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authorIgor Mammedov <imammedo@redhat.com>2018-02-28 15:23:54 +0100
committerMichael S. Tsirkin <mst@redhat.com>2018-03-13 23:09:50 +0200
commitdd1b2037a38024b69e952c5ac41fd63b96e552ab (patch)
tree9bcd195b4a51099eeaee84409268e2abda834625 /hw/acpi
parent8612f8bd9fb667c62e9a56c67ab2e3af2798dd9c (diff)
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virt_arm: acpi: reuse common build_fadt()
Extend generic build_fadt() to support rev5.1 FADT and reuse it for 'virt' board, it would allow to phase out usage of AcpiFadtDescriptorRev5_1 and later ACPI_FADT_COMMON_DEF. Signed-off-by: Igor Mammedov <imammedo@redhat.com> Reviewed-by: Eric Auger <eric.auger@redhat.com> Tested-by: Eric Auger <eric.auger@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'hw/acpi')
-rw-r--r--hw/acpi/aml-build.c23
1 files changed, 21 insertions, 2 deletions
diff --git a/hw/acpi/aml-build.c b/hw/acpi/aml-build.c
index 8f45298..3fa557c 100644
--- a/hw/acpi/aml-build.c
+++ b/hw/acpi/aml-build.c
@@ -1679,7 +1679,7 @@ void build_slit(GArray *table_data, BIOSLinker *linker)
table_data->len - slit_start, 1, NULL, NULL);
}
-/* build rev1/rev3 FADT */
+/* build rev1/rev3/rev5.1 FADT */
void build_fadt(GArray *tbl, BIOSLinker *linker, const AcpiFadtData *f,
const char *oem_id, const char *oem_table_id)
{
@@ -1755,7 +1755,14 @@ void build_fadt(GArray *tbl, BIOSLinker *linker, const AcpiFadtData *f,
build_append_gas_from_struct(tbl, &f->reset_reg); /* RESET_REG */
build_append_int_noprefix(tbl, f->reset_val, 1); /* RESET_VALUE */
- build_append_int_noprefix(tbl, 0, 3); /* Reserved, ACPI 3.0 */
+ /* Since ACPI 5.1 */
+ if ((f->rev >= 6) || ((f->rev == 5) && f->minor_ver > 0)) {
+ build_append_int_noprefix(tbl, f->arm_boot_arch, 2); /* ARM_BOOT_ARCH */
+ /* FADT Minor Version */
+ build_append_int_noprefix(tbl, f->minor_ver, 1);
+ } else {
+ build_append_int_noprefix(tbl, 0, 3); /* Reserved upto ACPI 5.0 */
+ }
build_append_int_noprefix(tbl, 0, 8); /* X_FIRMWARE_CTRL */
/* XDSDT address to be filled by Guest linker at runtime */
@@ -1779,6 +1786,18 @@ void build_fadt(GArray *tbl, BIOSLinker *linker, const AcpiFadtData *f,
build_append_gas_from_struct(tbl, &f->gpe0_blk); /* X_GPE0_BLK */
build_append_gas(tbl, AML_AS_SYSTEM_MEMORY, 0 , 0, 0, 0); /* X_GPE1_BLK */
+ if (f->rev <= 4) {
+ goto build_hdr;
+ }
+
+ /* SLEEP_CONTROL_REG */
+ build_append_gas(tbl, AML_AS_SYSTEM_MEMORY, 0 , 0, 0, 0);
+ /* SLEEP_STATUS_REG */
+ build_append_gas(tbl, AML_AS_SYSTEM_MEMORY, 0 , 0, 0, 0);
+
+ /* TODO: extra fields need to be added to support revisions above rev5 */
+ assert(f->rev == 5);
+
build_hdr:
build_header(linker, tbl, (void *)(tbl->data + fadt_start),
"FACP", tbl->len - fadt_start, f->rev, oem_id, oem_table_id);