From d69da8475e9794cfd8580457c63dafb8f5d240ed Mon Sep 17 00:00:00 2001 From: Gerd Hoffmann Date: Thu, 25 Jul 2013 15:59:07 +0200 Subject: qemu: load acpi tables from fw_cfg. Starting with release 1.7 qemu provides acpi tables via fw_cfg. Main advantage is that new (virtual) hardware which needs acpi support JustWorks[tm] without having to patch & update the firmware (seabios, coreboot, ...) accordingly. So if we find acpi tables in fw_cfg try loading them, otherwise fallback to the builtin acpi tables. Change-Id: I792232829b870ff6ed8414a3007e0af17f6c4223 Signed-off-by: Gerd Hoffmann Reviewed-on: http://review.coreboot.org/4040 Tested-by: build bot (Jenkins) --- src/mainboard/emulation/qemu-q35/acpi_tables.c | 6 ++++++ 1 file changed, 6 insertions(+) (limited to 'src/mainboard/emulation/qemu-q35') diff --git a/src/mainboard/emulation/qemu-q35/acpi_tables.c b/src/mainboard/emulation/qemu-q35/acpi_tables.c index d894dc187b..4e79b2c8cd 100644 --- a/src/mainboard/emulation/qemu-q35/acpi_tables.c +++ b/src/mainboard/emulation/qemu-q35/acpi_tables.c @@ -29,6 +29,8 @@ #include #include +#include "../qemu-i440fx/fw_cfg.h" + extern const unsigned char AmlCode[]; #if CONFIG_HAVE_ACPI_SLIC unsigned long acpi_create_slic(unsigned long current); @@ -238,6 +240,10 @@ unsigned long write_acpi_tables(unsigned long start) acpi_header_t *ssdt; acpi_header_t *dsdt; + current = fw_cfg_acpi_tables(start); + if (current) + return current; + current = start; /* Align ACPI tables to 16byte */ -- cgit v1.2.3