From 99dde4ed1f8edd5ff566a6f0cfec0c83f01ef657 Mon Sep 17 00:00:00 2001
From: Damien George <damien.p.george@gmail.com>
Date: Mon, 12 Jan 2015 12:07:42 +0000
Subject: qemu-arm: Enable GC and native code-gen; enable more tests.

---
 qemu-arm/main.c         |  4 ++++
 qemu-arm/mpconfigport.h |  6 +++---
 qemu-arm/test_main.c    | 16 ++++++++++++++++
 3 files changed, 23 insertions(+), 3 deletions(-)

(limited to 'qemu-arm')

diff --git a/qemu-arm/main.c b/qemu-arm/main.c
index a35005e9d..3750dde45 100644
--- a/qemu-arm/main.c
+++ b/qemu-arm/main.c
@@ -1,6 +1,7 @@
 #include <stdint.h>
 #include <stdio.h>
 #include <string.h>
+#include <malloc.h>
 
 #include "py/nlr.h"
 #include "py/obj.h"
@@ -9,6 +10,7 @@
 #include "py/runtime0.h"
 #include "py/runtime.h"
 #include "py/stackctrl.h"
+#include "py/gc.h"
 #include "py/repl.h"
 #include "py/pfenv.h"
 
@@ -51,6 +53,8 @@ void do_str(const char *src) {
 
 int main(int argc, char **argv) {
     mp_stack_set_limit(10240);
+    void *heap = malloc(16 * 1024);
+    gc_init(heap, (char*)heap + 16 * 1024);
     mp_init();
     do_str("print('hello world!')");
     mp_deinit();
diff --git a/qemu-arm/mpconfigport.h b/qemu-arm/mpconfigport.h
index f9f048655..f5e5d029d 100644
--- a/qemu-arm/mpconfigport.h
+++ b/qemu-arm/mpconfigport.h
@@ -4,11 +4,11 @@
 
 #define MICROPY_ALLOC_PATH_MAX      (512)
 #define MICROPY_EMIT_X64            (0)
-#define MICROPY_EMIT_THUMB          (0)
-#define MICROPY_EMIT_INLINE_THUMB   (0)
+#define MICROPY_EMIT_THUMB          (1)
+#define MICROPY_EMIT_INLINE_THUMB   (1)
 #define MICROPY_MEM_STATS           (0)
 #define MICROPY_DEBUG_PRINTERS      (0)
-#define MICROPY_ENABLE_GC           (0)
+#define MICROPY_ENABLE_GC           (1)
 #define MICROPY_STACK_CHECK         (1)
 #define MICROPY_HELPER_REPL         (0)
 #define MICROPY_HELPER_LEXER_UNIX   (0)
diff --git a/qemu-arm/test_main.c b/qemu-arm/test_main.c
index 30bd16904..cc4e15357 100644
--- a/qemu-arm/test_main.c
+++ b/qemu-arm/test_main.c
@@ -1,6 +1,7 @@
 #include <stdint.h>
 #include <stdio.h>
 #include <string.h>
+#include <malloc.h>
 
 #include "py/nlr.h"
 #include "py/obj.h"
@@ -9,6 +10,7 @@
 #include "py/runtime0.h"
 #include "py/runtime.h"
 #include "py/stackctrl.h"
+#include "py/gc.h"
 #include "py/repl.h"
 #include "py/pfenv.h"
 
@@ -58,6 +60,8 @@ end:
 int main() {
     const char a[] = {"sim"};
     mp_stack_set_limit(10240);
+    void *heap = malloc(256 * 1024);
+    gc_init(heap, (char*)heap + 256 * 1024);
     mp_init();
     int r = tinytest_main(1, (const char **) a, groups);
     mp_deinit();
@@ -66,6 +70,18 @@ int main() {
 }
 
 void gc_collect(void) {
+    gc_collect_start();
+
+    // get the registers and the sp
+    jmp_buf env;
+    setjmp(env);
+    volatile mp_uint_t dummy;
+    void *sp = (void*)&dummy;
+
+    // trace the stack, including the registers (since they live on the stack in this function)
+    gc_collect_root((void**)sp, ((uint32_t)MP_STATE_VM(stack_top) - (uint32_t)sp) / sizeof(uint32_t));
+
+    gc_collect_end();
 }
 
 mp_lexer_t *mp_lexer_new_from_file(const char *filename) {
-- 
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