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[Qemu-devel] [PATCH v4 10/20] hw/arm/virt-acpi-build: Generate RSDT tabl
From: |
Shannon Zhao |
Subject: |
[Qemu-devel] [PATCH v4 10/20] hw/arm/virt-acpi-build: Generate RSDT table |
Date: |
Fri, 3 Apr 2015 18:03:42 +0800 |
From: Shannon Zhao <address@hidden>
RSDT points to other tables FADT, MADT, GTDT.
Signed-off-by: Shannon Zhao <address@hidden>
Signed-off-by: Shannon Zhao <address@hidden>
---
hw/arm/virt-acpi-build.c | 27 +++++++++++++++++++++++++++
1 file changed, 27 insertions(+)
diff --git a/hw/arm/virt-acpi-build.c b/hw/arm/virt-acpi-build.c
index a7aba75..85e84b1 100644
--- a/hw/arm/virt-acpi-build.c
+++ b/hw/arm/virt-acpi-build.c
@@ -176,6 +176,30 @@ static void acpi_dsdt_add_virtio(Aml *scope, const hwaddr
*mmio_addrs,
}
}
+/* RSDT */
+static void
+build_rsdt(GArray *table_data, GArray *linker, GArray *table_offsets)
+{
+ AcpiRsdtDescriptorRev1 *rsdt;
+ size_t rsdt_len;
+ int i;
+
+ rsdt_len = sizeof(*rsdt) + sizeof(uint32_t) * table_offsets->len;
+ rsdt = acpi_data_push(table_data, rsdt_len);
+ memcpy(rsdt->table_offset_entry, table_offsets->data,
+ sizeof(uint32_t) * table_offsets->len);
+ for (i = 0; i < table_offsets->len; ++i) {
+ /* rsdt->table_offset_entry to be filled by Guest linker */
+ bios_linker_loader_add_pointer(linker,
+ ACPI_BUILD_TABLE_FILE,
+ ACPI_BUILD_TABLE_FILE,
+ table_data,
&rsdt->table_offset_entry[i],
+ sizeof(uint32_t));
+ }
+ build_header(linker, table_data,
+ (void *)rsdt, "RSDT", rsdt_len, 1);
+}
+
/* GTDT */
static void
build_gtdt(GArray *table_data, GArray *linker, VirtGuestInfo *guest_info)
@@ -348,6 +372,9 @@ void virt_acpi_build(VirtGuestInfo *guest_info,
AcpiBuildTables *tables)
acpi_add_table(table_offsets, tables_blob);
build_gtdt(tables_blob, tables->linker, guest_info);
+ /* RSDT is pointed to by RSDP */
+ build_rsdt(tables_blob, tables->linker, table_offsets);
+
/* Cleanup memory that's no longer used. */
g_array_free(table_offsets, true);
}
--
2.0.4
- Re: [Qemu-devel] [PATCH v4 19/20] hw/arm/virt-acpi-build: Add PCIe controller in ACPI DSDT table, (continued)
[Qemu-devel] [PATCH v4 18/20] hw/acpi/aml-build: Add aml_dword_io() term, Shannon Zhao, 2015/04/03
[Qemu-devel] [PATCH v4 07/20] hw/arm/virt-acpi-build: Generate FADT table and update ACPI headers, Shannon Zhao, 2015/04/03
[Qemu-devel] [PATCH v4 20/20] hw/arm/virt: Enable dynamic generation of ACPI v5.1 tables, Shannon Zhao, 2015/04/03
[Qemu-devel] [PATCH v4 10/20] hw/arm/virt-acpi-build: Generate RSDT table,
Shannon Zhao <=
- Re: [Qemu-devel] [PATCH v4 10/20] hw/arm/virt-acpi-build: Generate RSDT table, Alex Bennée, 2015/04/09
- Re: [Qemu-devel] [PATCH v4 10/20] hw/arm/virt-acpi-build: Generate RSDT table, Igor Mammedov, 2015/04/09
- Re: [Qemu-devel] [PATCH v4 10/20] hw/arm/virt-acpi-build: Generate RSDT table, Peter Maydell, 2015/04/09
- Re: [Qemu-devel] [PATCH v4 10/20] hw/arm/virt-acpi-build: Generate RSDT table, Igor Mammedov, 2015/04/09
- Re: [Qemu-devel] [PATCH v4 10/20] hw/arm/virt-acpi-build: Generate RSDT table, Peter Maydell, 2015/04/09
- Re: [Qemu-devel] [PATCH v4 10/20] hw/arm/virt-acpi-build: Generate RSDT table, Igor Mammedov, 2015/04/09
- Re: [Qemu-devel] [PATCH v4 10/20] hw/arm/virt-acpi-build: Generate RSDT table, Laszlo Ersek, 2015/04/09
- Re: [Qemu-devel] [PATCH v4 10/20] hw/arm/virt-acpi-build: Generate RSDT table, Peter Maydell, 2015/04/09
- Re: [Qemu-devel] [PATCH v4 10/20] hw/arm/virt-acpi-build: Generate RSDT table, Laszlo Ersek, 2015/04/09
[Qemu-devel] [PATCH v4 08/20] hw/arm/virt-acpi-build: Generate MADT table, Shannon Zhao, 2015/04/03