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x86: Use the ACPI table writer

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Use the new ACPI writer to write the ACPI tables. At present this is all
done in one monolithic function. Future work will split this out.

Unfortunately the QFW write_acpi_tables() function conflicts with the
'writer' version, so disable that for sandbox.

Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass 2021-12-01 09:02:49 -07:00
parent cc1f8c3988
commit 31c27eb830
4 changed files with 11 additions and 22 deletions
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21
arch/x86/lib/acpi_table.c
View file

@ -503,10 +503,10 @@ static int acpi_create_ssdt(struct acpi_ctx *ctx,
/*
* QEMU's version of write_acpi_tables is defined in drivers/misc/qfw.c
*/
ulong write_acpi_tables(ulong start_addr)
static int write_acpi_tables_x86(struct acpi_ctx *ctx,
const struct acpi_writer *entry)
{
const int thl = sizeof(struct acpi_table_header);
struct acpi_ctx *ctx;
struct acpi_facs *facs;
struct acpi_table_header *dsdt;
struct acpi_fadt *fadt;
@ -516,22 +516,11 @@ ulong write_acpi_tables(ulong start_addr)
struct acpi_madt *madt;
struct acpi_csrt *csrt;
struct acpi_spcr *spcr;
void *start;
int aml_len;
ulong addr;
int ret;
int i;
ctx = malloc(sizeof(*ctx));
if (!ctx)
return log_msg_ret("mem", -ENOMEM);
start = map_sysmem(start_addr, 0);
debug("ACPI: Writing ACPI tables at %lx\n", start_addr);
acpi_reset_items();
acpi_setup_ctx(ctx, start);
acpi_setup_base_tables(ctx);
debug("ACPI: * FACS\n");
@ -674,14 +663,12 @@ ulong write_acpi_tables(ulong start_addr)
acpi_write_dev_tables(ctx);
addr = map_to_sysmem(ctx->current);
debug("current = %lx\n", addr);
acpi_rsdp_addr = (unsigned long)ctx->rsdp;
debug("ACPI: done\n");
return addr;
return 0;
}
ACPI_WRITER(x86, NULL, write_acpi_tables_x86, 0);
ulong acpi_get_rsdp_addr(void)
{

2
drivers/misc/qfw.c
View file

@ -19,7 +19,7 @@
#include <asm/tables.h>
#endif
#ifdef CONFIG_GENERATE_ACPI_TABLE
#if defined(CONFIG_GENERATE_ACPI_TABLE) && !defined(CONFIG_SANDBOX)
/*
* This function allocates memory for ACPI tables
*

4
lib/acpi/acpi_writer.c
View file

@ -40,6 +40,7 @@ int acpi_write_one(struct acpi_ctx *ctx, const struct acpi_writer *entry)
return 0;
}
#ifndef CONFIG_QEMU
static int acpi_write_all(struct acpi_ctx *ctx)
{
const struct acpi_writer *writer =
@ -60,7 +61,7 @@ static int acpi_write_all(struct acpi_ctx *ctx)
/*
* QEMU's version of write_acpi_tables is defined in drivers/misc/qfw.c
*/
ulong new_write_acpi_tables(ulong start_addr)
ulong write_acpi_tables(ulong start_addr)
{
struct acpi_ctx *ctx;
ulong addr;
@ -86,6 +87,7 @@ ulong new_write_acpi_tables(ulong start_addr)
return addr;
}
#endif /* QEMU */
void acpi_setup_ctx(struct acpi_ctx *ctx, ulong start)
{

6
test/dm/acpi.c
View file

@ -322,8 +322,8 @@ static int dm_test_acpi_basic(struct unit_test_state *uts)
}
DM_TEST(dm_test_acpi_basic, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
/* Test acpi_setup_base_tables */
static int dm_test_acpi_setup_base_tables(struct unit_test_state *uts)
/* Test setup_ctx_and_base_tables */
static int dm_test_setup_ctx_and_base_tables(struct unit_test_state *uts)
{
struct acpi_rsdp *rsdp;
struct acpi_rsdt *rsdt;
@ -369,7 +369,7 @@ static int dm_test_acpi_setup_base_tables(struct unit_test_state *uts)
return 0;
}
DM_TEST(dm_test_acpi_setup_base_tables,
DM_TEST(dm_test_setup_ctx_and_base_tables,
UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
/* Test 'acpi list' command */