cortex-m3-qemu: refactor the port.

Switch from CodeSourcery to ARM GCC and clean-up some stale files,
also copy `main.c` and `mpconfigport.h` from bare-arm.

1 files changed, 0 insertions, 56 deletions

diff --git a/cortex-m3-qemu/gccollect.c b/cortex-m3-qemu/gccollect.c
deleted file mode 100644
index 7a48c18f17..0000000000
--- a/cortex-m3-qemu/gccollect.c
+++ /dev/null
@@ -1,56 +0,0 @@
-#include <stdio.h>
-
-//#include <stm32f4xx_hal.h>
-
-#include "misc.h"
-#include "mpconfig.h"
-#include "qstr.h"
-#include "obj.h"
-#include "gc.h"
-#include "gccollect.h"
-
-machine_uint_t gc_helper_get_regs_and_sp(machine_uint_t *regs);
-
-// obsolete
-// void gc_helper_get_regs_and_clean_stack(machine_uint_t *regs, machine_uint_t heap_end);
-
-void gc_collect(void) {
-    // get current time, in case we want to time the GC
-    uint32_t start = HAL_GetTick();
-
-    // start the GC
-    gc_collect_start();
-
-    // scan everything in RAM before the heap
-    // this includes the data and bss segments
-    // TODO possibly don't need to scan data, since all pointers should start out NULL and be in bss
-    gc_collect_root((void**)&_ram_start, ((uint32_t)&_ebss - (uint32_t)&_ram_start) / sizeof(uint32_t));
-
-    // get the registers and the sp
-    machine_uint_t regs[10];
-    machine_uint_t sp = gc_helper_get_regs_and_sp(regs);
-
-    // trace the stack, including the registers (since they live on the stack in this function)
-    gc_collect_root((void**)sp, ((uint32_t)&_ram_end - sp) / sizeof(uint32_t));
-
-    // end the GC
-    gc_collect_end();
-
-    if (0) {
-        // print GC info
-        uint32_t ticks = HAL_GetTick() - start; // TODO implement a function that does this properly
-        gc_info_t info;
-        gc_info(&info);
-        printf("GC@%lu %lums\n", start, ticks);
-        printf(" %lu total\n", info.total);
-        printf(" %lu : %lu\n", info.used, info.free);
-        printf(" 1=%lu 2=%lu m=%lu\n", info.num_1block, info.num_2block, info.max_block);
-    }
-}
-
-static mp_obj_t pyb_gc(void) {
-    gc_collect();
-    return mp_const_none;
-}
-
-MP_DEFINE_CONST_FUN_OBJ_0(pyb_gc_obj, pyb_gc);