ports: Make new ports/ sub-directory and move all ports there.

This is to keep the top-level directory clean, to make it clear what is
core and what is a port, and to allow the repository to grow with new ports
in a sustainable way.

1 files changed, 0 insertions, 107 deletions

diff --git a/unix/alloc.c b/unix/alloc.c
deleted file mode 100644
index ca12d025b6..0000000000
--- a/unix/alloc.c
+++ /dev/null
@@ -1,107 +0,0 @@
-/*
- * This file is part of the MicroPython project, http://micropython.org/
- *
- * The MIT License (MIT)
- *
- * Copyright (c) 2014 Fabian Vogt
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- */
-
-#include <stdio.h>
-#include <stdint.h>
-#include <stdlib.h>
-#include <string.h>
-#include <sys/mman.h>
-
-#include "py/mpstate.h"
-#include "py/gc.h"
-
-#if MICROPY_EMIT_NATIVE || (MICROPY_PY_FFI && MICROPY_FORCE_PLAT_ALLOC_EXEC)
-
-#if defined(__OpenBSD__) || defined(__MACH__)
-#define MAP_ANONYMOUS MAP_ANON
-#endif
-
-// The memory allocated here is not on the GC heap (and it may contain pointers
-// that need to be GC'd) so we must somehow trace this memory.  We do it by
-// keeping a linked list of all mmap'd regions, and tracing them explicitly.
-
-typedef struct _mmap_region_t {
-    void *ptr;
-    size_t len;
-    struct _mmap_region_t *next;
-} mmap_region_t;
-
-void mp_unix_alloc_exec(size_t min_size, void **ptr, size_t *size) {
-    // size needs to be a multiple of the page size
-    *size = (min_size + 0xfff) & (~0xfff);
-    *ptr = mmap(NULL, *size, PROT_READ | PROT_WRITE | PROT_EXEC, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
-    if (*ptr == MAP_FAILED) {
-        *ptr = NULL;
-    }
-
-    // add new link to the list of mmap'd regions
-    mmap_region_t *rg = m_new_obj(mmap_region_t);
-    rg->ptr = *ptr;
-    rg->len = min_size;
-    rg->next = MP_STATE_VM(mmap_region_head);
-    MP_STATE_VM(mmap_region_head) = rg;
-}
-
-void mp_unix_free_exec(void *ptr, size_t size) {
-    munmap(ptr, size);
-
-    // unlink the mmap'd region from the list
-    for (mmap_region_t **rg = (mmap_region_t**)&MP_STATE_VM(mmap_region_head); *rg != NULL; *rg = (*rg)->next) {
-        if ((*rg)->ptr == ptr) {
-            mmap_region_t *next = (*rg)->next;
-            m_del_obj(mmap_region_t, *rg);
-            *rg = next;
-            return;
-        }
-    }
-}
-
-void mp_unix_mark_exec(void) {
-    for (mmap_region_t *rg = MP_STATE_VM(mmap_region_head); rg != NULL; rg = rg->next) {
-        gc_collect_root(rg->ptr, rg->len / sizeof(mp_uint_t));
-    }
-}
-
-#if MICROPY_FORCE_PLAT_ALLOC_EXEC
-// Provide implementation of libffi ffi_closure_* functions in terms
-// of the functions above. On a normal Linux system, this save a lot
-// of code size.
-void *ffi_closure_alloc(size_t size, void **code);
-void ffi_closure_free(void *ptr);
-
-void *ffi_closure_alloc(size_t size, void **code) {
-    size_t dummy;
-    mp_unix_alloc_exec(size, code, &dummy);
-    return *code;
-}
-
-void ffi_closure_free(void *ptr) {
-    (void)ptr;
-    // TODO
-}
-#endif
-
-#endif // MICROPY_EMIT_NATIVE || (MICROPY_PY_FFI && MICROPY_FORCE_PLAT_ALLOC_EXEC)