From ddefa0cac0ad1cd2028ac531550d9bf2f452d6c4 Mon Sep 17 00:00:00 2001
From: Wesley Moore <wes@wezm.net>
Date: Sat, 8 Mar 2025 11:04:05 +1000
Subject: [PATCH] WIP C harness
---
Makefile | 2 +-
calc.h | 8 ++++++++
tests/charness.c | 11 +++++++++++
tests/harness.s | 5 +++--
4 files changed, 23 insertions(+), 3 deletions(-)
create mode 100644 calc.h
create mode 100644 tests/charness.c
diff --git a/Makefile b/Makefile
index db2e227..55ace46 100644
--- a/Makefile
+++ b/Makefile
@@ -57,7 +57,7 @@ tests/btohex.elf: mem.o hex.o debug.o tests/btohex.o
tests/tohex.elf: hex.o tests/tohex.o
$(LD) -m elf32lriscv -T link.ld $^ -o $@
-tests/harness.elf: tests/harness.o
+tests/harness.elf: tests/harness.o tests/charness.o
$(LD) -m elf32lriscv -T link.ld $^ -o $@
%.o : %.s
diff --git a/calc.h b/calc.h
new file mode 100644
index 0000000..11e2c9a
--- /dev/null
+++ b/calc.h
@@ -0,0 +1,8 @@
+#ifndef CALC_H
+#define CALC_H
+
+typedef unsigned char bool;
+typedef unsigned char u8;
+typedef unsigned int uint;
+
+#endif
diff --git a/tests/charness.c b/tests/charness.c
new file mode 100644
index 0000000..ec8c290
--- /dev/null
+++ b/tests/charness.c
@@ -0,0 +1,11 @@
+#include "../calc.h"
+
+// TODO: make these pascal strings
+extern bool streq(u8 *, uint, u8 *, uint);
+extern int read(u8 *, uint); // read from stdin
+
+void _start(void) {
+
+
+}
+
diff --git a/tests/harness.s b/tests/harness.s
index 37b709e..2c2f84e 100644
--- a/tests/harness.s
+++ b/tests/harness.s
@@ -3,7 +3,8 @@
.org 0
# Provide program starting address to linker
-.global _start
+.global read
+.global streq
# .extern fmt_decimal
@@ -25,7 +26,7 @@ inbuf: .skip 80
.text
-_start:
+_start2:
la a0, inbuf
li a1, 80
jal read