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testfw: Use wordcpy_s() and memcpy_s()

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Use new wordcpy_s() and memcpy_s() functions from lib.c.

Add a local memcpy() which compiling with -Os seems to demand. Why?

Signed-off-by: Daniel Lublin <daniel@lublin.se>
This commit is contained in:
Michael Cardell Widerkrantz 2023-03-01 14:00:27 +01:00 committed by Daniel Lublin
parent cc032d9883
commit b34fdbcd37
No known key found for this signature in database
GPG Key ID: 75BD0FEB8D3E7830
1 changed files with 27 additions and 12 deletions
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39
hw/application_fpga/fw/testfw/main.c
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@ -33,6 +33,18 @@ volatile int (*fw_blake2s)(void *, unsigned long, const void *, unsigned long, c
#define UDI_WORDS 2
#define CDI_WORDS 8
void *memcpy(void *dest, const void *src, size_t n)
{
uint8_t *src_byte = (uint8_t *)src;
uint8_t *dest_byte = (uint8_t *)dest;
for (int i = 0; i < n; i++) {
dest_byte[i] = src_byte[i];
}
return dest;
}
void puts(char *reason)
{
for (char *c = reason; *c != '\0'; c++) {
@ -106,11 +118,11 @@ int main()
puts("I'm testfw on:");
// Output the TK1 core's NAME0 and NAME1
uint32_t name;
wordcpy(&name, (void *)tk1name0, 1);
wordcpy_s(&name, 1, (void *)tk1name0, 1);
reverseword(&name);
putsn((char *)&name, 4);
puts(" ");
wordcpy(&name, (void *)tk1name1, 1);
wordcpy_s(&name, 1, (void *)tk1name1, 1);
reverseword(&name);
putsn((char *)&name, 4);
puts("\r\n");
@ -121,14 +133,16 @@ int main()
int anyfailed = 0;
uint32_t uds_local[UDS_WORDS];
// Should get non-empty UDS
wordcpy(uds_local, (void *)uds, UDS_WORDS);
wordcpy_s(uds_local, UDS_WORDS, (void *)uds, UDS_WORDS);
if (memeq(uds_local, zeros, UDS_WORDS * 4)) {
puts("FAIL: UDS empty\r\n");
anyfailed = 1;
}
// Should NOT be able to read from UDS again
wordcpy(uds_local, (void *)uds, UDS_WORDS);
wordcpy_s(uds_local, UDS_WORDS, (void *)uds, UDS_WORDS);
if (!memeq(uds_local, zeros, UDS_WORDS * 4)) {
puts("FAIL: Read UDS a second time\r\n");
anyfailed = 1;
@ -136,7 +150,7 @@ int main()
uint32_t udi_local[UDI_WORDS];
// Should get non-empty UDI
wordcpy(udi_local, (void *)udi, UDI_WORDS);
wordcpy_s(udi_local, UDI_WORDS, (void *)udi, UDI_WORDS);
if (memeq(udi_local, zeros, UDI_WORDS * 4)) {
puts("FAIL: UDI empty\r\n");
anyfailed = 1;
@ -147,8 +161,9 @@ int main()
0xdeafbeef, 0xdeafbeef, 0xdeafbeef,
0xdeafbeef, 0xdeafbeef};
uint32_t cdi_readback[CDI_WORDS];
wordcpy((void *)cdi, cdi_writetest, CDI_WORDS);
wordcpy(cdi_readback, (void *)cdi, CDI_WORDS);
wordcpy_s((void *)cdi, CDI_WORDS, cdi_writetest, CDI_WORDS);
wordcpy_s(cdi_readback, CDI_WORDS, (void *)cdi, CDI_WORDS);
if (!memeq(cdi_writetest, cdi_readback, CDI_WORDS * 4)) {
puts("FAIL: Can't write CDI in fw mode\r\n");
anyfailed = 1;
@ -181,14 +196,14 @@ int main()
}
// Should NOT be able to read from UDS in app-mode.
wordcpy(uds_local, (void *)uds, UDS_WORDS);
wordcpy_s(uds_local, UDS_WORDS, (void *)uds, UDS_WORDS);
if (!memeq(uds_local, zeros, UDS_WORDS * 4)) {
puts("FAIL: Read from UDS in app-mode\r\n");
anyfailed = 1;
}
// Should NOT be able to read from UDI in app-mode.
wordcpy(udi_local, (void *)udi, UDI_WORDS);
wordcpy_s(udi_local, UDI_WORDS, (void *)udi, UDI_WORDS);
if (!memeq(udi_local, zeros, UDI_WORDS * 4)) {
puts("FAIL: Read from UDI in app-mode\r\n");
anyfailed = 1;
@ -196,11 +211,11 @@ int main()
uint32_t cdi_local[CDI_WORDS];
uint32_t cdi_local2[CDI_WORDS];
wordcpy(cdi_local, (void *)cdi, CDI_WORDS);
wordcpy_s(cdi_local, CDI_WORDS, (void *)cdi, CDI_WORDS);
// Write to CDI should NOT have any effect in app mode.
wordcpy((void *)cdi, zeros, CDI_WORDS);
wordcpy(cdi_local2, (void *)cdi, CDI_WORDS);
wordcpy_s((void *)cdi, CDI_WORDS, zeros, CDI_WORDS);
wordcpy_s(cdi_local2, CDI_WORDS, (void *)cdi, CDI_WORDS);
if (!memeq(cdi_local, cdi_local2, CDI_WORDS * 4)) {
puts("FAIL: Write to CDI in app-mode\r\n");
anyfailed = 1;