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acpi: Use U-Boot version for OEM_REVISION

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OEM_REVISION is 32-bit unsigned number. It should be increased only when
changing software version. Therefore it should not depend on build time.

Change calculation to use U-Boot version numbers and set this revision
to date number.

Prior this change OEM_REVISION was calculated from build date and stored in
the same format.

After this change macro U_BOOT_BUILD_DATE is not used in other files so
remove it from global autogenerated files and also from Makefile.

Signed-off-by: Pali Rohár <pali@kernel.org>
Reviewed-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Pali Rohár 2021-07-10 13:10:01 +02:00 committed by Tom Rini
parent 7240e1b8f9
commit a3423b3f23
4 changed files with 31 additions and 10 deletions
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2
Makefile
View file

@ -1890,7 +1890,6 @@ define filechk_timestamp.h
LC_ALL=C $${DATE} -u -d "$${SOURCE_DATE}" +'#define U_BOOT_DATE "%b %d %C%y"'; \
LC_ALL=C $${DATE} -u -d "$${SOURCE_DATE}" +'#define U_BOOT_TIME "%T"'; \
LC_ALL=C $${DATE} -u -d "$${SOURCE_DATE}" +'#define U_BOOT_TZ "%z"'; \
LC_ALL=C $${DATE} -u -d "$${SOURCE_DATE}" +'#define U_BOOT_BUILD_DATE 0x%Y%m%d'; \
LC_ALL=C $${DATE} -u -d "$${SOURCE_DATE}" +'#define U_BOOT_EPOCH %s'; \
else \
return 42; \
@ -1899,7 +1898,6 @@ define filechk_timestamp.h
LC_ALL=C date +'#define U_BOOT_DATE "%b %d %C%y"'; \
LC_ALL=C date +'#define U_BOOT_TIME "%T"'; \
LC_ALL=C date +'#define U_BOOT_TZ "%z"'; \
LC_ALL=C date +'#define U_BOOT_BUILD_DATE 0x%Y%m%d'; \
LC_ALL=C date +'#define U_BOOT_EPOCH %s'; \
fi)
endef

1
doc/develop/version.rst
View file

@ -87,7 +87,6 @@ fields. For example::
#define U_BOOT_DATE "Jan 06 2021" (US format only)
#define U_BOOT_TIME "08:50:36" (24-hour clock)
#define U_BOOT_TZ "-0700" (Time zone in hours)
#define U_BOOT_BUILD_DATE 0x20210106 (hex yyyymmdd format)
#define U_BOOT_EPOCH 1609948236
The Epoch is the number of seconds since midnight on 1/1/70. You can convert

18
lib/acpi/acpi_table.c
View file

@ -17,6 +17,22 @@
#include <asm/global_data.h>
#include <dm/acpi.h>
/*
* OEM_REVISION is 32-bit unsigned number. It should be increased only when
* changing software version. Therefore it should not depend on build time.
* U-Boot calculates it from U-Boot version and represent it in hexadecimal
* notation. As U-Boot version is in form year.month set low 8 bits to 0x01
* to have valid date. So for U-Boot version 2021.04 OEM_REVISION is set to
* value 0x20210401.
*/
#define OEM_REVISION ((((U_BOOT_VERSION_NUM / 1000) % 10) << 28) | \
(((U_BOOT_VERSION_NUM / 100) % 10) << 24) | \
(((U_BOOT_VERSION_NUM / 10) % 10) << 20) | \
((U_BOOT_VERSION_NUM % 10) << 16) | \
(((U_BOOT_VERSION_NUM_PATCH / 10) % 10) << 12) | \
((U_BOOT_VERSION_NUM_PATCH % 10) << 8) | \
0x01)
int acpi_create_dmar(struct acpi_dmar *dmar, enum dmar_flags flags)
{
struct acpi_table_header *header = &dmar->header;
@ -101,7 +117,7 @@ void acpi_fill_header(struct acpi_table_header *header, char *signature)
memcpy(header->signature, signature, 4);
memcpy(header->oem_id, OEM_ID, 6);
memcpy(header->oem_table_id, OEM_TABLE_ID, 8);
header->oem_revision = U_BOOT_BUILD_DATE;
header->oem_revision = OEM_REVISION;
memcpy(header->aslc_id, ASLC_ID, 4);
}

20
test/dm/acpi.c
View file

@ -26,6 +26,14 @@
#define BUF_SIZE 4096
#define OEM_REVISION ((((U_BOOT_VERSION_NUM / 1000) % 10) << 28) | \
(((U_BOOT_VERSION_NUM / 100) % 10) << 24) | \
(((U_BOOT_VERSION_NUM / 10) % 10) << 20) | \
((U_BOOT_VERSION_NUM % 10) << 16) | \
(((U_BOOT_VERSION_NUM_PATCH / 10) % 10) << 12) | \
((U_BOOT_VERSION_NUM_PATCH % 10) << 8) | \
0x01)
/**
* struct testacpi_plat - Platform data for the test ACPI device
*
@ -219,7 +227,7 @@ static int dm_test_acpi_fill_header(struct unit_test_state *uts)
ut_asserteq_mem(OEM_ID, hdr.oem_id, sizeof(hdr.oem_id));
ut_asserteq_mem(OEM_TABLE_ID, hdr.oem_table_id,
sizeof(hdr.oem_table_id));
ut_asserteq(U_BOOT_BUILD_DATE, hdr.oem_revision);
ut_asserteq(OEM_REVISION, hdr.oem_revision);
ut_asserteq_mem(ASLC_ID, hdr.aslc_id, sizeof(hdr.aslc_id));
ut_asserteq(0x44, hdr.aslc_revision);
@ -366,20 +374,20 @@ static int dm_test_acpi_cmd_list(struct unit_test_state *uts)
addr = ALIGN(addr + sizeof(struct acpi_rsdp), 16);
ut_assert_nextline("RSDT %08lx %06zx (v01 U-BOOT U-BOOTBL %x INTL 0)",
addr, sizeof(struct acpi_table_header) +
3 * sizeof(u32), U_BOOT_BUILD_DATE);
3 * sizeof(u32), OEM_REVISION);
addr = ALIGN(addr + sizeof(struct acpi_rsdt), 16);
ut_assert_nextline("XSDT %08lx %06zx (v01 U-BOOT U-BOOTBL %x INTL 0)",
addr, sizeof(struct acpi_table_header) +
3 * sizeof(u64), U_BOOT_BUILD_DATE);
3 * sizeof(u64), OEM_REVISION);
addr = ALIGN(addr + sizeof(struct acpi_xsdt), 64);
ut_assert_nextline("DMAR %08lx %06zx (v01 U-BOOT U-BOOTBL %x INTL 0)",
addr, sizeof(struct acpi_dmar), U_BOOT_BUILD_DATE);
addr, sizeof(struct acpi_dmar), OEM_REVISION);
addr = ALIGN(addr + sizeof(struct acpi_dmar), 16);
ut_assert_nextline("DMAR %08lx %06zx (v01 U-BOOT U-BOOTBL %x INTL 0)",
addr, sizeof(struct acpi_dmar), U_BOOT_BUILD_DATE);
addr, sizeof(struct acpi_dmar), OEM_REVISION);
addr = ALIGN(addr + sizeof(struct acpi_dmar), 16);
ut_assert_nextline("DMAR %08lx %06zx (v01 U-BOOT U-BOOTBL %x INTL 0)",
addr, sizeof(struct acpi_dmar), U_BOOT_BUILD_DATE);
addr, sizeof(struct acpi_dmar), OEM_REVISION);
ut_assert_console_end();
return 0;