From mboxrd@z Thu Jan 1 00:00:00 1970 From: Bin Meng Date: Tue, 30 Jan 2018 05:01:17 -0800 Subject: [U-Boot] [PATCH 2/2] x86: qemu: qfw: Implement acpi_get_rsdp_addr() In-Reply-To: <1517317277-22957-1-git-send-email-bmeng.cn@gmail.com> References: <1517317277-22957-1-git-send-email-bmeng.cn@gmail.com> Message-ID: <1517317277-22957-2-git-send-email-bmeng.cn@gmail.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de U-Boot on QEMU does not build ACPI table by ourself, instead it uses the prebuilt ACPI table via the qfw interface. This implements the qfw version of acpi_get_rsdp_addr() for setup_zimage(). Signed-off-by: Bin Meng --- drivers/misc/qfw.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/misc/qfw.c b/drivers/misc/qfw.c index a8af9e0..9a54803 100644 --- a/drivers/misc/qfw.c +++ b/drivers/misc/qfw.c @@ -222,6 +222,14 @@ out: free(table_loader); return addr; } + +ulong acpi_get_rsdp_addr(void) +{ + struct fw_file *file; + + file = qemu_fwcfg_find_file("etc/acpi/rsdp"); + return file->addr; +} #endif /* Read configuration item using fw_cfg PIO interface */ -- 2.7.4