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hw/acpi/aml-build: Add Processor hierarchy node structure 

Add a generic API to build Processor hierarchy node structure (Type 0),
which is strictly consistent with descriptions in ACPI 6.3: 5.2.29.1.

This function will be used to build ACPI PPTT table for cpu topology.

Co-developed-by: Ying Fang <fangying1@huawei.com>
Co-developed-by: Henglong Fan <fanhenglong@huawei.com>
Co-developed-by: Yanan Wang <wangyanan55@huawei.com>
Signed-off-by: Yanan Wang <wangyanan55@huawei.com>
Reviewed-by: Andrew Jones <drjones@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Message-Id: <20211020142125.7516-5-wangyanan55@huawei.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Yanan Wang 2021-10-20 22:21:21 +08:00 committed by Richard Henderson
parent 72b0527ff6
commit 9de36ef872
1 changed files with 30 additions and 0 deletions
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30
hw/acpi/aml-build.c
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@ -1964,6 +1964,36 @@ void build_slit(GArray *table_data, BIOSLinker *linker, MachineState *ms,
acpi_table_end(linker, &table);
}
/*
* ACPI spec, Revision 6.3
* 5.2.29.1 Processor hierarchy node structure (Type 0)
*/
static void build_processor_hierarchy_node(GArray *tbl, uint32_t flags,
uint32_t parent, uint32_t id,
uint32_t *priv_rsrc,
uint32_t priv_num)
{
int i;
build_append_byte(tbl, 0); /* Type 0 - processor */
build_append_byte(tbl, 20 + priv_num * 4); /* Length */
build_append_int_noprefix(tbl, 0, 2); /* Reserved */
build_append_int_noprefix(tbl, flags, 4); /* Flags */
build_append_int_noprefix(tbl, parent, 4); /* Parent */
build_append_int_noprefix(tbl, id, 4); /* ACPI Processor ID */
/* Number of private resources */
build_append_int_noprefix(tbl, priv_num, 4);
/* Private resources[N] */
if (priv_num > 0) {
assert(priv_rsrc);
for (i = 0; i < priv_num; i++) {
build_append_int_noprefix(tbl, priv_rsrc[i], 4);
}
}
}
/* 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)