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acpi: build_slit: use acpi_table_begin()/acpi_table_end() instead of build_header()

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it replaces error-prone pointer arithmetic for build_header() API,
with 2 calls to start and finish table creation,
which hides offsets magic from API user.

Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Message-Id: <20210924122802.1455362-5-imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Igor Mammedov 2021-09-24 08:27:31 -04:00 committed by Michael S. Tsirkin
parent f497b7cae1
commit 7469f1991d
1 changed files with 5 additions and 8 deletions
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13
hw/acpi/aml-build.c
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@ -1958,11 +1958,12 @@ void build_srat_memory(AcpiSratMemoryAffinity *numamem, uint64_t base,
void build_slit(GArray *table_data, BIOSLinker *linker, MachineState *ms,
const char *oem_id, const char *oem_table_id)
{
int slit_start, i, j;
slit_start = table_data->len;
int i, j;
int nb_numa_nodes = ms->numa_state->num_nodes;
AcpiTable table = { .sig = "SLIT", .rev = 1,
.oem_id = oem_id, .oem_table_id = oem_table_id };
acpi_data_push(table_data, sizeof(AcpiTableHeader));
acpi_table_begin(&table, table_data);
build_append_int_noprefix(table_data, nb_numa_nodes, 8);
for (i = 0; i < nb_numa_nodes; i++) {
@ -1973,11 +1974,7 @@ void build_slit(GArray *table_data, BIOSLinker *linker, MachineState *ms,
1);
}
}
build_header(linker, table_data,
(void *)(table_data->data + slit_start),
"SLIT",
table_data->len - slit_start, 1, oem_id, oem_table_id);
acpi_table_end(linker, &table);
}
/* build rev1/rev3/rev5.1 FADT */