From 0b341a85ca873cfc4faddbf9012c4c5da1b675bc Mon Sep 17 00:00:00 2001 From: =?utf8?q?Marc=20Mar=C3=AD?= Date: Thu, 8 Oct 2015 17:02:56 +0200 Subject: [PATCH] Enable fw_cfg DMA interface for ARM MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Enable the fw_cfg DMA interface for the ARM virt machine. Based on Gerd Hoffman's initial implementation. Signed-off-by: Marc Marí Reviewed-by: Peter Maydell Reviewed-by: Laszlo Ersek Signed-off-by: Gerd Hoffmann --- hw/arm/virt.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/hw/arm/virt.c b/hw/arm/virt.c index b670bc684c..5d38c47444 100644 --- a/hw/arm/virt.c +++ b/hw/arm/virt.c @@ -119,7 +119,7 @@ static const MemMapEntry a15memmap[] = { [VIRT_GIC_REDIST] = { 0x080A0000, 0x00F60000 }, [VIRT_UART] = { 0x09000000, 0x00001000 }, [VIRT_RTC] = { 0x09010000, 0x00001000 }, - [VIRT_FW_CFG] = { 0x09020000, 0x0000000a }, + [VIRT_FW_CFG] = { 0x09020000, 0x00000018 }, [VIRT_MMIO] = { 0x0a000000, 0x00000200 }, /* ...repeating for a total of NUM_VIRTIO_TRANSPORTS, each of that size */ [VIRT_PLATFORM_BUS] = { 0x0c000000, 0x02000000 }, @@ -677,13 +677,13 @@ static void create_flash(const VirtBoardInfo *vbi) g_free(nodename); } -static void create_fw_cfg(const VirtBoardInfo *vbi) +static void create_fw_cfg(const VirtBoardInfo *vbi, AddressSpace *as) { hwaddr base = vbi->memmap[VIRT_FW_CFG].base; hwaddr size = vbi->memmap[VIRT_FW_CFG].size; char *nodename; - fw_cfg_init_mem_wide(base + 8, base, 8, 0, NULL); + fw_cfg_init_mem_wide(base + 8, base, 8, base + 16, as); nodename = g_strdup_printf("/fw-cfg@%" PRIx64, base); qemu_fdt_add_subnode(vbi->fdt, nodename); @@ -1031,7 +1031,7 @@ static void machvirt_init(MachineState *machine) */ create_virtio_devices(vbi, pic); - create_fw_cfg(vbi); + create_fw_cfg(vbi, &address_space_memory); rom_set_fw(fw_cfg_find()); guest_info->smp_cpus = smp_cpus; -- 2.11.0