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[Qemu-devel] [PATCH v6 04/22] hw/acpi/aml-build: Add aml_memory32_fixed(
From: |
Shannon Zhao |
Subject: |
[Qemu-devel] [PATCH v6 04/22] hw/acpi/aml-build: Add aml_memory32_fixed() term |
Date: |
Thu, 7 May 2015 17:29:06 +0800 |
From: Shannon Zhao <address@hidden>
Add aml_memory32_fixed() for describing device mmio region in resource template.
These can be used to generating DSDT table for ACPI on ARM.
Signed-off-by: Shannon Zhao <address@hidden>
Signed-off-by: Shannon Zhao <address@hidden>
---
hw/acpi/aml-build.c | 27 +++++++++++++++++++++++++++
include/hw/acpi/aml-build.h | 2 ++
2 files changed, 29 insertions(+)
diff --git a/hw/acpi/aml-build.c b/hw/acpi/aml-build.c
index 8d01959..61407b7 100644
--- a/hw/acpi/aml-build.c
+++ b/hw/acpi/aml-build.c
@@ -26,6 +26,7 @@
#include <string.h>
#include "hw/acpi/aml-build.h"
#include "qemu/bswap.h"
+#include "qemu/bitops.h"
#include "hw/acpi/bios-linker-loader.h"
static GArray *build_alloc_array(void)
@@ -505,6 +506,32 @@ Aml *aml_call4(const char *method, Aml *arg1, Aml *arg2,
Aml *arg3, Aml *arg4)
return var;
}
+/*
+ * ACPI 1.0: 6.4.3.4 Memory32Fixed (Memory Resource Descriptor Macro)
+ */
+Aml *aml_memory32_fixed(uint32_t addr, uint32_t size,
+ AmlReadAndWrite read_and_write)
+{
+ Aml *var = aml_alloc();
+ 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, read_and_write); /* Write status, 1 rw 0 ro */
+
+ /* Range base address */
+ build_append_byte(var->buf, extract32(addr, 0, 8)); /* bits[7:0] */
+ build_append_byte(var->buf, extract32(addr, 8, 8)); /* bits[15:8] */
+ build_append_byte(var->buf, extract32(addr, 16, 8)); /* bits[23:16] */
+ build_append_byte(var->buf, extract32(addr, 24, 8)); /* bits[31:24] */
+
+ /* Range length */
+ build_append_byte(var->buf, extract32(size, 0, 8)); /* bits[7:0] */
+ build_append_byte(var->buf, extract32(size, 8, 8)); /* bits[15:8] */
+ build_append_byte(var->buf, extract32(size, 16, 8)); /* bits[23:16] */
+ build_append_byte(var->buf, extract32(size, 24, 8)); /* bits[31:24] */
+ return var;
+}
+
/* ACPI 1.0b: 6.4.2.5 I/O Port Descriptor */
Aml *aml_io(AmlIODecode dec, uint16_t min_base, uint16_t max_base,
uint8_t aln, uint8_t len)
diff --git a/include/hw/acpi/aml-build.h b/include/hw/acpi/aml-build.h
index 1705001..154823b 100644
--- a/include/hw/acpi/aml-build.h
+++ b/include/hw/acpi/aml-build.h
@@ -162,6 +162,8 @@ Aml *aml_call1(const char *method, Aml *arg1);
Aml *aml_call2(const char *method, Aml *arg1, Aml *arg2);
Aml *aml_call3(const char *method, Aml *arg1, Aml *arg2, Aml *arg3);
Aml *aml_call4(const char *method, Aml *arg1, Aml *arg2, Aml *arg3, Aml *arg4);
+Aml *aml_memory32_fixed(uint32_t addr, uint32_t size,
+ AmlReadAndWrite read_and_write);
Aml *aml_io(AmlIODecode dec, uint16_t min_base, uint16_t max_base,
uint8_t aln, uint8_t len);
Aml *aml_operation_region(const char *name, AmlRegionSpace rs,
--
2.0.4
- [Qemu-devel] [PATCH v6 00/22] Generate ACPI v5.1 tables and expose them to guest over fw_cfg on ARM, Shannon Zhao, 2015/05/07
- [Qemu-devel] [PATCH v6 09/22] hw/arm/virt-acpi-build: Generate GTDT table, Shannon Zhao, 2015/05/07
- [Qemu-devel] [PATCH v6 04/22] hw/acpi/aml-build: Add aml_memory32_fixed() term,
Shannon Zhao <=
- [Qemu-devel] [PATCH v6 08/22] hw/arm/virt-acpi-build: Generate MADT table, Shannon Zhao, 2015/05/07
- [Qemu-devel] [PATCH v6 07/22] hw/arm/virt-acpi-build: Generate FADT table and update ACPI headers, Shannon Zhao, 2015/05/07
- [Qemu-devel] [PATCH v6 02/22] hw/i386/acpi-build: move generic acpi building helpers into dedictated file, Shannon Zhao, 2015/05/07
- [Qemu-devel] [PATCH v6 06/22] hw/arm/virt-acpi-build: Generation of DSDT table for virt devices, Shannon Zhao, 2015/05/07
- [Qemu-devel] [PATCH v6 05/22] hw/acpi/aml-build: Add aml_interrupt() term, Shannon Zhao, 2015/05/07