FW: Force the CPU to hang on errors

tillitis · Mar 14, 2024 · 6ce40d1 · 6ce40d1
1 parent fcccee8
commit 6ce40d1
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Showing 3 changed files with 6 additions and 3 deletions.
diff --git a/hw/application_fpga/firmware.bin.sha512 b/hw/application_fpga/firmware.bin.sha512
@@ -1 +1 @@
-3769540390ee3d990ea3f9e4cc9a0d1af5bcaebb82218185a78c39c6bf01d9cdc305ba253a1fb9f3f9fcc63d97c8e5f34bbb1f7bec56a8f246f1d2239867b623  firmware.bin
+aad49235ab60b732a45bbedf5774c543df1b40d52b226ffc41bc6c3e2dbbb3963e810f0a52ccf7ba4689b414f1cb941076b896a47d2377fb61c1976bdbcebe17  firmware.bin
diff --git a/hw/application_fpga/fw/tk1/assert.c b/hw/application_fpga/fw/tk1/assert.c
@@ -20,6 +20,9 @@ void assert_fail(const char *assertion, const char *file, unsigned int line,
 	htif_puts(function);
 	htif_lf();
 
-	forever_redflash();
+	// Force illegal instruction to halt CPU
+	asm volatile("unimp");
+
 	// Not reached
+	__builtin_unreachable();
 }
diff --git a/hw/application_fpga/fw/tk1/main.c b/hw/application_fpga/fw/tk1/main.c
@@ -431,7 +431,7 @@ int main()
 			htif_puts("firmware state 0x");
 			htif_puthex(state);
 			htif_lf();
-			forever_redflash();
+			assert(1 == 2);
 			break; // Not reached
 		}
 	}