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ACPICA: acpidump: Add ACPI 1.0 RSDP support. 

The acpidump currently always uses ACPI 2.0 format to dump RSDP, this patch
adds ACPI 1.0 RSDP support.

Link: https://bugs.acpica.org/show_bug.cgi?id=1097
Link: https://bugs.acpica.org/show_bug.cgi?id=1103
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Reported-and-tested-by: Rudolf Marek <r.marek@assembler.cz>
Reported-and-tested-by: Rafal <fatwildcat@gmail.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Lv Zheng 2014-10-10 10:39:32 +08:00 committed by Rafael J. Wysocki
parent 5f8b35b633
commit f1b697525d
3 changed files with 35 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/acpi/acpica/actables.h
View File

@ -49,6 +49,8 @@ acpi_status acpi_allocate_root_table(u32 initial_table_count);
/*
* tbxfroot - Root pointer utilities
*/
u32 acpi_tb_get_rsdp_length(struct acpi_table_rsdp *rsdp);
acpi_status acpi_tb_validate_rsdp(struct acpi_table_rsdp *rsdp);
u8 *acpi_tb_scan_memory_for_rsdp(u8 *start_address, u32 length);

33
drivers/acpi/acpica/tbxfroot.c
View File

@ -48,6 +48,36 @@
#define _COMPONENT ACPI_TABLES
ACPI_MODULE_NAME("tbxfroot")
/*******************************************************************************
*
* FUNCTION: acpi_tb_get_rsdp_length
*
* PARAMETERS: rsdp - Pointer to RSDP
*
* RETURN: Table length
*
* DESCRIPTION: Get the length of the RSDP
*
******************************************************************************/
u32 acpi_tb_get_rsdp_length(struct acpi_table_rsdp *rsdp)
{
if (!ACPI_VALIDATE_RSDP_SIG(rsdp->signature)) {
/* BAD Signature */
return (0);
}
/* "Length" field is available if table version >= 2 */
if (rsdp->revision >= 2) {
return (rsdp->length);
} else {
return (ACPI_RSDP_CHECKSUM_LENGTH);
}
}
/*******************************************************************************
*
* FUNCTION: acpi_tb_validate_rsdp
@ -59,7 +89,8 @@ ACPI_MODULE_NAME("tbxfroot")
* DESCRIPTION: Validate the RSDP (ptr)
*
******************************************************************************/
acpi_status acpi_tb_validate_rsdp(struct acpi_table_rsdp *rsdp)
acpi_status acpi_tb_validate_rsdp(struct acpi_table_rsdp * rsdp)
{
/*

2
tools/power/acpi/tools/acpidump/apdump.c
View File

@ -146,7 +146,7 @@ u32 ap_get_table_length(struct acpi_table_header *table)
if (ACPI_VALIDATE_RSDP_SIG(table->signature)) {
rsdp = ACPI_CAST_PTR(struct acpi_table_rsdp, table);
return (rsdp->length);
return (acpi_tb_get_rsdp_length(rsdp));
}
/* Normal ACPI table */