diff options
Diffstat (limited to 'drivers/acpi/tables/tbrsdt.c')
-rw-r--r-- | drivers/acpi/tables/tbrsdt.c | 190 |
1 files changed, 83 insertions, 107 deletions
diff --git a/drivers/acpi/tables/tbrsdt.c b/drivers/acpi/tables/tbrsdt.c index 069d498465d0..ad0252c2f7db 100644 --- a/drivers/acpi/tables/tbrsdt.c +++ b/drivers/acpi/tables/tbrsdt.c @@ -41,14 +41,11 @@ * POSSIBILITY OF SUCH DAMAGES. */ - #include <acpi/acpi.h> #include <acpi/actables.h> - #define _COMPONENT ACPI_TABLES - ACPI_MODULE_NAME ("tbrsdt") - +ACPI_MODULE_NAME("tbrsdt") /******************************************************************************* * @@ -61,18 +58,13 @@ * DESCRIPTION: Load and validate the RSDP (ptr) and RSDT (table) * ******************************************************************************/ - -acpi_status -acpi_tb_verify_rsdp ( - struct acpi_pointer *address) +acpi_status acpi_tb_verify_rsdp(struct acpi_pointer *address) { - struct acpi_table_desc table_info; - acpi_status status; - struct rsdp_descriptor *rsdp; - - - ACPI_FUNCTION_TRACE ("tb_verify_rsdp"); + struct acpi_table_desc table_info; + acpi_status status; + struct rsdp_descriptor *rsdp; + ACPI_FUNCTION_TRACE("tb_verify_rsdp"); switch (address->pointer_type) { case ACPI_LOGICAL_POINTER: @@ -84,54 +76,53 @@ acpi_tb_verify_rsdp ( /* * Obtain access to the RSDP structure */ - status = acpi_os_map_memory (address->pointer.physical, - sizeof (struct rsdp_descriptor), - (void *) &rsdp); - if (ACPI_FAILURE (status)) { - return_ACPI_STATUS (status); + status = acpi_os_map_memory(address->pointer.physical, + sizeof(struct rsdp_descriptor), + (void *)&rsdp); + if (ACPI_FAILURE(status)) { + return_ACPI_STATUS(status); } break; default: - return_ACPI_STATUS (AE_BAD_PARAMETER); + return_ACPI_STATUS(AE_BAD_PARAMETER); } /* Verify RSDP signature and checksum */ - status = acpi_tb_validate_rsdp (rsdp); - if (ACPI_FAILURE (status)) { + status = acpi_tb_validate_rsdp(rsdp); + if (ACPI_FAILURE(status)) { goto cleanup; } /* The RSDP supplied is OK */ - table_info.pointer = ACPI_CAST_PTR (struct acpi_table_header, rsdp); - table_info.length = sizeof (struct rsdp_descriptor); - table_info.allocation = ACPI_MEM_MAPPED; + table_info.pointer = ACPI_CAST_PTR(struct acpi_table_header, rsdp); + table_info.length = sizeof(struct rsdp_descriptor); + table_info.allocation = ACPI_MEM_MAPPED; /* Save the table pointers and allocation info */ - status = acpi_tb_init_table_descriptor (ACPI_TABLE_RSDP, &table_info); - if (ACPI_FAILURE (status)) { + status = acpi_tb_init_table_descriptor(ACPI_TABLE_RSDP, &table_info); + if (ACPI_FAILURE(status)) { goto cleanup; } /* Save the RSDP in a global for easy access */ - acpi_gbl_RSDP = ACPI_CAST_PTR (struct rsdp_descriptor, table_info.pointer); - return_ACPI_STATUS (status); - + acpi_gbl_RSDP = + ACPI_CAST_PTR(struct rsdp_descriptor, table_info.pointer); + return_ACPI_STATUS(status); /* Error exit */ -cleanup: + cleanup: if (acpi_gbl_table_flags & ACPI_PHYSICAL_POINTER) { - acpi_os_unmap_memory (rsdp, sizeof (struct rsdp_descriptor)); + acpi_os_unmap_memory(rsdp, sizeof(struct rsdp_descriptor)); } - return_ACPI_STATUS (status); + return_ACPI_STATUS(status); } - /******************************************************************************* * * FUNCTION: acpi_tb_get_rsdt_address @@ -145,33 +136,30 @@ cleanup: * ******************************************************************************/ -void -acpi_tb_get_rsdt_address ( - struct acpi_pointer *out_address) +void acpi_tb_get_rsdt_address(struct acpi_pointer *out_address) { - ACPI_FUNCTION_ENTRY (); - + ACPI_FUNCTION_ENTRY(); - out_address->pointer_type = acpi_gbl_table_flags | ACPI_LOGICAL_ADDRESSING; + out_address->pointer_type = + acpi_gbl_table_flags | ACPI_LOGICAL_ADDRESSING; /* Use XSDT if it is present */ if ((acpi_gbl_RSDP->revision >= 2) && - acpi_gbl_RSDP->xsdt_physical_address) { + acpi_gbl_RSDP->xsdt_physical_address) { out_address->pointer.value = - acpi_gbl_RSDP->xsdt_physical_address; + acpi_gbl_RSDP->xsdt_physical_address; acpi_gbl_root_table_type = ACPI_TABLE_TYPE_XSDT; - } - else { + } else { /* No XSDT, use the RSDT */ - out_address->pointer.value = acpi_gbl_RSDP->rsdt_physical_address; + out_address->pointer.value = + acpi_gbl_RSDP->rsdt_physical_address; acpi_gbl_root_table_type = ACPI_TABLE_TYPE_RSDT; } } - /******************************************************************************* * * FUNCTION: acpi_tb_validate_rsdt @@ -184,49 +172,43 @@ acpi_tb_get_rsdt_address ( * ******************************************************************************/ -acpi_status -acpi_tb_validate_rsdt ( - struct acpi_table_header *table_ptr) +acpi_status acpi_tb_validate_rsdt(struct acpi_table_header *table_ptr) { - int no_match; - - - ACPI_FUNCTION_NAME ("tb_validate_rsdt"); + int no_match; + ACPI_FUNCTION_NAME("tb_validate_rsdt"); /* * Search for appropriate signature, RSDT or XSDT */ if (acpi_gbl_root_table_type == ACPI_TABLE_TYPE_RSDT) { - no_match = ACPI_STRNCMP ((char *) table_ptr, RSDT_SIG, - sizeof (RSDT_SIG) -1); - } - else { - no_match = ACPI_STRNCMP ((char *) table_ptr, XSDT_SIG, - sizeof (XSDT_SIG) -1); + no_match = ACPI_STRNCMP((char *)table_ptr, RSDT_SIG, + sizeof(RSDT_SIG) - 1); + } else { + no_match = ACPI_STRNCMP((char *)table_ptr, XSDT_SIG, + sizeof(XSDT_SIG) - 1); } if (no_match) { /* Invalid RSDT or XSDT signature */ - ACPI_REPORT_ERROR (( - "Invalid signature where RSDP indicates RSDT/XSDT should be located\n")); + ACPI_REPORT_ERROR(("Invalid signature where RSDP indicates RSDT/XSDT should be located\n")); - ACPI_DUMP_BUFFER (acpi_gbl_RSDP, 20); + ACPI_DUMP_BUFFER(acpi_gbl_RSDP, 20); - ACPI_DEBUG_PRINT_RAW ((ACPI_DB_ERROR, - "RSDT/XSDT signature at %X (%p) is invalid\n", - acpi_gbl_RSDP->rsdt_physical_address, - (void *) (acpi_native_uint) acpi_gbl_RSDP->rsdt_physical_address)); + ACPI_DEBUG_PRINT_RAW((ACPI_DB_ERROR, + "RSDT/XSDT signature at %X (%p) is invalid\n", + acpi_gbl_RSDP->rsdt_physical_address, + (void *)(acpi_native_uint) acpi_gbl_RSDP-> + rsdt_physical_address)); if (acpi_gbl_root_table_type == ACPI_TABLE_TYPE_RSDT) { - ACPI_REPORT_ERROR (("Looking for RSDT\n")) - } - else { - ACPI_REPORT_ERROR (("Looking for XSDT\n")) + ACPI_REPORT_ERROR(("Looking for RSDT\n")) + } else { + ACPI_REPORT_ERROR(("Looking for XSDT\n")) } - ACPI_DUMP_BUFFER ((char *) table_ptr, 48); + ACPI_DUMP_BUFFER((char *)table_ptr, 48); return (AE_BAD_SIGNATURE); } @@ -234,7 +216,6 @@ acpi_tb_validate_rsdt ( return (AE_OK); } - /******************************************************************************* * * FUNCTION: acpi_tb_get_table_rsdt @@ -247,66 +228,61 @@ acpi_tb_validate_rsdt ( * ******************************************************************************/ -acpi_status -acpi_tb_get_table_rsdt ( - void) +acpi_status acpi_tb_get_table_rsdt(void) { - struct acpi_table_desc table_info; - acpi_status status; - struct acpi_pointer address; - - - ACPI_FUNCTION_TRACE ("tb_get_table_rsdt"); + struct acpi_table_desc table_info; + acpi_status status; + struct acpi_pointer address; + ACPI_FUNCTION_TRACE("tb_get_table_rsdt"); /* Get the RSDT/XSDT via the RSDP */ - acpi_tb_get_rsdt_address (&address); + acpi_tb_get_rsdt_address(&address); table_info.type = ACPI_TABLE_XSDT; - status = acpi_tb_get_table (&address, &table_info); - if (ACPI_FAILURE (status)) { - ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Could not get the RSDT/XSDT, %s\n", - acpi_format_exception (status))); + status = acpi_tb_get_table(&address, &table_info); + if (ACPI_FAILURE(status)) { + ACPI_DEBUG_PRINT((ACPI_DB_ERROR, + "Could not get the RSDT/XSDT, %s\n", + acpi_format_exception(status))); - return_ACPI_STATUS (status); + return_ACPI_STATUS(status); } - ACPI_DEBUG_PRINT ((ACPI_DB_INFO, - "RSDP located at %p, points to RSDT physical=%8.8X%8.8X \n", - acpi_gbl_RSDP, - ACPI_FORMAT_UINT64 (address.pointer.value))); + ACPI_DEBUG_PRINT((ACPI_DB_INFO, + "RSDP located at %p, points to RSDT physical=%8.8X%8.8X \n", + acpi_gbl_RSDP, + ACPI_FORMAT_UINT64(address.pointer.value))); /* Check the RSDT or XSDT signature */ - status = acpi_tb_validate_rsdt (table_info.pointer); - if (ACPI_FAILURE (status)) { - return_ACPI_STATUS (status); + status = acpi_tb_validate_rsdt(table_info.pointer); + if (ACPI_FAILURE(status)) { + return_ACPI_STATUS(status); } /* Get the number of tables defined in the RSDT or XSDT */ - acpi_gbl_rsdt_table_count = acpi_tb_get_table_count (acpi_gbl_RSDP, - table_info.pointer); + acpi_gbl_rsdt_table_count = acpi_tb_get_table_count(acpi_gbl_RSDP, + table_info.pointer); /* Convert and/or copy to an XSDT structure */ - status = acpi_tb_convert_to_xsdt (&table_info); - if (ACPI_FAILURE (status)) { - return_ACPI_STATUS (status); + status = acpi_tb_convert_to_xsdt(&table_info); + if (ACPI_FAILURE(status)) { + return_ACPI_STATUS(status); } /* Save the table pointers and allocation info */ - status = acpi_tb_init_table_descriptor (ACPI_TABLE_XSDT, &table_info); - if (ACPI_FAILURE (status)) { - return_ACPI_STATUS (status); + status = acpi_tb_init_table_descriptor(ACPI_TABLE_XSDT, &table_info); + if (ACPI_FAILURE(status)) { + return_ACPI_STATUS(status); } - acpi_gbl_XSDT = ACPI_CAST_PTR (XSDT_DESCRIPTOR, table_info.pointer); + acpi_gbl_XSDT = ACPI_CAST_PTR(XSDT_DESCRIPTOR, table_info.pointer); - ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "XSDT located at %p\n", acpi_gbl_XSDT)); - return_ACPI_STATUS (status); + ACPI_DEBUG_PRINT((ACPI_DB_INFO, "XSDT located at %p\n", acpi_gbl_XSDT)); + return_ACPI_STATUS(status); } - - |