diff options
Diffstat (limited to 'hw/i386/acpi-build.c')
| -rw-r--r-- | hw/i386/acpi-build.c | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/hw/i386/acpi-build.c b/hw/i386/acpi-build.c index 72c3f67..c2912d4 100644 --- a/hw/i386/acpi-build.c +++ b/hw/i386/acpi-build.c @@ -1199,6 +1199,44 @@ static void build_hpet_aml(Aml *table) aml_append(table, scope); } +static Aml *build_fdc_device_aml(void) +{ + Aml *dev; + Aml *crs; + Aml *method; + Aml *if_ctx; + Aml *else_ctx; + Aml *zero = aml_int(0); + Aml *is_present = aml_local(0); + + dev = aml_device("FDC0"); + aml_append(dev, aml_name_decl("_HID", aml_eisaid("PNP0700"))); + + method = aml_method("_STA", 0, AML_NOTSERIALIZED); + aml_append(method, aml_store(aml_name("FDEN"), is_present)); + if_ctx = aml_if(aml_equal(is_present, zero)); + { + aml_append(if_ctx, aml_return(aml_int(0x00))); + } + aml_append(method, if_ctx); + else_ctx = aml_else(); + { + aml_append(else_ctx, aml_return(aml_int(0x0f))); + } + aml_append(method, else_ctx); + aml_append(dev, method); + + crs = aml_resource_template(); + aml_append(crs, aml_io(AML_DECODE16, 0x03F2, 0x03F2, 0x00, 0x04)); + aml_append(crs, aml_io(AML_DECODE16, 0x03F7, 0x03F7, 0x00, 0x01)); + aml_append(crs, aml_irq_no_flags(6)); + aml_append(crs, + aml_dma(AML_COMPATIBILITY, AML_NOTBUSMASTER, AML_TRANSFER8, 2)); + aml_append(dev, aml_name_decl("_CRS", crs)); + + return dev; +} + static Aml *build_rtc_device_aml(void) { Aml *dev; @@ -1210,6 +1248,7 @@ static Aml *build_rtc_device_aml(void) aml_append(crs, aml_io(AML_DECODE16, 0x0070, 0x0070, 0x10, 0x02)); aml_append(crs, aml_irq_no_flags(8)); aml_append(crs, aml_io(AML_DECODE16, 0x0072, 0x0072, 0x02, 0x06)); + aml_append(dev, aml_name_decl("_CRS", crs)); return dev; } @@ -1263,6 +1302,7 @@ static void build_isa_devices_aml(Aml *table) aml_append(scope, build_rtc_device_aml()); aml_append(scope, build_kbd_device_aml()); aml_append(scope, build_mouse_device_aml()); + aml_append(scope, build_fdc_device_aml()); aml_append(table, scope); } |