diff options
Diffstat (limited to 'drivers/acpi')
26 files changed, 329 insertions, 133 deletions
diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c index 9c4ac0191f64..b3a214db56f6 100644 --- a/drivers/acpi/bus.c +++ b/drivers/acpi/bus.c @@ -43,7 +43,7 @@ ACPI_MODULE_NAME("acpi_bus") extern void __init acpi_pic_sci_set_trigger(unsigned int irq, u16 trigger); #endif -FADT_DESCRIPTOR acpi_fadt; +struct fadt_descriptor acpi_fadt; EXPORT_SYMBOL(acpi_fadt); struct acpi_device *acpi_root; diff --git a/drivers/acpi/dispatcher/dsmethod.c b/drivers/acpi/dispatcher/dsmethod.c index 238916ce5412..7dc59fc7344f 100644 --- a/drivers/acpi/dispatcher/dsmethod.c +++ b/drivers/acpi/dispatcher/dsmethod.c @@ -502,7 +502,7 @@ void acpi_ds_terminate_control_method(struct acpi_walk_state *walk_state) * Delete any namespace entries created immediately underneath * the method */ - if (method_node->child) { + if (method_node && method_node->child) { acpi_ns_delete_namespace_subtree(method_node); } diff --git a/drivers/acpi/dispatcher/dswexec.c b/drivers/acpi/dispatcher/dswexec.c index 198949f41048..8b740b370eb1 100644 --- a/drivers/acpi/dispatcher/dswexec.c +++ b/drivers/acpi/dispatcher/dswexec.c @@ -49,7 +49,6 @@ #include <acpi/acinterp.h> #include <acpi/acnamesp.h> #include <acpi/acdebug.h> -#include <acpi/acdisasm.h> #define _COMPONENT ACPI_DISPATCHER ACPI_MODULE_NAME("dswexec") diff --git a/drivers/acpi/events/evrgnini.c b/drivers/acpi/events/evrgnini.c index db98747fe54d..d1809f4240a4 100644 --- a/drivers/acpi/events/evrgnini.c +++ b/drivers/acpi/events/evrgnini.c @@ -75,7 +75,18 @@ acpi_ev_system_memory_region_setup(acpi_handle handle, if (function == ACPI_REGION_DEACTIVATE) { if (*region_context) { - ACPI_FREE(*region_context); + local_region_context = + (struct acpi_mem_space_context *)*region_context; + + /* Delete a cached mapping if present */ + + if (local_region_context->mapped_length) { + acpi_os_unmap_memory(local_region_context-> + mapped_logical_address, + local_region_context-> + mapped_length); + } + ACPI_FREE(local_region_context); *region_context = NULL; } return_ACPI_STATUS(AE_OK); diff --git a/drivers/acpi/executer/exdump.c b/drivers/acpi/executer/exdump.c index 56db58b8e23a..1dfebf9e7074 100644 --- a/drivers/acpi/executer/exdump.c +++ b/drivers/acpi/executer/exdump.c @@ -61,6 +61,10 @@ static void acpi_ex_out_pointer(char *title, void *value); static void acpi_ex_out_address(char *title, acpi_physical_address value); +static void +acpi_ex_dump_object(union acpi_operand_object *obj_desc, + struct acpi_exdump_info *info); + static void acpi_ex_dump_reference_obj(union acpi_operand_object *obj_desc); static void @@ -263,7 +267,7 @@ static struct acpi_exdump_info acpi_ex_dump_field_common[7] = { {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(common_field.node), "Parent Node"} }; -static struct acpi_exdump_info acpi_ex_dump_node[6] = { +static struct acpi_exdump_info acpi_ex_dump_node[5] = { {ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_node), NULL}, {ACPI_EXD_UINT8, ACPI_EXD_NSOFFSET(flags), "Flags"}, {ACPI_EXD_UINT8, ACPI_EXD_NSOFFSET(owner_id), "Owner Id"}, diff --git a/drivers/acpi/executer/exnames.c b/drivers/acpi/executer/exnames.c index 80bbc20756a1..085b18f8dd00 100644 --- a/drivers/acpi/executer/exnames.c +++ b/drivers/acpi/executer/exnames.c @@ -179,7 +179,7 @@ static acpi_status acpi_ex_name_segment(u8 ** in_aml_address, char *name_string) for (index = 0; (index < ACPI_NAME_SIZE) - && (acpi_ut_valid_acpi_character(*aml_address)); index++) { + && (acpi_ut_valid_acpi_char(*aml_address, 0)); index++) { char_buf[index] = *aml_address++; ACPI_DEBUG_PRINT((ACPI_DB_LOAD, "%c\n", char_buf[index])); } diff --git a/drivers/acpi/hardware/hwtimer.c b/drivers/acpi/hardware/hwtimer.c index 9d53e46bc331..a559ac17b132 100644 --- a/drivers/acpi/hardware/hwtimer.c +++ b/drivers/acpi/hardware/hwtimer.c @@ -66,7 +66,7 @@ acpi_status acpi_get_timer_resolution(u32 * resolution) return_ACPI_STATUS(AE_BAD_PARAMETER); } - if (0 == acpi_gbl_FADT->tmr_val_ext) { + if (acpi_gbl_FADT->tmr_val_ext == 0) { *resolution = 24; } else { *resolution = 32; @@ -153,7 +153,7 @@ acpi_get_timer_duration(u32 start_ticks, u32 end_ticks, u32 * time_elapsed) if (start_ticks < end_ticks) { delta_ticks = end_ticks - start_ticks; } else if (start_ticks > end_ticks) { - if (0 == acpi_gbl_FADT->tmr_val_ext) { + if (acpi_gbl_FADT->tmr_val_ext == 0) { /* 24-bit Timer */ diff --git a/drivers/acpi/namespace/nsalloc.c b/drivers/acpi/namespace/nsalloc.c index 8b921c96d6a5..c92c03693a16 100644 --- a/drivers/acpi/namespace/nsalloc.c +++ b/drivers/acpi/namespace/nsalloc.c @@ -211,6 +211,8 @@ void acpi_ns_install_node(struct acpi_walk_state *walk_state, struct acpi_namesp acpi_ut_get_node_name(parent_node), acpi_ut_get_type_name(parent_node->type), parent_node)); + + return_VOID; } /******************************************************************************* diff --git a/drivers/acpi/namespace/nsdump.c b/drivers/acpi/namespace/nsdump.c index e275373b1705..5662d2def62f 100644 --- a/drivers/acpi/namespace/nsdump.c +++ b/drivers/acpi/namespace/nsdump.c @@ -204,6 +204,9 @@ acpi_ns_dump_one_object(acpi_handle obj_handle, } if (!acpi_ut_valid_acpi_name(this_node->name.integer)) { + this_node->name.integer = + acpi_ut_repair_name(this_node->name.integer); + ACPI_WARNING((AE_INFO, "Invalid ACPI Name %08X", this_node->name.integer)); } diff --git a/drivers/acpi/namespace/nssearch.c b/drivers/acpi/namespace/nssearch.c index c929f45071c0..51adec5a23d6 100644 --- a/drivers/acpi/namespace/nssearch.c +++ b/drivers/acpi/namespace/nssearch.c @@ -128,9 +128,8 @@ acpi_ns_search_node(u32 target_name, next_node->object); } - /* - * Found matching entry. - */ + /* Found matching entry */ + ACPI_DEBUG_PRINT((ACPI_DB_NAMES, "Name [%4.4s] (%s) %p found in scope [%4.4s] %p\n", ACPI_CAST_PTR(char, &target_name), @@ -248,10 +247,8 @@ acpi_ns_search_parent_tree(u32 target_name, return_ACPI_STATUS(status); } - /* - * Not found here, go up another level - * (until we reach the root) - */ + /* Not found here, go up another level (until we reach the root) */ + parent_node = acpi_ns_get_parent_node(parent_node); } @@ -307,12 +304,29 @@ acpi_ns_search_and_enter(u32 target_name, return_ACPI_STATUS(AE_BAD_PARAMETER); } - /* Name must consist of printable characters */ - + /* + * Name must consist of valid ACPI characters. We will repair the name if + * necessary because we don't want to abort because of this, but we want + * all namespace names to be printable. A warning message is appropriate. + * + * This issue came up because there are in fact machines that exhibit + * this problem, and we want to be able to enable ACPI support for them, + * even though there are a few bad names. + */ if (!acpi_ut_valid_acpi_name(target_name)) { - ACPI_ERROR((AE_INFO, "Bad character in ACPI Name: %X", - target_name)); - return_ACPI_STATUS(AE_BAD_CHARACTER); + target_name = acpi_ut_repair_name(target_name); + + /* Report warning only if in strict mode or debug mode */ + + if (!acpi_gbl_enable_interpreter_slack) { + ACPI_WARNING((AE_INFO, + "Found bad character(s) in name, repaired: [%4.4s]\n", + ACPI_CAST_PTR(char, &target_name))); + } else { + ACPI_DEBUG_PRINT((ACPI_DB_WARN, + "Found bad character(s) in name, repaired: [%4.4s]\n", + ACPI_CAST_PTR(char, &target_name))); + } } /* Try to find the name in the namespace level specified by the caller */ @@ -328,10 +342,8 @@ acpi_ns_search_and_enter(u32 target_name, status = AE_ALREADY_EXISTS; } - /* - * Either found it or there was an error - * -- finished either way - */ + /* Either found it or there was an error: finished either way */ + return_ACPI_STATUS(status); } @@ -357,9 +369,8 @@ acpi_ns_search_and_enter(u32 target_name, } } - /* - * In execute mode, just search, never add names. Exit now. - */ + /* In execute mode, just search, never add names. Exit now */ + if (interpreter_mode == ACPI_IMODE_EXECUTE) { ACPI_DEBUG_PRINT((ACPI_DB_NAMES, "%4.4s Not found in %p [Not adding]\n", @@ -379,6 +390,5 @@ acpi_ns_search_and_enter(u32 target_name, acpi_ns_install_node(walk_state, node, new_node, type); *return_node = new_node; - return_ACPI_STATUS(AE_OK); } diff --git a/drivers/acpi/parser/psloop.c b/drivers/acpi/parser/psloop.c index 14052cb648c1..3a29ce680370 100644 --- a/drivers/acpi/parser/psloop.c +++ b/drivers/acpi/parser/psloop.c @@ -747,7 +747,19 @@ acpi_status acpi_ps_parse_loop(struct acpi_walk_state *walk_state) if (ACPI_FAILURE(status2)) { return_ACPI_STATUS(status2); } + + status2 = + acpi_ds_result_stack_pop + (walk_state); + if (ACPI_FAILURE(status2)) { + return_ACPI_STATUS(status2); + } + + acpi_ut_delete_generic_state + (acpi_ut_pop_generic_state + (&walk_state->control_state)); } + acpi_ps_pop_scope(parser_state, &op, &walk_state->arg_types, &walk_state->arg_count); diff --git a/drivers/acpi/parser/psscope.c b/drivers/acpi/parser/psscope.c index 9233a4044d6b..424ab1c20da5 100644 --- a/drivers/acpi/parser/psscope.c +++ b/drivers/acpi/parser/psscope.c @@ -143,7 +143,7 @@ acpi_ps_init_scope(struct acpi_parse_state * parser_state, acpi_status acpi_ps_push_scope(struct acpi_parse_state *parser_state, union acpi_parse_object *op, - u32 remaining_args, u8 arg_count) + u32 remaining_args, u32 arg_count) { union acpi_generic_state *scope; @@ -196,7 +196,7 @@ acpi_ps_push_scope(struct acpi_parse_state *parser_state, void acpi_ps_pop_scope(struct acpi_parse_state *parser_state, - union acpi_parse_object **op, u32 * arg_list, u8 * arg_count) + union acpi_parse_object **op, u32 * arg_list, u32 * arg_count) { union acpi_generic_state *scope = parser_state->scope; diff --git a/drivers/acpi/resources/rslist.c b/drivers/acpi/resources/rslist.c index 50bbb19bf4ae..1b2d1e717e74 100644 --- a/drivers/acpi/resources/rslist.c +++ b/drivers/acpi/resources/rslist.c @@ -64,10 +64,11 @@ ACPI_MODULE_NAME("rslist") acpi_status acpi_rs_convert_aml_to_resources(u8 * aml, u32 length, - u32 offset, - u8 resource_index, void **resource_ptr) + u32 offset, u8 resource_index, void **context) { - struct acpi_resource *resource = *resource_ptr; + struct acpi_resource **resource_ptr = + ACPI_CAST_INDIRECT_PTR(struct acpi_resource, context); + struct acpi_resource *resource; acpi_status status; ACPI_FUNCTION_TRACE("rs_convert_aml_to_resources"); @@ -76,6 +77,7 @@ acpi_rs_convert_aml_to_resources(u8 * aml, * Check that the input buffer and all subsequent pointers into it * are aligned on a native word boundary. Most important on IA64 */ + resource = *resource_ptr; if (ACPI_IS_MISALIGNED(resource)) { ACPI_WARNING((AE_INFO, "Misaligned resource pointer %p", resource)); diff --git a/drivers/acpi/system.c b/drivers/acpi/system.c index e4308c7a6743..1943bec18848 100644 --- a/drivers/acpi/system.c +++ b/drivers/acpi/system.c @@ -39,7 +39,7 @@ ACPI_MODULE_NAME("acpi_system") #define ACPI_SYSTEM_FILE_EVENT "event" #define ACPI_SYSTEM_FILE_DSDT "dsdt" #define ACPI_SYSTEM_FILE_FADT "fadt" -extern FADT_DESCRIPTOR acpi_fadt; +extern struct fadt_descriptor acpi_fadt; /* -------------------------------------------------------------------------- FS Interface (/proc) diff --git a/drivers/acpi/tables.c b/drivers/acpi/tables.c index 7f37c7cc5ef1..ed5e8816d83d 100644 --- a/drivers/acpi/tables.c +++ b/drivers/acpi/tables.c @@ -282,8 +282,8 @@ acpi_get_table_header_early(enum acpi_table_id id, /* Map the DSDT header via the pointer in the FADT */ if (id == ACPI_DSDT) { - struct fadt_descriptor_rev2 *fadt = - (struct fadt_descriptor_rev2 *)*header; + struct fadt_descriptor *fadt = + (struct fadt_descriptor *)*header; if (fadt->revision == 3 && fadt->Xdsdt) { *header = (void *)__acpi_map_table(fadt->Xdsdt, diff --git a/drivers/acpi/tables/tbconvrt.c b/drivers/acpi/tables/tbconvrt.c index 5155b27cf032..a913a927d321 100644 --- a/drivers/acpi/tables/tbconvrt.c +++ b/drivers/acpi/tables/tbconvrt.c @@ -54,12 +54,12 @@ acpi_tb_init_generic_address(struct acpi_generic_address *new_gas_struct, acpi_physical_address address); static void -acpi_tb_convert_fadt1(struct fadt_descriptor_rev2 *local_fadt, +acpi_tb_convert_fadt1(struct fadt_descriptor *local_fadt, struct fadt_descriptor_rev1 *original_fadt); static void -acpi_tb_convert_fadt2(struct fadt_descriptor_rev2 *local_fadt, - struct fadt_descriptor_rev2 *original_fadt); +acpi_tb_convert_fadt2(struct fadt_descriptor *local_fadt, + struct fadt_descriptor *original_fadt); u8 acpi_fadt_is_v1; ACPI_EXPORT_SYMBOL(acpi_fadt_is_v1) @@ -120,7 +120,7 @@ acpi_status acpi_tb_convert_to_xsdt(struct acpi_table_desc *table_info) { acpi_size table_size; u32 i; - XSDT_DESCRIPTOR *new_table; + struct xsdt_descriptor *new_table; ACPI_FUNCTION_ENTRY(); @@ -151,12 +151,12 @@ acpi_status acpi_tb_convert_to_xsdt(struct acpi_table_desc *table_info) if (acpi_gbl_root_table_type == ACPI_TABLE_TYPE_RSDT) { ACPI_STORE_ADDRESS(new_table->table_offset_entry[i], (ACPI_CAST_PTR - (struct rsdt_descriptor_rev1, + (struct rsdt_descriptor, table_info->pointer))-> table_offset_entry[i]); } else { new_table->table_offset_entry[i] = - (ACPI_CAST_PTR(XSDT_DESCRIPTOR, + (ACPI_CAST_PTR(struct xsdt_descriptor, table_info->pointer))-> table_offset_entry[i]; } @@ -218,7 +218,7 @@ acpi_tb_init_generic_address(struct acpi_generic_address *new_gas_struct, ******************************************************************************/ static void -acpi_tb_convert_fadt1(struct fadt_descriptor_rev2 *local_fadt, +acpi_tb_convert_fadt1(struct fadt_descriptor *local_fadt, struct fadt_descriptor_rev1 *original_fadt) { @@ -364,14 +364,13 @@ acpi_tb_convert_fadt1(struct fadt_descriptor_rev2 *local_fadt, ******************************************************************************/ static void -acpi_tb_convert_fadt2(struct fadt_descriptor_rev2 *local_fadt, - struct fadt_descriptor_rev2 *original_fadt) +acpi_tb_convert_fadt2(struct fadt_descriptor *local_fadt, + struct fadt_descriptor *original_fadt) { /* We have an ACPI 2.0 FADT but we must copy it to our local buffer */ - ACPI_MEMCPY(local_fadt, original_fadt, - sizeof(struct fadt_descriptor_rev2)); + ACPI_MEMCPY(local_fadt, original_fadt, sizeof(struct fadt_descriptor)); /* * "X" fields are optional extensions to the original V1.0 fields, so @@ -490,7 +489,7 @@ acpi_tb_convert_fadt2(struct fadt_descriptor_rev2 *local_fadt, acpi_status acpi_tb_convert_table_fadt(void) { - struct fadt_descriptor_rev2 *local_fadt; + struct fadt_descriptor *local_fadt; struct acpi_table_desc *table_desc; ACPI_FUNCTION_TRACE("tb_convert_table_fadt"); @@ -507,13 +506,13 @@ acpi_status acpi_tb_convert_table_fadt(void) /* Allocate buffer for the ACPI 2.0(+) FADT */ - local_fadt = ACPI_ALLOCATE_ZEROED(sizeof(struct fadt_descriptor_rev2)); + local_fadt = ACPI_ALLOCATE_ZEROED(sizeof(struct fadt_descriptor)); if (!local_fadt) { return_ACPI_STATUS(AE_NO_MEMORY); } if (acpi_gbl_FADT->revision >= FADT2_REVISION_ID) { - if (acpi_gbl_FADT->length < sizeof(struct fadt_descriptor_rev2)) { + if (acpi_gbl_FADT->length < sizeof(struct fadt_descriptor)) { /* Length is too short to be a V2.0 table */ @@ -538,7 +537,7 @@ acpi_status acpi_tb_convert_table_fadt(void) /* Global FADT pointer will point to the new common V2.0 FADT */ acpi_gbl_FADT = local_fadt; - acpi_gbl_FADT->length = sizeof(FADT_DESCRIPTOR); + acpi_gbl_FADT->length = sizeof(struct fadt_descriptor); /* Free the original table */ @@ -550,7 +549,7 @@ acpi_status acpi_tb_convert_table_fadt(void) table_desc->pointer = ACPI_CAST_PTR(struct acpi_table_header, acpi_gbl_FADT); table_desc->allocation = ACPI_MEM_ALLOCATED; - table_desc->length = sizeof(struct fadt_descriptor_rev2); + table_desc->length = sizeof(struct fadt_descriptor); /* Dump the entire FADT */ diff --git a/drivers/acpi/tables/tbrsdt.c b/drivers/acpi/tables/tbrsdt.c index 946d2f2d611d..9e0ebe625ed9 100644 --- a/drivers/acpi/tables/tbrsdt.c +++ b/drivers/acpi/tables/tbrsdt.c @@ -280,7 +280,8 @@ acpi_status acpi_tb_get_table_rsdt(void) return_ACPI_STATUS(status); } - acpi_gbl_XSDT = ACPI_CAST_PTR(XSDT_DESCRIPTOR, table_info.pointer); + acpi_gbl_XSDT = + ACPI_CAST_PTR(struct xsdt_descriptor, table_info.pointer); ACPI_DEBUG_PRINT((ACPI_DB_INFO, "XSDT located at %p\n", acpi_gbl_XSDT)); return_ACPI_STATUS(status); diff --git a/drivers/acpi/tables/tbutils.c b/drivers/acpi/tables/tbutils.c index b463d4b88823..f8d28ae8811d 100644 --- a/drivers/acpi/tables/tbutils.c +++ b/drivers/acpi/tables/tbutils.c @@ -193,73 +193,119 @@ acpi_tb_validate_table_header(struct acpi_table_header *table_header) /******************************************************************************* * - * FUNCTION: acpi_tb_verify_table_checksum + * FUNCTION: acpi_tb_sum_table * - * PARAMETERS: *table_header - ACPI table to verify + * PARAMETERS: Buffer - Buffer to sum + * Length - Size of the buffer * - * RETURN: 8 bit checksum of table + * RETURN: 8 bit sum of buffer * - * DESCRIPTION: Does an 8 bit checksum of table and returns status. A correct - * table should have a checksum of 0. + * DESCRIPTION: Computes an 8 bit sum of the buffer(length) and returns it. * ******************************************************************************/ -acpi_status -acpi_tb_verify_table_checksum(struct acpi_table_header * table_header) +u8 acpi_tb_sum_table(void *buffer, u32 length) +{ + acpi_native_uint i; + u8 sum = 0; + + if (!buffer || !length) { + return (0); + } + + for (i = 0; i < length; i++) { + sum = (u8) (sum + ((u8 *) buffer)[i]); + } + return (sum); +} + +/******************************************************************************* + * + * FUNCTION: acpi_tb_generate_checksum + * + * PARAMETERS: Table - Pointer to a valid ACPI table (with a + * standard ACPI header) + * + * RETURN: 8 bit checksum of buffer + * + * DESCRIPTION: Computes an 8 bit checksum of the table. + * + ******************************************************************************/ + +u8 acpi_tb_generate_checksum(struct acpi_table_header * table) { u8 checksum; - acpi_status status = AE_OK; - ACPI_FUNCTION_TRACE("tb_verify_table_checksum"); + /* Sum the entire table as-is */ - /* Compute the checksum on the table */ + checksum = acpi_tb_sum_table(table, table->length); - checksum = - acpi_tb_generate_checksum(table_header, table_header->length); + /* Subtract off the existing checksum value in the table */ - /* Return the appropriate exception */ + checksum = (u8) (checksum - table->checksum); - if (checksum) { - ACPI_WARNING((AE_INFO, - "Invalid checksum in table [%4.4s] (%02X, sum %02X is not zero)", - table_header->signature, - (u32) table_header->checksum, (u32) checksum)); + /* Compute the final checksum */ - status = AE_BAD_CHECKSUM; - } - return_ACPI_STATUS(status); + checksum = (u8) (0 - checksum); + return (checksum); } /******************************************************************************* * - * FUNCTION: acpi_tb_generate_checksum + * FUNCTION: acpi_tb_set_checksum * - * PARAMETERS: Buffer - Buffer to checksum - * Length - Size of the buffer + * PARAMETERS: Table - Pointer to a valid ACPI table (with a + * standard ACPI header) * - * RETURN: 8 bit checksum of buffer + * RETURN: None. Sets the table checksum field * - * DESCRIPTION: Computes an 8 bit checksum of the buffer(length) and returns it. + * DESCRIPTION: Computes an 8 bit checksum of the table and inserts the + * checksum into the table header. * ******************************************************************************/ -u8 acpi_tb_generate_checksum(void *buffer, u32 length) +void acpi_tb_set_checksum(struct acpi_table_header *table) { - u8 *end_buffer; - u8 *rover; - u8 sum = 0; - if (buffer && length) { + table->checksum = acpi_tb_generate_checksum(table); +} + +/******************************************************************************* + * + * FUNCTION: acpi_tb_verify_table_checksum + * + * PARAMETERS: *table_header - ACPI table to verify + * + * RETURN: 8 bit checksum of table + * + * DESCRIPTION: Generates an 8 bit checksum of table and returns and compares + * it to the existing checksum value. + * + ******************************************************************************/ + +acpi_status +acpi_tb_verify_table_checksum(struct acpi_table_header *table_header) +{ + u8 checksum; + + ACPI_FUNCTION_TRACE("tb_verify_table_checksum"); + + /* Compute the checksum on the table */ - /* Buffer and Length are valid */ + checksum = acpi_tb_generate_checksum(table_header); - end_buffer = ACPI_ADD_PTR(u8, buffer, length); + /* Checksum ok? */ - for (rover = buffer; rover < end_buffer; rover++) { - sum = (u8) (sum + *rover); - } + if (checksum == table_header->checksum) { + return_ACPI_STATUS(AE_OK); } - return (sum); + + ACPI_WARNING((AE_INFO, + "Incorrect checksum in table [%4.4s] - is %2.2X, should be %2.2X", + table_header->signature, table_header->checksum, + checksum)); + + return_ACPI_STATUS(AE_BAD_CHECKSUM); } #ifdef ACPI_OBSOLETE_FUNCTIONS @@ -278,7 +324,7 @@ u8 acpi_tb_generate_checksum(void *buffer, u32 length) acpi_status acpi_tb_handle_to_object(u16 table_id, - struct acpi_table_desc ** return_table_desc) + struct acpi_table_desc **return_table_desc) { u32 i; struct acpi_table_desc *table_desc; diff --git a/drivers/acpi/tables/tbxfroot.c b/drivers/acpi/tables/tbxfroot.c index 1b6d8c510e95..550284f5d1ed 100644 --- a/drivers/acpi/tables/tbxfroot.c +++ b/drivers/acpi/tables/tbxfroot.c @@ -81,15 +81,14 @@ acpi_status acpi_tb_validate_rsdp(struct rsdp_descriptor *rsdp) /* Check the standard checksum */ - if (acpi_tb_generate_checksum(rsdp, ACPI_RSDP_CHECKSUM_LENGTH) != 0) { + if (acpi_tb_sum_table(rsdp, ACPI_RSDP_CHECKSUM_LENGTH) != 0) { return (AE_BAD_CHECKSUM); } /* Check extended checksum if table version >= 2 */ if ((rsdp->revision >= 2) && - (acpi_tb_generate_checksum(rsdp, ACPI_RSDP_XCHECKSUM_LENGTH) != - 0)) { + (acpi_tb_sum_table(rsdp, ACPI_RSDP_XCHECKSUM_LENGTH) != 0)) { return (AE_BAD_CHECKSUM); } @@ -308,12 +307,12 @@ acpi_get_firmware_table(acpi_string signature, if (acpi_gbl_root_table_type == ACPI_TABLE_TYPE_RSDT) { address.pointer.value = (ACPI_CAST_PTR - (RSDT_DESCRIPTOR, + (struct rsdt_descriptor, rsdt_info->pointer))->table_offset_entry[i]; } else { address.pointer.value = (ACPI_CAST_PTR - (XSDT_DESCRIPTOR, + (struct xsdt_descriptor, rsdt_info->pointer))->table_offset_entry[i]; } diff --git a/drivers/acpi/utilities/utdebug.c b/drivers/acpi/utilities/utdebug.c index a8c350643d57..5ec1cfcc611d 100644 --- a/drivers/acpi/utilities/utdebug.c +++ b/drivers/acpi/utilities/utdebug.c @@ -517,20 +517,13 @@ acpi_ut_ptr_exit(u32 line_number, * ******************************************************************************/ -void acpi_ut_dump_buffer(u8 * buffer, u32 count, u32 display, u32 component_id) +void acpi_ut_dump_buffer2(u8 * buffer, u32 count, u32 display) { acpi_native_uint i = 0; acpi_native_uint j; u32 temp32; u8 buf_char; - /* Only dump the buffer if tracing is enabled */ - - if (!((ACPI_LV_TABLES & acpi_dbg_level) && - (component_id & acpi_dbg_layer))) { - return; - } - if ((count < 4) || (count & 0x01)) { display = DB_BYTE_DISPLAY; } @@ -556,6 +549,7 @@ void acpi_ut_dump_buffer(u8 * buffer, u32 count, u32 display, u32 component_id) } switch (display) { + case DB_BYTE_DISPLAY: default: /* Default is BYTE display */ acpi_os_printf("%02X ", buffer[i + j]); @@ -613,3 +607,31 @@ void acpi_ut_dump_buffer(u8 * buffer, u32 count, u32 display, u32 component_id) return; } + +/******************************************************************************* + * + * FUNCTION: acpi_ut_dump_buffer + * + * PARAMETERS: Buffer - Buffer to dump + * Count - Amount to dump, in bytes + * Display - BYTE, WORD, DWORD, or QWORD display + * component_iD - Caller's component ID + * + * RETURN: None + * + * DESCRIPTION: Generic dump buffer in both hex and ascii. + * + ******************************************************************************/ + +void acpi_ut_dump_buffer(u8 * buffer, u32 count, u32 display, u32 component_id) +{ + + /* Only dump the buffer if tracing is enabled */ + + if (!((ACPI_LV_TABLES & acpi_dbg_level) && + (component_id & acpi_dbg_layer))) { + return; + } + + acpi_ut_dump_buffer2(buffer, count, display); +} diff --git a/drivers/acpi/utilities/utdelete.c b/drivers/acpi/utilities/utdelete.c index 51356e8eb999..b4e34a2f81f7 100644 --- a/drivers/acpi/utilities/utdelete.c +++ b/drivers/acpi/utilities/utdelete.c @@ -202,8 +202,20 @@ static void acpi_ut_delete_internal_obj(union acpi_operand_object *object) if (handler_desc) { if (handler_desc->address_space.handler_flags & ACPI_ADDR_HANDLER_DEFAULT_INSTALLED) { - obj_pointer = - second_desc->extra.region_context; + + /* Deactivate region and free region context */ + + if (handler_desc->address_space.setup) { + (void)handler_desc-> + address_space.setup(object, + ACPI_REGION_DEACTIVATE, + handler_desc-> + address_space. + context, + &second_desc-> + extra. + region_context); + } } acpi_ut_remove_reference(handler_desc); diff --git a/drivers/acpi/utilities/utglobal.c b/drivers/acpi/utilities/utglobal.c index 8a05bb5ef4fe..e8ae417c9848 100644 --- a/drivers/acpi/utilities/utglobal.c +++ b/drivers/acpi/utilities/utglobal.c @@ -642,7 +642,7 @@ char *acpi_ut_get_node_name(void *object) /* Name must be a valid ACPI name */ if (!acpi_ut_valid_acpi_name(node->name.integer)) { - return ("????"); + node->name.integer = acpi_ut_repair_name(node->name.integer); } /* Return the name */ diff --git a/drivers/acpi/utilities/utinit.c b/drivers/acpi/utilities/utinit.c index 40313de6977d..7538b165b6e5 100644 --- a/drivers/acpi/utilities/utinit.c +++ b/drivers/acpi/utilities/utinit.c @@ -50,7 +50,7 @@ ACPI_MODULE_NAME("utinit") /* Local prototypes */ static void -acpi_ut_fadt_register_error(char *register_name, u32 value, acpi_size offset); +acpi_ut_fadt_register_error(char *register_name, u32 value, u8 offset); static void acpi_ut_terminate(void); @@ -69,12 +69,12 @@ static void acpi_ut_terminate(void); ******************************************************************************/ static void -acpi_ut_fadt_register_error(char *register_name, u32 value, acpi_size offset) +acpi_ut_fadt_register_error(char *register_name, u32 value, u8 offset) { ACPI_WARNING((AE_INFO, "Invalid FADT value %s=%X at offset %X FADT=%p", - register_name, value, (u32) offset, acpi_gbl_FADT)); + register_name, value, offset, acpi_gbl_FADT)); } /****************************************************************************** diff --git a/drivers/acpi/utilities/utmisc.c b/drivers/acpi/utilities/utmisc.c index 017a87ebc40b..4623d7e215d3 100644 --- a/drivers/acpi/utilities/utmisc.c +++ b/drivers/acpi/utilities/utmisc.c @@ -49,6 +49,33 @@ ACPI_MODULE_NAME("utmisc") /******************************************************************************* * + * FUNCTION: acpi_ut_is_aml_table + * + * PARAMETERS: Table - An ACPI table + * + * RETURN: TRUE if table contains executable AML; FALSE otherwise + * + * DESCRIPTION: Check ACPI Signature for a table that contains AML code. + * Currently, these are DSDT,SSDT,PSDT. All other table types are + * data tables that do not contain AML code. + * + ******************************************************************************/ +u8 acpi_ut_is_aml_table(struct acpi_table_header *table) +{ + + /* Ignore tables that contain AML */ + + if (ACPI_COMPARE_NAME(table->signature, DSDT_SIG) || + ACPI_COMPARE_NAME(table->signature, PSDT_SIG) || + ACPI_COMPARE_NAME(table->signature, SSDT_SIG)) { + return (TRUE); + } + + return (FALSE); +} + +/******************************************************************************* + * * FUNCTION: acpi_ut_allocate_owner_id * * PARAMETERS: owner_id - Where the new owner ID is returned @@ -60,6 +87,7 @@ ACPI_MODULE_NAME("utmisc") * when the method exits or the table is unloaded. * ******************************************************************************/ + acpi_status acpi_ut_allocate_owner_id(acpi_owner_id * owner_id) { acpi_native_uint i; @@ -469,6 +497,41 @@ acpi_ut_display_init_pathname(u8 type, /******************************************************************************* * + * FUNCTION: acpi_ut_valid_acpi_char + * + * PARAMETERS: Char - The character to be examined + * + * RETURN: TRUE if the character is valid, FALSE otherwise + * + * DESCRIPTION: Check for a valid ACPI character. Must be one of: + * 1) Upper case alpha + * 2) numeric + * 3) underscore + * + * We allow a '!' as the last character because of the ASF! table + * + ******************************************************************************/ + +u8 acpi_ut_valid_acpi_char(char character, acpi_native_uint position) +{ + + if (!((character >= 'A' && character <= 'Z') || + (character >= '0' && character <= '9') || (character == '_'))) { + + /* Allow a '!' in the last position */ + + if (character == '!' && position == 3) { + return (TRUE); + } + + return (FALSE); + } + + return (TRUE); +} + +/******************************************************************************* + * * FUNCTION: acpi_ut_valid_acpi_name * * PARAMETERS: Name - The name to be examined @@ -484,19 +547,13 @@ acpi_ut_display_init_pathname(u8 type, u8 acpi_ut_valid_acpi_name(u32 name) { - char *name_ptr = (char *)&name; - char character; acpi_native_uint i; ACPI_FUNCTION_ENTRY(); for (i = 0; i < ACPI_NAME_SIZE; i++) { - character = *name_ptr; - name_ptr++; - - if (!((character == '_') || - (character >= 'A' && character <= 'Z') || - (character >= '0' && character <= '9'))) { + if (!acpi_ut_valid_acpi_char + ((ACPI_CAST_PTR(char, &name))[i], i)) { return (FALSE); } } @@ -506,24 +563,37 @@ u8 acpi_ut_valid_acpi_name(u32 name) /******************************************************************************* * - * FUNCTION: acpi_ut_valid_acpi_character + * FUNCTION: acpi_ut_repair_name * - * PARAMETERS: Character - The character to be examined + * PARAMETERS: Name - The ACPI name to be repaired * - * RETURN: 1 if Character may appear in a name, else 0 + * RETURN: Repaired version of the name * - * DESCRIPTION: Check for a printable character + * DESCRIPTION: Repair an ACPI name: Change invalid characters to '*' and + * return the new name. * ******************************************************************************/ -u8 acpi_ut_valid_acpi_character(char character) +acpi_name acpi_ut_repair_name(acpi_name name) { + char *name_ptr = ACPI_CAST_PTR(char, &name); + char new_name[ACPI_NAME_SIZE]; + acpi_native_uint i; - ACPI_FUNCTION_ENTRY(); + for (i = 0; i < ACPI_NAME_SIZE; i++) { + new_name[i] = name_ptr[i]; + + /* + * Replace a bad character with something printable, yet technically + * still invalid. This prevents any collisions with existing "good" + * names in the namespace. + */ + if (!acpi_ut_valid_acpi_char(name_ptr[i], i)) { + new_name[i] = '*'; + } + } - return ((u8) ((character == '_') || - (character >= 'A' && character <= 'Z') || - (character >= '0' && character <= '9'))); + return (*ACPI_CAST_PTR(u32, new_name)); } /******************************************************************************* diff --git a/drivers/acpi/utilities/utresrc.c b/drivers/acpi/utilities/utresrc.c index 4c24e6d5400a..1e680794c6df 100644 --- a/drivers/acpi/utilities/utresrc.c +++ b/drivers/acpi/utilities/utresrc.c @@ -258,7 +258,7 @@ static const u8 acpi_gbl_resource_types[] = { acpi_status acpi_ut_walk_aml_resources(u8 * aml, acpi_size aml_length, - acpi_walk_aml_callback user_function, void *context) + acpi_walk_aml_callback user_function, void **context) { acpi_status status; u8 *end_aml; @@ -319,7 +319,7 @@ acpi_ut_walk_aml_resources(u8 * aml, /* Return the pointer to the end_tag if requested */ if (!user_function) { - *(void **)context = aml; + *context = aml; } /* Normal exit */ @@ -610,7 +610,7 @@ acpi_ut_get_resource_end_tag(union acpi_operand_object * obj_desc, status = acpi_ut_walk_aml_resources(obj_desc->buffer.pointer, obj_desc->buffer.length, NULL, - end_tag); + (void **)end_tag); return_ACPI_STATUS(status); } diff --git a/drivers/acpi/utilities/utstate.c b/drivers/acpi/utilities/utstate.c index 637c5f964879..aec5034cd978 100644 --- a/drivers/acpi/utilities/utstate.c +++ b/drivers/acpi/utilities/utstate.c @@ -321,8 +321,8 @@ union acpi_generic_state *acpi_ut_create_control_state(void) * * RETURN: None * - * DESCRIPTION: Put a state object back into the global state cache. The object - * is not actually freed at this time. + * DESCRIPTION: Release a state object to the state cache. NULL state objects + * are ignored. * ******************************************************************************/ @@ -330,6 +330,10 @@ void acpi_ut_delete_generic_state(union acpi_generic_state *state) { ACPI_FUNCTION_TRACE("ut_delete_generic_state"); - (void)acpi_os_release_object(acpi_gbl_state_cache, state); + /* Ignore null state */ + + if (state) { + (void)acpi_os_release_object(acpi_gbl_state_cache, state); + } return_VOID; } |
