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Add more complete fw_ram test; let testfw have stack in RAM

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Signed-off-by: Daniel Lublin <daniel@lublin.se>
This commit is contained in:
Daniel Lublin 2023-03-14 10:55:19 +01:00
parent 5fe7ba7f9d
commit 7a97f1ee5f
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GPG key ID: 75BD0FEB8D3E7830
3 changed files with 106 additions and 13 deletions
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54
hw/application_fpga/fw/testfw/main.c
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@ -105,6 +105,42 @@ uint32_t wait_timer_tick(uint32_t last_timer)
}
}
void zero_fwram()
{
for (int i = 0; i < TK1_MMIO_FW_RAM_SIZE; i++) {
fw_ram[i] = 0x00;
}
}
int check_fwram_zero_except(unsigned int offset, uint8_t expected_val)
{
int failed = 0;
for (unsigned int i = 0; i < TK1_MMIO_FW_RAM_SIZE; i++) {
uint32_t addr = TK1_MMIO_FW_RAM_BASE + i;
uint8_t *p = (uint8_t *)addr;
uint8_t val = *(volatile uint8_t *)p;
int failed_now = 0;
if (i == offset) {
if (val != expected_val) {
failed_now = 1;
puts(" wrong value at: ");
}
} else {
if (val != 0) {
failed_now = 1;
puts(" not zero at: ");
}
}
if (failed_now) {
failed = 1;
reverseword(&addr);
puthexn((uint8_t *)&addr, 4);
puts("\r\n");
}
}
return failed;
}
int main()
{
// Function pointer to blake2s()
@ -171,12 +207,14 @@ int main()
anyfailed = 1;
}
// Test FW-RAM.
*fw_ram = 0x12;
if (*fw_ram != 0x12) {
puts("FAIL: Can't write and read FW RAM in fw mode\r\n");
anyfailed = 1;
// Test FW_RAM.
puts("Testing FW_RAM (takes 15s on hw)...\r\n");
for (unsigned int i = 0; i < TK1_MMIO_FW_RAM_SIZE; i++) {
zero_fwram();
*(volatile uint8_t *)(TK1_MMIO_FW_RAM_BASE + i) = 0x42;
anyfailed = check_fwram_zero_except(i, 0x42);
}
puts("\r\n");
uint32_t sw = *switch_app;
if (sw != 0) {
@ -190,10 +228,6 @@ int main()
// Turn on application mode.
// -------------------------
// Set up another stack because fw_ram is not available
// anymore in app_mode.
asm volatile("li sp, 0x40006ff0");
*switch_app = 1;
sw = *switch_app;
@ -228,7 +262,7 @@ int main()
anyfailed = 1;
}
// Test FW-RAM.
// Test FW_RAM.
*fw_ram = 0x21;
if (*fw_ram == 0x21) {
puts("FAIL: Write and read FW RAM in app-mode\r\n");