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acpi: Add an acpi command

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It is useful to dump ACPI tables in U-Boot to see what has been generated.
Add a command to handle this.

To allow the command to find the tables, add a position into the global
data.

Support subcommands to list and dump the tables.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Wolfgang Wallner <wolfgang.wallner@br-automation.com>
This commit is contained in:
Simon Glass
2020-04-26 09:19:53 -06:00
committed by Bin Meng
parent b38309b737
commit 0b885bcfd9
7 changed files with 277 additions and 0 deletions
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73
test/dm/acpi.c
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@@ -7,9 +7,11 @@
*/
#include <common.h>
#include <console.h>
#include <dm.h>
#include <malloc.h>
#include <mapmem.h>
#include <version.h>
#include <tables_csum.h>
#include <version.h>
#include <acpi/acpi_table.h>
@@ -212,6 +214,7 @@ static int dm_test_acpi_setup_base_tables(struct unit_test_state *uts)
buf = memalign(64, BUF_SIZE);
ut_assertnonnull(buf);
acpi_setup_base_tables(&ctx, buf + 4);
ut_asserteq(map_to_sysmem(PTR_ALIGN(buf + 4, 16)), gd->arch.acpi_start);
rsdp = buf + 16;
ut_asserteq_ptr(rsdp, ctx.rsdp);
@@ -242,3 +245,73 @@ static int dm_test_acpi_setup_base_tables(struct unit_test_state *uts)
}
DM_TEST(dm_test_acpi_setup_base_tables,
DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
/* Test 'acpi list' command */
static int dm_test_acpi_cmd_list(struct unit_test_state *uts)
{
struct acpi_ctx ctx;
ulong addr;
void *buf;
buf = memalign(16, BUF_SIZE);
ut_assertnonnull(buf);
acpi_setup_base_tables(&ctx, buf);
ut_assertok(acpi_write_dev_tables(&ctx));
console_record_reset();
run_command("acpi list", 0);
addr = (ulong)map_to_sysmem(buf);
ut_assert_nextline("ACPI tables start at %lx", addr);
ut_assert_nextline("RSDP %08lx %06lx (v02 U-BOOT)", addr,
sizeof(struct acpi_rsdp));
addr = ALIGN(addr + sizeof(struct acpi_rsdp), 16);
ut_assert_nextline("RSDT %08lx %06lx (v01 U-BOOT U-BOOTBL %u INTL 0)",
addr, sizeof(struct acpi_table_header) +
2 * sizeof(u32), U_BOOT_BUILD_DATE);
addr = ALIGN(addr + sizeof(struct acpi_rsdt), 16);
ut_assert_nextline("XSDT %08lx %06lx (v01 U-BOOT U-BOOTBL %u INTL 0)",
addr, sizeof(struct acpi_table_header) +
2 * sizeof(u64), U_BOOT_BUILD_DATE);
addr = ALIGN(addr + sizeof(struct acpi_xsdt), 64);
ut_assert_nextline("DMAR %08lx %06lx (v01 U-BOOT U-BOOTBL %u INTL 0)",
addr, sizeof(struct acpi_dmar), U_BOOT_BUILD_DATE);
addr = ALIGN(addr + sizeof(struct acpi_dmar), 16);
ut_assert_nextline("DMAR %08lx %06lx (v01 U-BOOT U-BOOTBL %u INTL 0)",
addr, sizeof(struct acpi_dmar), U_BOOT_BUILD_DATE);
ut_assert_console_end();
return 0;
}
DM_TEST(dm_test_acpi_cmd_list, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
/* Test 'acpi dump' command */
static int dm_test_acpi_cmd_dump(struct unit_test_state *uts)
{
struct acpi_ctx ctx;
ulong addr;
void *buf;
buf = memalign(16, BUF_SIZE);
ut_assertnonnull(buf);
acpi_setup_base_tables(&ctx, buf);
ut_assertok(acpi_write_dev_tables(&ctx));
/* First search for a non-existent table */
console_record_reset();
run_command("acpi dump rdst", 0);
ut_assert_nextline("Table 'RDST' not found");
ut_assert_console_end();
/* Now a real table */
console_record_reset();
run_command("acpi dump dmar", 0);
addr = ALIGN(map_to_sysmem(ctx.xsdt) + sizeof(struct acpi_xsdt), 64);
ut_assert_nextline("DMAR @ %08lx", addr);
ut_assert_nextlines_are_dump(0x30);
ut_assert_console_end();
return 0;
}
DM_TEST(dm_test_acpi_cmd_dump, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);