[PATCH 6/9] test: cmd/fdt: do not use fixed buffer addresses
Heinrich Schuchardt
heinrich.schuchardt at canonical.com
Sun Nov 9 11:10:07 CET 2025
The location of memory depends on the board. Do not assume memory at fixed
memory locations. Use memalign() instead to allocate a buffer.
Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt at canonical.com>
---
test/cmd/fdt.c | 8 ++++++--
test/common/print.c | 37 ++++++++++++++++---------------------
2 files changed, 22 insertions(+), 23 deletions(-)
diff --git a/test/cmd/fdt.c b/test/cmd/fdt.c
index b950123b6da..4c3c6308ab4 100644
--- a/test/cmd/fdt.c
+++ b/test/cmd/fdt.c
@@ -265,7 +265,7 @@ FDT_TEST(fdt_test_addr_resize, UTF_CONSOLE);
static int fdt_test_move(struct unit_test_state *uts)
{
char fdt[256];
- ulong addr, newaddr = 0x10000;
+ ulong addr, newaddr;
const int size = sizeof(fdt);
uint32_t ts;
void *buf;
@@ -275,8 +275,10 @@ static int fdt_test_move(struct unit_test_state *uts)
ts = fdt_totalsize(fdt);
/* Moved target DT location */
- buf = map_sysmem(newaddr, size);
+ buf = memalign(8, size);
+ ut_assertnonnull(buf);
memset(buf, 0, size);
+ newaddr = map_to_sysmem(buf);
/* Test moving the working FDT to a new location */
ut_assertok(run_commandf("fdt move %08lx %08lx %x", addr, newaddr, ts));
@@ -288,6 +290,8 @@ static int fdt_test_move(struct unit_test_state *uts)
ut_assert_nextline("Total of %d byte(s) were the same", ts);
ut_assert_console_end();
+ free(buf);
+
return 0;
}
FDT_TEST(fdt_test_move, UTF_CONSOLE);
diff --git a/test/common/print.c b/test/common/print.c
index 2ac7eeed2c1..f33476a36b4 100644
--- a/test/common/print.c
+++ b/test/common/print.c
@@ -266,74 +266,70 @@ static int print_do_hex_dump(struct unit_test_state *uts)
{
u8 *buf;
int i;
+ ulong addr;
buf = calloc(1, BUF_SIZE);
ut_assertnonnull(buf);
+ addr = map_to_sysmem(buf);
for (i = 0; i < 0x11; i++)
buf[i] = i * 0x11;
/* bytes */
print_hex_dump_bytes("", DUMP_PREFIX_ADDRESS, buf, 0x12);
ut_assert_nextline("%0*lx: 00 11 22 33 44 55 66 77 88 99 aa bb cc dd ee ff ..\"3DUfw........",
- IS_ENABLED(CONFIG_PHYS_64BIT) ? 16 : 8,
- (uintptr_t)buf);
+ IS_ENABLED(CONFIG_PHYS_64BIT) ? 16 : 8, addr);
ut_assert_nextline("%0*lx: 10 00 ..",
IS_ENABLED(CONFIG_PHYS_64BIT) ? 16 : 8,
- (uintptr_t)buf + 0x10UL);
+ addr + 0x10UL);
ut_assert_console_end();
/* line length */
print_hex_dump("", DUMP_PREFIX_ADDRESS, 8, 1, buf, 0x12, true);
ut_assert_nextline("%0*lx: 00 11 22 33 44 55 66 77 ..\"3DUfw",
- IS_ENABLED(CONFIG_PHYS_64BIT) ? 16 : 8,
- (uintptr_t)buf);
+ IS_ENABLED(CONFIG_PHYS_64BIT) ? 16 : 8, addr);
ut_assert_nextline("%0*lx: 88 99 aa bb cc dd ee ff ........",
IS_ENABLED(CONFIG_PHYS_64BIT) ? 16 : 8,
- (uintptr_t)buf + 0x8UL);
+ addr + 0x8UL);
ut_assert_nextline("%0*lx: 10 00 ..",
IS_ENABLED(CONFIG_PHYS_64BIT) ? 16 : 8,
- (uintptr_t)buf + 0x10UL);
+ addr + 0x10UL);
ut_assert_console_end();
/* long line */
buf[0x41] = 0x41;
print_hex_dump("", DUMP_PREFIX_ADDRESS, 0x40, 1, buf, 0x42, true);
ut_assert_nextline("%0*lx: 00 11 22 33 44 55 66 77 88 99 aa bb cc dd ee ff 10 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ..\"3DUfw........................................................",
- IS_ENABLED(CONFIG_PHYS_64BIT) ? 16 : 8,
- (uintptr_t)buf);
+ IS_ENABLED(CONFIG_PHYS_64BIT) ? 16 : 8, addr);
ut_assert_nextline("%0*lx: 00 41 .A",
IS_ENABLED(CONFIG_PHYS_64BIT) ? 16 : 8,
- (uintptr_t)buf + 0x40UL);
+ addr + 0x40UL);
ut_assert_console_end();
/* 16-bit */
print_hex_dump("", DUMP_PREFIX_ADDRESS, 0, 2, buf, 0x12, true);
ut_assert_nextline("%0*lx: 1100 3322 5544 7766 9988 bbaa ddcc ffee ..\"3DUfw........",
- IS_ENABLED(CONFIG_PHYS_64BIT) ? 16 : 8,
- (uintptr_t)buf);
+ IS_ENABLED(CONFIG_PHYS_64BIT) ? 16 : 8, addr);
ut_assert_nextline("%0*lx: 0010 ..",
IS_ENABLED(CONFIG_PHYS_64BIT) ? 16 : 8,
- (uintptr_t)buf + 0x10UL);
+ addr + 0x10UL);
ut_assert_console_end();
/* 32-bit */
print_hex_dump("", DUMP_PREFIX_ADDRESS, 0, 4, buf, 0x14, true);
ut_assert_nextline("%0*lx: 33221100 77665544 bbaa9988 ffeeddcc ..\"3DUfw........",
- IS_ENABLED(CONFIG_PHYS_64BIT) ? 16 : 8,
- (uintptr_t)buf);
+ IS_ENABLED(CONFIG_PHYS_64BIT) ? 16 : 8, addr);
ut_assert_nextline("%0*lx: 00000010 ....",
IS_ENABLED(CONFIG_PHYS_64BIT) ? 16 : 8,
- (uintptr_t)buf + 0x10UL);
+ addr + 0x10UL);
ut_assert_console_end();
/* 64-bit */
print_hex_dump("", DUMP_PREFIX_ADDRESS, 16, 8, buf, 0x18, true);
ut_assert_nextline("%0*lx: 7766554433221100 ffeeddccbbaa9988 ..\"3DUfw........",
- IS_ENABLED(CONFIG_PHYS_64BIT) ? 16 : 8,
- (uintptr_t)buf);
+ IS_ENABLED(CONFIG_PHYS_64BIT) ? 16 : 8, addr);
ut_assert_nextline("%0*lx: 0000000000000010 ........",
IS_ENABLED(CONFIG_PHYS_64BIT) ? 16 : 8,
- (uintptr_t)buf + 0x10UL);
+ addr + 0x10UL);
ut_assert_console_end();
/* ASCII */
@@ -345,8 +341,7 @@ static int print_do_hex_dump(struct unit_test_state *uts)
buf[8] = 255;
print_hex_dump("", DUMP_PREFIX_ADDRESS, 0, 1, buf, 10, true);
ut_assert_nextline("%0*lx: 00 1f 20 21 7e 7f 80 81 ff 99 .. !~.....",
- IS_ENABLED(CONFIG_PHYS_64BIT) ? 16 : 8,
- (uintptr_t)buf);
+ IS_ENABLED(CONFIG_PHYS_64BIT) ? 16 : 8, addr);
ut_assert_console_end();
free(buf);
--
2.51.0
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