Hi Shannon,
On 16/08/2016 06:25, Shannon Zhao wrote:
From: Shannon Zhao <shannon.z...@linaro.org>
Signed-off-by: Shannon Zhao <shannon.z...@linaro.org>
---
tools/libxl/libxl_arm_acpi.c | 30 ++++++++++++++++++++++++++++++
1 file changed, 30 insertions(+)
diff --git a/tools/libxl/libxl_arm_acpi.c b/tools/libxl/libxl_arm_acpi.c
index 9432e44..8cd1d9b 100644
--- a/tools/libxl/libxl_arm_acpi.c
+++ b/tools/libxl/libxl_arm_acpi.c
@@ -146,6 +146,35 @@ static void make_acpi_rsdp(libxl__gc *gc, struct
xc_dom_image *dom,
acpitables[RSDP].size);
}
+static void make_acpi_header(struct acpi_table_header *h, const char *sig,
+ int len, uint8_t rev)
len should be size_t.
+{
+ memcpy(h->signature, sig, 4);
+ h->length = len;
+ h->revision = rev;
+ memcpy(h->oem_id, ACPI_BUILD_APPNAME6, 6);
+ memcpy(h->oem_table_id, ACPI_BUILD_APPNAME4, 4);
+ memcpy(h->oem_table_id + 4, sig, 4);
+ h->oem_revision = 1;
+ memcpy(h->asl_compiler_id, ACPI_BUILD_APPNAME4, 4);
+ h->asl_compiler_revision = 1;
+ h->checksum = 0;
+}
+
+static void make_acpi_xsdt(libxl__gc *gc, struct xc_dom_image *dom,
+ struct acpitable acpitables[])
+{
+ uint64_t offset = acpitables[XSDT].addr - GUEST_ACPI_BASE;
+ struct acpi_table_xsdt *xsdt = (void *)dom->acpi_modules[0].data + offset;
+
+ xsdt->table_offset_entry[0] = acpitables[MADT].addr;
+ xsdt->table_offset_entry[1] = acpitables[GTDT].addr;
+ xsdt->table_offset_entry[2] = acpitables[FADT].addr;
+ make_acpi_header(&xsdt->header, "XSDT", acpitables[XSDT].size, 1);
+ calculate_checksum(xsdt, offsetof(struct acpi_table_header, checksum),
+ acpitables[XSDT].size);
+}
+
int libxl__prepare_acpi(libxl__gc *gc, libxl_domain_build_info *info,
libxl__domain_build_state *state,
struct xc_dom_image *dom)
@@ -175,6 +204,7 @@ int libxl__prepare_acpi(libxl__gc *gc,
libxl_domain_build_info *info,
goto out;
make_acpi_rsdp(gc, dom, acpitables);
+ make_acpi_xsdt(gc, dom, acpitables);
out:
return rc;
Regards,
--
Julien Grall
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