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[Qemu-devel] [PATCH v7 04/23] hw/acpi/aml-build: Add aml_memory32_fixed(
From: |
Shannon Zhao |
Subject: |
[Qemu-devel] [PATCH v7 04/23] hw/acpi/aml-build: Add aml_memory32_fixed() term |
Date: |
Thu, 14 May 2015 17:19:23 +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>
Reviewed-by: Alex Bennée <address@hidden>
---
hw/acpi/aml-build.c | 25 +++++++++++++++++++++++++
include/hw/acpi/aml-build.h | 2 ++
2 files changed, 27 insertions(+)
diff --git a/hw/acpi/aml-build.c b/hw/acpi/aml-build.c
index 77ce00b..ce68d27 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)
@@ -48,6 +49,14 @@ static void build_append_byte(GArray *array, uint8_t val)
g_array_append_val(array, val);
}
+static void build_append_uint32(GArray *array, uint32_t val)
+{
+ build_append_byte(array, extract32(val, 0, 8));
+ build_append_byte(array, extract32(val, 8, 8));
+ build_append_byte(array, extract32(val, 16, 8));
+ build_append_byte(array, extract32(val, 24, 8));
+}
+
static void build_append_array(GArray *array, GArray *val)
{
g_array_append_vals(array, val->data, val->len);
@@ -505,6 +514,22 @@ 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 */
+ build_append_uint32(var->buf, addr); /* Range base address */
+ build_append_uint32(var->buf, size); /* Range length */
+ 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 3947201..b1413a3 100644
--- a/include/hw/acpi/aml-build.h
+++ b/include/hw/acpi/aml-build.h
@@ -168,6 +168,8 @@ 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,
--
2.1.0
- [Qemu-devel] [PATCH v7 18/23] hw/acpi/aml-build: Add aml_create_dword_field() term, (continued)
[Qemu-devel] [PATCH v7 07/23] hw/arm/virt-acpi-build: Generate FADT table and update ACPI headers, Shannon Zhao, 2015/05/14
[Qemu-devel] [PATCH v7 04/23] hw/acpi/aml-build: Add aml_memory32_fixed() term,
Shannon Zhao <=
[Qemu-devel] [PATCH v7 03/23] hw/arm/virt-acpi-build: Basic framework for building ACPI tables on ARM, Shannon Zhao, 2015/05/14
[Qemu-devel] [PATCH v7 11/23] hw/arm/virt-acpi-build: Generate RSDP table, Shannon Zhao, 2015/05/14
[Qemu-devel] [PATCH v7 12/23] hw/arm/virt-acpi-build: Generate MCFG table, Shannon Zhao, 2015/05/14
[Qemu-devel] [PATCH v7 08/23] hw/arm/virt-acpi-build: Generate MADT table, Shannon Zhao, 2015/05/14
[Qemu-devel] [PATCH v7 10/23] hw/arm/virt-acpi-build: Generate RSDT table, Shannon Zhao, 2015/05/14
[Qemu-devel] [PATCH v7 09/23] hw/arm/virt-acpi-build: Generate GTDT table, Shannon Zhao, 2015/05/14