[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Qemu-devel] [RFC PATCH v2 04/11] hw/acpi/acpi-build-utils: Add acpi_mem
From: |
Shannon Zhao |
Subject: |
[Qemu-devel] [RFC PATCH v2 04/11] hw/acpi/acpi-build-utils: Add acpi_memory32_fixed() and acpi_interrupt() |
Date: |
Thu, 29 Jan 2015 16:37:06 +0800 |
Add acpi_memory32_fixed() for describing device mmio region in resource
template.
Add acpi_interrupt() for describing device interrupt in resource template.
These can be used to generating DSDT table for ACPI on ARM.
Signed-off-by: Shannon Zhao <address@hidden>
---
hw/acpi/acpi-build-utils.c | 40 ++++++++++++++++++++++++++++++++++++
include/hw/acpi/acpi-build-utils.h | 2 +
2 files changed, 42 insertions(+), 0 deletions(-)
diff --git a/hw/acpi/acpi-build-utils.c b/hw/acpi/acpi-build-utils.c
index aa32fe4..60cce5d 100644
--- a/hw/acpi/acpi-build-utils.c
+++ b/hw/acpi/acpi-build-utils.c
@@ -493,6 +493,46 @@ AcpiAml acpi_call4(const char *method, AcpiAml arg1,
AcpiAml arg2,
}
/*
+ * ACPI 1.0: 6.4.3.4 Memory32Fixed (Memory Resource Descriptor Macro)
+ */
+AcpiAml acpi_memory32_fixed(uint64_t addr, uint64_t size, uint8_t rw_flag)
+{
+ AcpiAml var = aml_allocate_internal(0, NON_BLOCK);
+ build_append_byte(var.buf, 0x86); /* Memory32Fixed Resource Descriptor */
+ build_append_byte(var.buf, 9); /* Length, bits[7:0] value = 9 */
+ build_append_byte(var.buf, 0); /* Length, bits[15:8] value = 0 */
+ build_append_byte(var.buf, rw_flag); /* Write status, 1 rw 0 ro */
+ build_append_byte(var.buf, addr & 0xff); /* Range base address bits[7:0] */
+ build_append_byte(var.buf, (addr >> 8) & 0xff); /* Range base address
bits[15:8] */
+ build_append_byte(var.buf, (addr >> 16) & 0xff); /* Range base address
bits[23:16] */
+ build_append_byte(var.buf, (addr >> 24) & 0xff); /* Range base address
bits[31:24] */
+
+ build_append_byte(var.buf, size & 0xff); /* Range length bits[7:0] */
+ build_append_byte(var.buf, (size >> 8) & 0xff); /* Range length bits[15:8]
*/
+ build_append_byte(var.buf, (size >> 16) & 0xff); /* Range length
bits[23:16] */
+ build_append_byte(var.buf, (size >> 24) & 0xff); /* Range length
bits[31:24] */
+ return var;
+}
+
+/*
+ * ACPI 1.0: 6.4.3.6 Interrupt (Interrupt Resource Descriptor Macro)
+ */
+AcpiAml acpi_interrupt(uint8_t irq_flags, int irq)
+{
+ AcpiAml var = aml_allocate_internal(0, NON_BLOCK);
+ build_append_byte(var.buf, 0x89); /* Extended irq descriptor */
+ build_append_byte(var.buf, 6); /* Length, bits[7:0] minimum value = 6 */
+ build_append_byte(var.buf, 0); /* Length, bits[15:8] minimum value = 0 */
+ build_append_byte(var.buf, irq_flags); /* Interrupt Vector Information. */
+ build_append_byte(var.buf, 0x01); /* Interrupt table length = 1 */
+ build_append_byte(var.buf, irq & 0xff); /* Interrupt Number bits[7:0] */
+ build_append_byte(var.buf, (irq >> 8) & 0xff); /* Interrupt Number
bits[15:8] */
+ build_append_byte(var.buf, (irq >> 16) & 0xff); /* Interrupt Number
bits[23:16] */
+ build_append_byte(var.buf, (irq >> 24) & 0xff); /* Interrupt Number
bits[31:24] */
+ return var;
+}
+
+/*
* ACPI 5.0: 19.5.62 IO (IO Resource Descriptor Macro)
* 6.4.2 Small Resource Data Type
*/
diff --git a/include/hw/acpi/acpi-build-utils.h
b/include/hw/acpi/acpi-build-utils.h
index b504c3a..0b0ced7 100644
--- a/include/hw/acpi/acpi-build-utils.h
+++ b/include/hw/acpi/acpi-build-utils.h
@@ -127,6 +127,8 @@ AcpiAml acpi_call3(const char *method, AcpiAml arg1,
AcpiAml arg2,
AcpiAml arg3);
AcpiAml acpi_call4(const char *method, AcpiAml arg1, AcpiAml arg2,
AcpiAml arg3, AcpiAml arg4);
+AcpiAml acpi_memory32_fixed(uint64_t addr, uint64_t size, uint8_t rw_flag);
+AcpiAml acpi_interrupt(uint8_t irq_flags, int irq);
AcpiAml acpi_io(acpiIODecode dec, uint16_t min_base, uint16_t max_base,
uint8_t aln, uint8_t len);
AcpiAml acpi_iqr_no_flags(uint8_t irq);
--
1.7.1
- [Qemu-devel] [RFC PATCH v2 00/11] Generate ACPI v5.1 tables and expose it to guest over fw_cfg on ARM, Shannon Zhao, 2015/01/29
- [Qemu-devel] [RFC PATCH v2 09/11] hw/arm/virt-acpi-build: Generate XSDT table, Shannon Zhao, 2015/01/29
- [Qemu-devel] [RFC PATCH v2 04/11] hw/acpi/acpi-build-utils: Add acpi_memory32_fixed() and acpi_interrupt(),
Shannon Zhao <=
- [Qemu-devel] [RFC PATCH v2 05/11] hw/arm/virt-acpi-build: Generation of DSDT table for virt devices, Shannon Zhao, 2015/01/29
- [Qemu-devel] [RFC PATCH v2 10/11] hw/arm/virt-acpi-build: Generate RSDP table, Shannon Zhao, 2015/01/29
- [Qemu-devel] [RFC PATCH v2 06/11] hw/arm/virt-acpi-build: Generate FADT table and update ACPI headers, Shannon Zhao, 2015/01/29
- [Qemu-devel] [RFC PATCH v2 02/11] hw/i386/acpi-build: move generic acpi building helpers into dedictated file, Shannon Zhao, 2015/01/29
- [Qemu-devel] [RFC PATCH v2 01/11] hw/i386: Move ACPI header definitions in an arch-independent location, Shannon Zhao, 2015/01/29
- [Qemu-devel] [RFC PATCH v2 03/11] hw/arm/virt-acpi-build: Basic framework for building ACPI tables on ARM, Shannon Zhao, 2015/01/29
- [Qemu-devel] [RFC PATCH v2 08/11] hw/arm/virt-acpi-build: Generate GTDT table, Shannon Zhao, 2015/01/29
- [Qemu-devel] [RFC PATCH v2 07/11] hw/arm/virt-acpi-build: Generate MADT table, Shannon Zhao, 2015/01/29
- [Qemu-devel] [RFC PATCH v2 11/11] hw/arm/virt: Enable dynamic generation of ACPI v5.1 tables, Shannon Zhao, 2015/01/29