feat(system): Provide more heap region (16KB+)

1. Change cache size from 32KB to 16KB, reverse this 16KB region as heap;
2. New heap to support seperate heap region;
3. Modify pvPortMalloc, support to choose malloc in iram;
4. Add new macro os_malloc_iram to malloc in iram;
5. Default malloc will malloc in iram firstly;

Limitation:
1. Don't malloc task stack in iram;
2. Dont't use iram buffer as wifi tx buffer;

If possible, use all of iram heap region firstly.

internal : 2d3fbebb

VERSION

@@ -1,14 +1,20 @@
 gwen:
-    espnow:     1aafc07
+    crypto:     a8c4880
-    main:       caff253
+    espnow:     a8c4880
-    mesh:       1aafc07
+    main:       a8c4880
-    net80211:   caff253
+    mesh:       a8c4880
-    pp:         caff253
+    minic:      a8c4880
-    wpa:        caff253
+    net80211:   a8c4880
-    wps:        1aafc07
+    pp:         a8c4880
+    pwm:        a8c4880
+    smartconfig:a8c4880
+    wpa:        a8c4880
+    wps:        a8c4880
 
 gitlab:
     espconn:    3a998034
-    lwip:       2235ad17
+    freertos:   ac047746
+    lwip:       ac047746
     driver:     7bee5263
     mbedtls:    1ac9f1f4
+    ssl:        eefb383a

include/espressif/esp_libc.h

@@ -126,7 +126,15 @@ do{\
 #define os_malloc(s)    \
     ({  \
         static const char mem_debug_file[] ICACHE_RODATA_ATTR STORE_ATTR = __FILE__;    \
-        pvPortMalloc(s, mem_debug_file, __LINE__);  \
+        pvPortMalloc(s, mem_debug_file, __LINE__, false);  \
+    })
+#endif
+
+#ifndef os_malloc_iram
+#define os_malloc_iram(s)    \
+    ({  \
+        static const char mem_debug_file[] ICACHE_RODATA_ATTR STORE_ATTR = __FILE__;    \
+        pvPortMalloc(s, mem_debug_file, __LINE__, true);  \
     })
 #endif
 

include/freertos/portable.h

@@ -368,7 +368,7 @@ extern "C" {
 void *pvPortMalloc( size_t xSize ) PRIVILEGED_FUNCTION;
 void vPortFree( void *pv ) PRIVILEGED_FUNCTION;
 #else
-void *pvPortMalloc( size_t xSize, const char *file, unsigned line) PRIVILEGED_FUNCTION;
+void *pvPortMalloc( size_t xSize, const char *file, unsigned line, bool use_iram) PRIVILEGED_FUNCTION;
 void vPortFree( void *pv, const char * file, unsigned line) PRIVILEGED_FUNCTION;
 #endif
 

include/lwip/lwip/mem.h

@@ -81,7 +81,7 @@ typedef size_t mem_size_t;
 	}while(0)
 #endif
 #ifndef mem_malloc
-#define mem_malloc(s) ({const char *file = mem_debug_file; pvPortMalloc(s, file, __LINE__);})
+#define mem_malloc(s) ({const char *file = mem_debug_file; pvPortMalloc(s, file, __LINE__, false);})
 #endif
 #ifndef mem_calloc
 #define mem_calloc(s) ({const char *file = mem_debug_file; pvPortCalloc(s, file, __LINE__);})

include/openssl/platform/ssl_port.h

@@ -25,14 +25,14 @@
 
 #ifdef MEMLEAK_DEBUG
 
-extern void *pvPortMalloc( size_t xWantedSize, const char * file, unsigned line);
+extern void *pvPortMalloc( size_t xWantedSize, const char * file, unsigned line, bool use_iram);
 extern void *pvPortZalloc( size_t xWantedSize, const char * file, unsigned line);
 extern void vPortFree(void *pv, const char * file, unsigned line);
 
 #define ssl_mem_malloc(s)    \
     ({  \
         static const char mem_debug_file[] ICACHE_RODATA_ATTR STORE_ATTR = __FILE__;    \
-        pvPortMalloc(s, mem_debug_file, __LINE__);  \
+        pvPortMalloc(s, mem_debug_file, __LINE__, false);  \
     })
 
 #define ssl_mem_zalloc(s)    \

ld/eagle.app.v6.common.ld

@@ -94,6 +94,7 @@ SECTIONS
     *(.init.literal)
     *(.init)
     *libfreertos.a:(.literal .text .literal.* .text.*)
+    *libmain.a:spi_flash.o(.literal .text .literal.* .text.*)
     *(.literal .text .stub .gnu.warning .gnu.linkonce.literal.* .gnu.linkonce.t.*.literal .gnu.linkonce.t.*)
     *(.fini.literal)
     *(.fini)

third_party/freertos/queue.c

@@ -299,14 +299,14 @@ xQueueHandle xReturn = NULL;
 	/* Allocate the new queue structure. */
 	if( uxQueueLength > ( unsigned portBASE_TYPE ) 0 )
 	{
-		pxNewQueue = ( xQUEUE * ) os_malloc( sizeof( xQUEUE ) );
+		pxNewQueue = ( xQUEUE * ) os_malloc_iram( sizeof( xQUEUE ) );
 		if( pxNewQueue != NULL )
 		{
 			/* Create the list of pointers to queue items.  The queue is one byte
 			longer than asked for to make wrap checking easier/faster. */
 			xQueueSizeInBytes = ( size_t ) ( uxQueueLength * uxItemSize ) + ( size_t ) 1; /*lint !e961 MISRA exception as the casts are only redundant for some ports. */
 
-			pxNewQueue->pcHead = ( signed char * ) os_malloc( xQueueSizeInBytes );
+			pxNewQueue->pcHead = ( signed char * ) os_malloc_iram( xQueueSizeInBytes );
 			if( pxNewQueue->pcHead != NULL )
 			{
 				/* Initialise the queue members as described above where the
@@ -356,7 +356,7 @@ xQueueHandle xReturn = NULL;
 		( void ) ucQueueType;
 
 		/* Allocate the new queue structure. */
-		pxNewQueue = ( xQUEUE * ) os_malloc( sizeof( xQUEUE ) );
+		pxNewQueue = ( xQUEUE * ) os_malloc_iram( sizeof( xQUEUE ) );
 		if( pxNewQueue != NULL )
 		{
 			/* Information required for priority inheritance. */

third_party/freertos/tasks.c

@@ -2486,7 +2486,7 @@ tskTCB *pxNewTCB;
 
 	/* Allocate space for the TCB.  Where the memory comes from depends on
 	the implementation of the port malloc function. */
-	pxNewTCB = ( tskTCB * ) os_malloc( sizeof( tskTCB ) );
+	pxNewTCB = ( tskTCB * ) os_malloc_iram( sizeof( tskTCB ) );
 
 	if( pxNewTCB != NULL )
 	{

third_party/mbedtls/library/ecp.c

@@ -1406,7 +1406,7 @@ static int ecp_mul_comb( mbedtls_ecp_group *grp, mbedtls_ecp_point *R,
 
 cleanup:
 
-    if( T != NULL && ! p_eq_g )
+    if( T != NULL && T != grp->T )
     {
         for( i = 0; i < pre_len; i++ )
             mbedtls_ecp_point_free( &T[i] );