABLE_CREATOR, 8);
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@@ -1698,22 +1692,19 @@ static void acpi_write_bert(acpi_bert_t *bert, uintptr_t region, size_t length)
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header->length += sizeof(acpi_bert_t);
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header->revision = get_acpi_table_revision(BERT);
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bert->error_region = region;
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bert->region_length = length;
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/* Calculate checksums. */
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header->checksum = acpi_checksum((void *)bert, header->length);
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bert->error_region = (uintptr_t)region;
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bert->region_length = (size_t)size;
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}
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__weak void arch_fill_fadt(acpi_fadt_t *fadt) { }
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__weak void soc_fill_fadt(acpi_fadt_t *fadt) { }
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__weak void mainboard_fill_fadt(acpi_fadt_t *fadt) { }
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static void acpi_create_fadt(acpi_fadt_t *fadt, acpi_facs_t *facs, void *dsdt)
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static acpi_header_t *dsdt;
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static void acpi_create_fadt(acpi_header_t *header, void *arg1)
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{
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acpi_header_t *header = &(fadt->header);
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memset((void *)fadt, 0, sizeof(acpi_fadt_t));
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acpi_fadt_t *fadt = (acpi_fadt_t *)header;
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acpi_facs_t *facs = (acpi_facs_t *)(*(acpi_facs_t **)arg1);
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if (!header)
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return;
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@@ -1756,17 +1747,15 @@ static void acpi_create_fadt(acpi_fadt_t *fadt, acpi_facs_t *facs, void *dsdt)
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soc_fill_fadt(fadt);
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mainboard_fill_fadt(fadt);
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header->checksum =
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acpi_checksum((void *)fadt, header->length);
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}
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static void acpi_create_lpit(acpi_lpit_t *lpit)
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static void acpi_create_lpit(acpi_header_t *header, void *unused)
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{
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acpi_header_t *header = &(lpit->header);
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unsigned long current = (unsigned long)lpit + sizeof(acpi_lpit_t);
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if (!CONFIG(ACPI_LPIT))
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return;
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memset((void *)lpit, 0, sizeof(acpi_lpit_t));
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acpi_lpit_t *lpit = (acpi_lpit_t *)header;
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unsigned long current = (unsigned long)lpit + sizeof(acpi_lpit_t);
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if (!header)
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return;
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@@ -1784,9 +1773,8 @@ static void acpi_create_lpit(acpi_lpit_t *lpit)
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current = acpi_fill_lpit(current);
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/* (Re)calculate length and checksum. */
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/* (Re)calculate length. */
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header->length = current - (unsigned long)lpit;
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header->checksum = acpi_checksum((void *)lpit, header->length);
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}
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unsigned long acpi_create_lpi_desc_ncst(acpi_lpi_desc_ncst_t *lpi_desc, uint16_t uid)
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@@ -1811,14 +1799,11 @@ static uint8_t acpi_spcr_type(void)
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return 0xff;
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}
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static void acpi_create_spcr(acpi_spcr_t *spcr)
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static void acpi_create_spcr(acpi_header_t *header, void *unused)
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{
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acpi_header_t *header = &(spcr->header);
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acpi_spcr_t *spcr = (acpi_spcr_t *)header;
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struct lb_serial serial;
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/* The caller checks the header size, so call this first */
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memset((void *)spcr, 0, sizeof(acpi_spcr_t));
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if (!CONFIG(CONSOLE_SERIAL))
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return;
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@@ -1886,6 +1871,46 @@ void preload_acpi_dsdt(void)
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cbfs_preload(file);
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}
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static void acpi_create_dsdt(acpi_header_t *header, void *dsdt_file_arg)
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{
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dsdt = header;
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acpi_header_t *dsdt_file = *(acpi_header_t **)dsdt_file_arg;
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unsigned long current = (unsigned long)header;
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dsdt = (acpi_header_t *)current;
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memcpy(dsdt, dsdt_file, sizeof(acpi_header_t));
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if (dsdt->length >= sizeof(acpi_header_t)) {
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current += sizeof(acpi_header_t);
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acpigen_set_current((char *)current);
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if (CONFIG(ACPI_SOC_NVS))
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acpi_fill_gnvs();
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if (CONFIG(CHROMEOS_NVS))
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acpi_fill_cnvs();
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for (const struct device *dev = all_devices; dev; dev = dev->next)
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if (dev->ops && dev->ops->acpi_inject_dsdt)
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dev->ops->acpi_inject_dsdt(dev);
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current = (unsigned long)acpigen_get_current();
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memcpy((char *)current,
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(char *)dsdt_file + sizeof(acpi_header_t),
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dsdt->length - sizeof(acpi_header_t));
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current += dsdt->length - sizeof(acpi_header_t);
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/* (Re)calculate length. */
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dsdt->length = current - (unsigned long)dsdt;
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}
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}
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static void acpi_create_slic(acpi_header_t *header, void *slic_file_arg)
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{
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acpi_header_t *slic_file = *(acpi_header_t **)slic_file_arg;
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acpi_header_t *slic = header;
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if (slic_file)
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memcpy(slic, slic_file, slic_file->length);
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}
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static uintptr_t coreboot_rsdp;
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uintptr_t get_coreboot_rsdp(void)
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@@ -1931,22 +1956,33 @@ unsigned long write_acpi_tables(const unsigned long start)
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acpi_rsdp_t *rsdp;
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acpi_rsdt_t *rsdt = NULL;
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acpi_xsdt_t *xsdt = NULL;
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acpi_fadt_t *fadt = NULL;
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acpi_facs_t *facs = NULL;
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acpi_header_t *slic_file, *slic = NULL;
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acpi_header_t *slic_file;
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acpi_header_t *ssdt = NULL;
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acpi_header_t *dsdt_file, *dsdt = NULL;
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acpi_mcfg_t *mcfg = NULL;
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acpi_tcpa_t *tcpa = NULL;
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acpi_tpm2_t *tpm2 = NULL;
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acpi_madt_t *madt = NULL;
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acpi_lpit_t *lpit = NULL;
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acpi_bert_t *bert = NULL;
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acpi_header_t *dsdt_file;
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struct device *dev;
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unsigned long fw;
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size_t slic_size, dsdt_size;
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char oem_id[6], oem_table_id[8];
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const struct acpi_table_generator {
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void (*create_table)(acpi_header_t *table, void *arg);
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void *args;
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size_t min_size;
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} tables[] = {
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{ acpi_create_dsdt, &dsdt_file, sizeof(acpi_header_t) },
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{ acpi_create_fadt, &facs, sizeof(acpi_fadt_t) },
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{ acpi_create_slic, &slic_file, sizeof(acpi_header_t) },
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{ acpi_create_ssdt_generator, NULL, sizeof(acpi_header_t) },
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{ acpi_create_mcfg, NULL, sizeof(acpi_mcfg_t) },
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{ acpi_create_tcpa, NULL, sizeof(acpi_tcpa_t) },
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{ acpi_create_tpm2, NULL, sizeof(acpi_tpm2_t) },
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{ acpi_create_lpit, NULL, sizeof(acpi_lpit_t) },
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{ acpi_create_madt, NULL, sizeof(acpi_header_t) },
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{ acpi_create_bert, NULL, sizeof(acpi_bert_t) },
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{ acpi_create_spcr, NULL, sizeof(acpi_spcr_t) },
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};
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current = start;
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/* Align ACPI tables to 16byte */
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@@ -1992,7 +2028,7 @@ unsigned long write_acpi_tables(const unsigned long start)
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ssdt->length = current - (unsigned long)ssdt;
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ssdt->checksum = acpi_checksum((void *)ssdt, ssdt->length);
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acpi_create_ssdt_generator(ssdt, ACPI_TABLE_CREATOR);
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acpi_create_ssdt_generator(ssdt, NULL);
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acpi_add_table(rsdp, ssdt);
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@@ -2052,59 +2088,26 @@ unsigned long write_acpi_tables(const unsigned long start)
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acpi_write_rsdt(rsdt, oem_id, oem_table_id);
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acpi_write_xsdt(xsdt, oem_id, oem_table_id);
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printk(BIOS_DEBUG, "ACPI: * FACS\n");
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current = ALIGN_UP(current, 64);
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printk(BIOS_DEBUG, "ACPI: * FACS\n");
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facs = (acpi_facs_t *)current;
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current += sizeof(acpi_facs_t);
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current = acpi_align_current(current);
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acpi_create_facs(facs);
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printk(BIOS_DEBUG, "ACPI: * DSDT\n");
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dsdt = (acpi_header_t *)current;
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memcpy(dsdt, dsdt_file, sizeof(acpi_header_t));
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if (dsdt->length >= sizeof(acpi_header_t)) {
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current += sizeof(acpi_header_t);
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acpigen_set_current((char *)current);
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if (CONFIG(ACPI_SOC_NVS))
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acpi_fill_gnvs();
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if (CONFIG(CHROMEOS_NVS))
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acpi_fill_cnvs();
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for (dev = all_devices; dev; dev = dev->next)
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if (dev->ops && dev->ops->acpi_inject_dsdt)
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dev->ops->acpi_inject_dsdt(dev);
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current = (unsigned long)acpigen_get_current();
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memcpy((char *)current,
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(char *)dsdt_file + sizeof(acpi_header_t),
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dsdt->length - sizeof(acpi_header_t));
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||||
current += dsdt->length - sizeof(acpi_header_t);
|
||||
|
||||
/* (Re)calculate length and checksum. */
|
||||
dsdt->length = current - (unsigned long)dsdt;
|
||||
dsdt->checksum = 0;
|
||||
dsdt->checksum = acpi_checksum((void *)dsdt, dsdt->length);
|
||||
}
|
||||
|
||||
current = acpi_align_current(current);
|
||||
|
||||
printk(BIOS_DEBUG, "ACPI: * FADT\n");
|
||||
fadt = (acpi_fadt_t *)current;
|
||||
current += sizeof(acpi_fadt_t);
|
||||
current = acpi_align_current(current);
|
||||
|
||||
acpi_create_fadt(fadt, facs, dsdt);
|
||||
acpi_add_table(rsdp, fadt);
|
||||
|
||||
if (slic_file) {
|
||||
printk(BIOS_DEBUG, "ACPI: * SLIC\n");
|
||||
slic = (acpi_header_t *)current;
|
||||
memcpy(slic, slic_file, slic_file->length);
|
||||
current += slic_file->length;
|
||||
for (size_t i = 0; i < ARRAY_SIZE(tables); i++) {
|
||||
acpi_header_t *header = (acpi_header_t *)current;
|
||||
memset(header, 0, tables[i].min_size);
|
||||
tables[i].create_table(header, tables[i].args);
|
||||
if (header->length < tables[i].min_size)
|
||||
continue;
|
||||
header->checksum = 0;
|
||||
header->checksum = acpi_checksum((void *)header, header->length);
|
||||
current += header->length;
|
||||
current = acpi_align_current(current);
|
||||
acpi_add_table(rsdp, slic);
|
||||
cbfs_unmap(slic_file);
|
||||
printk(BIOS_DEBUG, "ACPI: * %.4s\n", header->signature);
|
||||
acpi_add_table(rsdp, header);
|
||||
}
|
||||
|
||||
/*
|
||||
@@ -2113,95 +2116,9 @@ unsigned long write_acpi_tables(const unsigned long start)
|
||||
* This is why unmapping of dsdt_file must be done after
|
||||
* unmapping slic file.
|
||||
*/
|
||||
cbfs_unmap(slic_file);
|
||||
cbfs_unmap(dsdt_file);
|
||||
|
||||
printk(BIOS_DEBUG, "ACPI: * SSDT\n");
|
||||
ssdt = (acpi_header_t *)current;
|
||||
acpi_create_ssdt_generator(ssdt, ACPI_TABLE_CREATOR);
|
||||
if (ssdt->length > sizeof(acpi_header_t)) {
|
||||
current += ssdt->length;
|
||||
acpi_add_table(rsdp, ssdt);
|
||||
current = acpi_align_current(current);
|
||||
}
|
||||
|
||||
printk(BIOS_DEBUG, "ACPI: * MCFG\n");
|
||||
mcfg = (acpi_mcfg_t *)current;
|
||||
acpi_create_mcfg(mcfg);
|
||||
if (mcfg->header.length > sizeof(acpi_mcfg_t)) {
|
||||
current += mcfg->header.length;
|
||||
current = acpi_align_current(current);
|
||||
acpi_add_table(rsdp, mcfg);
|
||||
}
|
||||
|
||||
if (CONFIG(TPM1)) {
|
||||
printk(BIOS_DEBUG, "ACPI: * TCPA\n");
|
||||
tcpa = (acpi_tcpa_t *)current;
|
||||
acpi_create_tcpa(tcpa);
|
||||
if (tcpa->header.length >= sizeof(acpi_tcpa_t)) {
|
||||
current += tcpa->header.length;
|
||||
current = acpi_align_current(current);
|
||||
acpi_add_table(rsdp, tcpa);
|
||||
}
|
||||
}
|
||||
|
||||
if (CONFIG(TPM2)) {
|
||||
printk(BIOS_DEBUG, "ACPI: * TPM2\n");
|
||||
tpm2 = (acpi_tpm2_t *)current;
|
||||
acpi_create_tpm2(tpm2);
|
||||
if (tpm2->header.length >= sizeof(acpi_tpm2_t)) {
|
||||
current += tpm2->header.length;
|
||||
current = acpi_align_current(current);
|
||||
acpi_add_table(rsdp, tpm2);
|
||||
}
|
||||
}
|
||||
|
||||
if (CONFIG(ACPI_LPIT)) {
|
||||
printk(BIOS_DEBUG, "ACPI: * LPIT\n");
|
||||
|
||||
lpit = (acpi_lpit_t *)current;
|
||||
acpi_create_lpit(lpit);
|
||||
if (lpit->header.length >= sizeof(acpi_lpit_t)) {
|
||||
current += lpit->header.length;
|
||||
current = acpi_align_current(current);
|
||||
acpi_add_table(rsdp, lpit);
|
||||
}
|
||||
}
|
||||
|
||||
printk(BIOS_DEBUG, "ACPI: * MADT\n");
|
||||
|
||||
madt = (acpi_madt_t *)current;
|
||||
acpi_create_madt(madt);
|
||||
if (madt->header.length > sizeof(acpi_madt_t)) {
|
||||
current += madt->header.length;
|
||||
acpi_add_table(rsdp, madt);
|
||||
}
|
||||
|
||||
current = acpi_align_current(current);
|
||||
|
||||
if (CONFIG(ACPI_BERT)) {
|
||||
void *region;
|
||||
size_t size;
|
||||
bert = (acpi_bert_t *)current;
|
||||
if (acpi_soc_get_bert_region(®ion, &size) == CB_SUCCESS) {
|
||||
printk(BIOS_DEBUG, "ACPI: * BERT\n");
|
||||
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, "ACPI: * SPCR\n");
|
||||
acpi_spcr_t * const spcr = (acpi_spcr_t *)current;
|
||||
acpi_create_spcr(spcr);
|
||||
if (spcr->header.length >= sizeof(acpi_spcr_t)) {
|
||||
current += spcr->header.length;
|
||||
acpi_add_table(rsdp, spcr);
|
||||
}
|
||||
current = acpi_align_current(current);
|
||||
|
||||
printk(BIOS_DEBUG, "current = %lx\n", current);
|
||||
|
||||
for (dev = all_devices; dev; dev = dev->next) {
|
||||
|
||||
Reference in New Issue
Block a user