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Diffstat (limited to 'hw/arm/virt-acpi-build.c')
-rw-r--r--hw/arm/virt-acpi-build.c42
1 files changed, 23 insertions, 19 deletions
diff --git a/hw/arm/virt-acpi-build.c b/hw/arm/virt-acpi-build.c
index ce8bfa5a37..4a6b53fbfc 100644
--- a/hw/arm/virt-acpi-build.c
+++ b/hw/arm/virt-acpi-build.c
@@ -368,35 +368,39 @@ static void acpi_dsdt_add_power_button(Aml *scope)
/* RSDP */
static void
-build_rsdp(GArray *rsdp_table, BIOSLinker *linker, AcpiRsdpData *rsdp_data)
+build_rsdp(GArray *tbl, BIOSLinker *linker, AcpiRsdpData *rsdp_data)
{
- AcpiRsdpDescriptor *rsdp = acpi_data_push(rsdp_table, sizeof *rsdp);
- unsigned xsdt_pa_size = sizeof(rsdp->xsdt_physical_address);
- unsigned xsdt_pa_offset =
- (char *)&rsdp->xsdt_physical_address - rsdp_table->data;
+ int tbl_off = tbl->len; /* Table offset in the RSDP file */
- bios_linker_loader_alloc(linker, ACPI_BUILD_RSDP_FILE, rsdp_table, 16,
+ bios_linker_loader_alloc(linker, ACPI_BUILD_RSDP_FILE, tbl, 16,
true /* fseg memory */);
- memcpy(&rsdp->signature, "RSD PTR ", sizeof(rsdp->signature));
- memcpy(rsdp->oem_id, rsdp_data->oem_id, sizeof(rsdp->oem_id));
- rsdp->length = cpu_to_le32(sizeof(*rsdp));
- rsdp->revision = rsdp_data->revision;
+ g_array_append_vals(tbl, "RSD PTR ", 8); /* Signature */
+ build_append_int_noprefix(tbl, 0, 1); /* Checksum */
+ g_array_append_vals(tbl, rsdp_data->oem_id, 6); /* OEMID */
+ build_append_int_noprefix(tbl, rsdp_data->revision, 1); /* Revision */
+ build_append_int_noprefix(tbl, 0, 4); /* RsdtAddress */
+ build_append_int_noprefix(tbl, 36, 4); /* Length */
- /* Address to be filled by Guest linker */
- bios_linker_loader_add_pointer(linker,
- ACPI_BUILD_RSDP_FILE, xsdt_pa_offset, xsdt_pa_size,
- ACPI_BUILD_TABLE_FILE, *rsdp_data->xsdt_tbl_offset);
+ /* XSDT address to be filled by guest linker */
+ build_append_int_noprefix(tbl, 0, 8); /* XsdtAddress */
+ bios_linker_loader_add_pointer(linker, ACPI_BUILD_RSDP_FILE,
+ tbl_off + 24, 8,
+ ACPI_BUILD_TABLE_FILE,
+ *rsdp_data->xsdt_tbl_offset);
- /* Checksum to be filled by Guest linker */
+ build_append_int_noprefix(tbl, 0, 1); /* Extended Checksum */
+ build_append_int_noprefix(tbl, 0, 3); /* Reserved */
+
+ /* Checksum to be filled by guest linker */
bios_linker_loader_add_checksum(linker, ACPI_BUILD_RSDP_FILE,
- (char *)rsdp - rsdp_table->data, 20 /* ACPI rev 1.0 RSDP size */,
- (char *)&rsdp->checksum - rsdp_table->data);
+ tbl_off, 20, /* ACPI rev 1.0 RSDP size */
+ 8);
/* Extended checksum to be filled by Guest linker */
bios_linker_loader_add_checksum(linker, ACPI_BUILD_RSDP_FILE,
- (char *)rsdp - rsdp_table->data, 36 /* ACPI rev 2.0 RSDP size */,
- (char *)&rsdp->extended_checksum - rsdp_table->data);
+ tbl_off, 36, /* ACPI rev 2.0 RSDP size */
+ 32);
}
static void