[PATCH] test: do not write to 0x0 except on sandbox
Heinrich Schuchardt
heinrich.schuchardt at canonical.com
Wed Nov 5 19:07:47 CET 2025
ARM and RISC-V do not have memory at 0x0.
On X86 interrupt vectors are stored at 0x0.
Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt at canonical.com>
---
test/cmd/fdt.c | 4 ++++
test/common/print.c | 8 ++++++--
2 files changed, 10 insertions(+), 2 deletions(-)
diff --git a/test/cmd/fdt.c b/test/cmd/fdt.c
index 96a8488e172..6b07999c88f 100644
--- a/test/cmd/fdt.c
+++ b/test/cmd/fdt.c
@@ -269,6 +269,10 @@ static int fdt_test_move(struct unit_test_state *uts)
uint32_t ts;
void *buf;
+ /* This test requires low writable memory */
+ if (!IS_ENABLED(CONFIG_SANDBOX))
+ return -EAGAIN;
+
/* Original source DT */
ut_assertok(make_test_fdt(uts, fdt, size, &addr));
ts = fdt_totalsize(fdt);
diff --git a/test/common/print.c b/test/common/print.c
index 76ee851fe6a..389d6bf4069 100644
--- a/test/common/print.c
+++ b/test/common/print.c
@@ -169,7 +169,7 @@ static int print_display_buffer(struct unit_test_state *uts)
int i;
/* This test requires writable memory at zero */
- if (IS_ENABLED(CONFIG_X86))
+ if (!IS_ENABLED(CONFIG_SANDBOX))
return -EAGAIN;
buf = map_sysmem(0, BUF_SIZE);
@@ -244,6 +244,10 @@ static int print_hexdump_line(struct unit_test_state *uts)
u8 *buf;
int i;
+ /* This test requires writable memory at zero */
+ if (!IS_ENABLED(CONFIG_SANDBOX))
+ return -EAGAIN;
+
buf = map_sysmem(0, BUF_SIZE);
memset(buf, '\0', BUF_SIZE);
for (i = 0; i < 0x11; i++)
@@ -270,7 +274,7 @@ static int print_do_hex_dump(struct unit_test_state *uts)
int i;
/* This test requires writable memory at zero */
- if (IS_ENABLED(CONFIG_X86))
+ if (!IS_ENABLED(CONFIG_SANDBOX))
return -EAGAIN;
buf = map_sysmem(0, BUF_SIZE);
--
2.51.0
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