feat(wpa_supplicant): Redefine usd heap to DRAM instead of IRAM

components/wpa_supplicant/component.mk

@@ -1,4 +1,4 @@
 COMPONENT_ADD_INCLUDEDIRS := include port/include
-COMPONENT_SRCDIRS := src/crypto
+COMPONENT_SRCDIRS := src/crypto port
 
 CFLAGS += -DEMBEDDED_SUPP -D__ets__ -DESPRESSIF_USE

components/wpa_supplicant/port/include/os.h

@@ -21,6 +21,9 @@
 #include "esp_err.h"
 #include "rom/ets_sys.h"
 
+#include "FreeRTOS.h"
+#include "esp_libc.h"
+
 typedef long os_time_t;
 
 /**
@@ -188,19 +191,6 @@ char * os_readfile(const char *name, size_t *len);
  * OS_NO_C_LIB_DEFINES can be defined to skip all defines here in which case
  * these functions need to be implemented in os_*.c file for the target system.
  */
- 
-#ifndef os_malloc
-#define os_malloc(s) malloc((s))
-#endif
-#ifndef os_realloc
-#define os_realloc(p, s) realloc((p), (s))
-#endif
-#ifndef os_zalloc
-#define os_zalloc(s) calloc(1, (s))
-#endif
-#ifndef os_free
-#define os_free(p) free((p))
-#endif
 
 #ifndef os_bzero
 #define os_bzero(s, n) bzero(s, n)
@@ -286,6 +276,8 @@ char * ets_strdup(const char *s);
  */
 size_t os_strlcpy(char *dest, const char *src, size_t siz);
 
-
+void *_xmalloc(size_t n);
+void _xfree(void *ptr);
+void *_xrealloc(void *ptr, size_t n);
 
 #endif /* OS_H */

components/wpa_supplicant/port/os_xtensa.c

@@ -21,44 +21,32 @@
  * this file to work correctly. Note that these implementations are only
  * examples and are not optimized for speed.
  */
+#include <string.h>
+#include "FreeRTOS.h"
 
-#include "crypto/common.h"
-#include "os.h"
-#include <stdlib.h>
-#include <time.h>
-#include <sys/time.h>
-#include "esp_system.h"
-
-int os_get_time(struct os_time *t)
+void *_xmalloc(size_t n)
 {
-    return gettimeofday((struct timeval*) t, NULL);
+    void *return_addr = (void *)__builtin_return_address(0);
+
+    return pvPortMalloc_trace(n, return_addr, (unsigned)-1, false);
 }
 
-unsigned long os_random(void)
+void _xfree(void *ptr)
 {
-    return esp_random();
+    void *return_addr = (void *)__builtin_return_address(0);
+
+    vPortFree_trace(ptr, return_addr, (unsigned)-1);
 }
 
-unsigned long r_rand(void) __attribute__((alias("os_random")));
-
-
-int os_get_random(unsigned char *buf, size_t len)
+void *_xrealloc(void *ptr, size_t n)
 {
-    int i, j;
-    unsigned long tmp;
-
-    for (i = 0; i < ((len + 3) & ~3) / 4; i++) {
-        tmp = r_rand();
-
-        for (j = 0; j < 4; j++) {
-            if ((i * 4 + j) < len) {
-                buf[i * 4 + j] = (uint8_t)(tmp >> (j * 8));
-            } else {
-                break;
-            }
-        }
+    void *return_addr = (void *)__builtin_return_address(0);
+    void *p = pvPortMalloc_trace(n, return_addr, (unsigned)-1, false);
+    if (p && ptr) {
+        // n ?
+        memcpy(p, ptr, n);
+        vPortFree_trace(ptr, return_addr, (unsigned)-1);
     }
 
-    return 0;
+    return p;
 }
-

components/wpa_supplicant/src/crypto/libtommath.h

@@ -77,9 +77,9 @@ typedef u64 mp_word;
 #define MP_28BIT
 
 
-#define XMALLOC  os_malloc
-#define XFREE    os_free
-#define XREALLOC os_realloc
+#define XMALLOC  _xmalloc
+#define XFREE    _xfree
+#define XREALLOC _xrealloc
 
 
 #define MP_MASK          ((((mp_digit)1)<<((mp_digit)DIGIT_BIT))-((mp_digit)1))