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 | 23 +++++++++++++++++++++++
1 file changed, 23 insertions(+)
diff --git a/tools/libxl/libxl_arm_acpi.c b/tools/libxl/libxl_arm_acpi.c
index 75dfcc2..cb1c9df 100644
--- a/tools/libxl/libxl_arm_acpi.c
+++ b/tools/libxl/libxl_arm_acpi.c
@@ -286,6 +286,25 @@ out:
return rc;
}
+static void make_acpi_fadt(libxl__gc *gc, struct xc_dom_image *dom,
+ struct acpitable acpitables[])
+{
+ uint64_t offset = acpitables[FADT].addr - GUEST_ACPI_BASE;
+ struct acpi_table_fadt *fadt = (void *)dom->acpi_modules[0].data + offset;
+
+ /* Hardware Reduced = 1 and use PSCI 0.2+ and with HVC */
+ fadt->flags = ACPI_FADT_HW_REDUCED;
+ fadt->arm_boot_flags = (ACPI_FADT_PSCI_COMPLIANT) | ACPI_FADT_PSCI_USE_HVC;
NIT: The () are not necessary for ACPI_FADT_PSCI_COMPLIANT
+
+ /* ACPI v5.1 (fadt->revision.fadt->minor_revision) */
+ fadt->minor_revision = 0x1;
+ fadt->dsdt = acpitables[DSDT].addr;
+
+ make_acpi_header(&fadt->header, "FACP", acpitables[FADT].size, 5);
+ calculate_checksum(fadt, offsetof(struct acpi_table_header, checksum),
+ acpitables[FADT].size);
+}
+
int libxl__prepare_acpi(libxl__gc *gc, libxl_domain_build_info *info,
libxl__domain_build_state *state,
struct xc_dom_image *dom)
@@ -318,6 +337,10 @@ int libxl__prepare_acpi(libxl__gc *gc,
libxl_domain_build_info *info,
make_acpi_xsdt(gc, dom, acpitables);
make_acpi_gtdt(gc, dom, acpitables);
rc = make_acpi_madt(gc, dom, info->max_vcpus, xc_config, acpitables);
+ if (rc)
+ goto out;
+
+ make_acpi_fadt(gc, dom, acpitables);
out:
return rc;
Regards,
--
Julien Grall
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