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| author | Gerd Hoffmann <kraxel@redhat.com> | 2020-06-19 11:19:00 +0200 |
|---|---|---|
| committer | Michael S. Tsirkin <mst@redhat.com> | 2020-06-24 17:18:28 -0400 |
| commit | 0575c2fd6ddeba1fbe6e4dca959917895aa8ee31 (patch) | |
| tree | 864eb612b7a630b9da5a0e3211f5f61dc33f408e /hw/i386/acpi-build.c | |
| parent | df0f3d134a92cbbe07ccbfc017f39ed2dbcc6a3f (diff) | |
| download | focaccia-qemu-0575c2fd6ddeba1fbe6e4dca959917895aa8ee31.tar.gz focaccia-qemu-0575c2fd6ddeba1fbe6e4dca959917895aa8ee31.zip | |
acpi: factor out fw_cfg_add_acpi_dsdt()
Add helper function to add fw_cfg device, also move code to hw/i386/fw_cfg.c. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Reviewed-by: Igor Mammedov <imammedo@redhat.com> Message-Id: <20200619091905.21676-8-kraxel@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'hw/i386/acpi-build.c')
| -rw-r--r-- | hw/i386/acpi-build.c | 24 |
1 files changed, 1 insertions, 23 deletions
diff --git a/hw/i386/acpi-build.c b/hw/i386/acpi-build.c index 13113e83df..19e9c298dc 100644 --- a/hw/i386/acpi-build.c +++ b/hw/i386/acpi-build.c @@ -1802,30 +1802,8 @@ build_dsdt(GArray *table_data, BIOSLinker *linker, /* create fw_cfg node, unconditionally */ { - /* when using port i/o, the 8-bit data register *always* overlaps - * with half of the 16-bit control register. Hence, the total size - * of the i/o region used is FW_CFG_CTL_SIZE; when using DMA, the - * DMA control register is located at FW_CFG_DMA_IO_BASE + 4 */ - uint8_t io_size = object_property_get_bool(OBJECT(x86ms->fw_cfg), - "dma_enabled", NULL) ? - ROUND_UP(FW_CFG_CTL_SIZE, 4) + sizeof(dma_addr_t) : - FW_CFG_CTL_SIZE; - scope = aml_scope("\\_SB.PCI0"); - dev = aml_device("FWCF"); - - aml_append(dev, aml_name_decl("_HID", aml_string("QEMU0002"))); - - /* device present, functioning, decoding, not shown in UI */ - aml_append(dev, aml_name_decl("_STA", aml_int(0xB))); - - crs = aml_resource_template(); - aml_append(crs, - aml_io(AML_DECODE16, FW_CFG_IO_BASE, FW_CFG_IO_BASE, 0x01, io_size) - ); - aml_append(dev, aml_name_decl("_CRS", crs)); - - aml_append(scope, dev); + fw_cfg_add_acpi_dsdt(scope, x86ms->fw_cfg); aml_append(dsdt, scope); } |