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| author | Igor Mammedov <imammedo@redhat.com> | 2021-09-24 08:27:32 -0400 |
|---|---|---|
| committer | Michael S. Tsirkin <mst@redhat.com> | 2021-10-05 17:30:57 -0400 |
| commit | 4b56e1e4eb08e923f68203f0f92a1d3053bceb33 (patch) | |
| tree | 4da47a49f77a27aeff3088029213b3356bed5e24 /hw/acpi/aml-build.c | |
| parent | 7469f1991dc5e061ff724070c65e3fef96602bca (diff) | |
| download | qemu-4b56e1e4eb08e923f68203f0f92a1d3053bceb33.zip qemu-4b56e1e4eb08e923f68203f0f92a1d3053bceb33.tar.gz qemu-4b56e1e4eb08e923f68203f0f92a1d3053bceb33.tar.bz2 | |
acpi: build_fadt: use acpi_table_begin()/acpi_table_end() instead of build_header()
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: <20210924122802.1455362-6-imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'hw/acpi/aml-build.c')
| -rw-r--r-- | hw/acpi/aml-build.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/hw/acpi/aml-build.c b/hw/acpi/aml-build.c index ec870f5..4d0ff6e 100644 --- a/hw/acpi/aml-build.c +++ b/hw/acpi/aml-build.c @@ -1982,9 +1982,10 @@ void build_fadt(GArray *tbl, BIOSLinker *linker, const AcpiFadtData *f, const char *oem_id, const char *oem_table_id) { int off; - int fadt_start = tbl->len; + AcpiTable table = { .sig = "FACP", .rev = f->rev, + .oem_id = oem_id, .oem_table_id = oem_table_id }; - acpi_data_push(tbl, sizeof(AcpiTableHeader)); + acpi_table_begin(&table, tbl); /* FACS address to be filled by Guest linker at runtime */ off = tbl->len; @@ -2048,7 +2049,7 @@ void build_fadt(GArray *tbl, BIOSLinker *linker, const AcpiFadtData *f, build_append_int_noprefix(tbl, f->flags, 4); /* Flags */ if (f->rev == 1) { - goto build_hdr; + goto done; } build_append_gas_from_struct(tbl, &f->reset_reg); /* RESET_REG */ @@ -2085,7 +2086,7 @@ void build_fadt(GArray *tbl, BIOSLinker *linker, const AcpiFadtData *f, build_append_gas(tbl, AML_AS_SYSTEM_MEMORY, 0 , 0, 0, 0); /* X_GPE1_BLK */ if (f->rev <= 4) { - goto build_hdr; + goto done; } /* SLEEP_CONTROL_REG */ @@ -2096,9 +2097,8 @@ void build_fadt(GArray *tbl, BIOSLinker *linker, const AcpiFadtData *f, /* 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); +done: + acpi_table_end(linker, &table); } #ifdef CONFIG_TPM |