[U-Boot] [PATCH 4/4] x86: qemu: loading ACPI table from QEMU

Miao Yan yanmiaobest at gmail.com
Fri Jan 15 04:12:21 CET 2016


If CONFIG_GENERATE_ACPI_TABLE is not defined, then use ACPI table created
by QEMU.

Signed-off-by: Miao Yan <yanmiaobest at gmail.com>
---
 arch/x86/lib/tables.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/arch/x86/lib/tables.c b/arch/x86/lib/tables.c
index 14b15cf..1671385 100644
--- a/arch/x86/lib/tables.c
+++ b/arch/x86/lib/tables.c
@@ -10,6 +10,7 @@
 #include <asm/smbios.h>
 #include <asm/tables.h>
 #include <asm/acpi_table.h>
+#include <asm/fw_cfg.h>
 
 u8 table_compute_checksum(void *v, int len)
 {
@@ -55,8 +56,10 @@ void write_tables(void)
 #endif
 #ifdef CONFIG_GENERATE_ACPI_TABLE
 	rom_table_end = write_acpi_tables(rom_table_end);
-	rom_table_end = ALIGN(rom_table_end, 1024);
+#else
+	rom_table_end = qemu_fwcfg_write_acpi_tables(rom_table_end);
 #endif
+	rom_table_end = ALIGN(rom_table_end, 1024);
 #ifdef CONFIG_GENERATE_SMBIOS_TABLE
 	rom_table_end = write_smbios_table(rom_table_end);
 	rom_table_end = ALIGN(rom_table_end, 1024);
-- 
1.9.1



More information about the U-Boot mailing list