Add submodule dependency filesHEADmaster

Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec

1 files changed, 83 insertions, 0 deletions

diff --git a/roms/u-boot/common/malloc_simple.c b/roms/u-boot/common/malloc_simple.c
new file mode 100644
index 000000000..0267fb6be
--- /dev/null
+++ b/roms/u-boot/common/malloc_simple.c
@@ -0,0 +1,83 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Simple malloc implementation
+ *
+ * Copyright (c) 2014 Google, Inc
+ */
+
+#define LOG_CATEGORY LOGC_ALLOC
+
+#include <common.h>
+#include <log.h>
+#include <malloc.h>
+#include <mapmem.h>
+#include <asm/global_data.h>
+#include <asm/io.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+static void *alloc_simple(size_t bytes, int align)
+{
+	ulong addr, new_ptr;
+	void *ptr;
+
+	addr = ALIGN(gd->malloc_base + gd->malloc_ptr, align);
+	new_ptr = addr + bytes - gd->malloc_base;
+	log_debug("size=%zx, ptr=%lx, limit=%lx: ", bytes, new_ptr,
+		  gd->malloc_limit);
+	if (new_ptr > gd->malloc_limit) {
+		log_err("alloc space exhausted\n");
+		return NULL;
+	}
+
+	ptr = map_sysmem(addr, bytes);
+	gd->malloc_ptr = ALIGN(new_ptr, sizeof(new_ptr));
+
+	return ptr;
+}
+
+void *malloc_simple(size_t bytes)
+{
+	void *ptr;
+
+	ptr = alloc_simple(bytes, 1);
+	if (!ptr)
+		return ptr;
+
+	log_debug("%lx\n", (ulong)ptr);
+
+	return ptr;
+}
+
+void *memalign_simple(size_t align, size_t bytes)
+{
+	void *ptr;
+
+	ptr = alloc_simple(bytes, align);
+	if (!ptr)
+		return ptr;
+	log_debug("aligned to %lx\n", (ulong)ptr);
+
+	return ptr;
+}
+
+#if CONFIG_IS_ENABLED(SYS_MALLOC_SIMPLE)
+void *calloc(size_t nmemb, size_t elem_size)
+{
+	size_t size = nmemb * elem_size;
+	void *ptr;
+
+	ptr = malloc(size);
+	if (!ptr)
+		return ptr;
+	memset(ptr, '\0', size);
+
+	return ptr;
+}
+#endif
+
+void malloc_simple_info(void)
+{
+	log_info("malloc_simple: %lx bytes used, %lx remain\n", gd->malloc_ptr,
+		 CONFIG_VAL(SYS_MALLOC_F_LEN) - gd->malloc_ptr);
+}