[qemu][cortex-m4] Support qemu-m4 target.

target/qemu-m4/include/target/debugconfig.h

@@ -0,0 +1,29 @@
+/*
+ * Copyright (c) 2012 Travis Geiselbrecht
+ *
+ * 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.
+ */
+#ifndef __TARGET_DEBUGCONFIG_H
+#define __TARGET_DEBUGCONFIG_H
+
+// UART 3 is the console
+#define DEBUG_UART 3
+
+#endif

target/qemu-m4/init.c

@@ -0,0 +1,48 @@
+/*
+ * Copyright (c) 2012 Travis Geiselbrecht
+ *
+ * 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 <err.h>
+#include <debug.h>
+#include <trace.h>
+#include <target.h>
+#include <compiler.h>
+#include <dev/gpio.h>
+#include <stm32f4xx_usart.h>
+#include <stm32f4xx_rcc.h>
+#include <stm32f4xx_gpio.h>
+#include <platform/stm32.h>
+#include <platform/gpio.h>
+#include <target/debugconfig.h>
+
+void target_early_init(void)
+{
+	stm32_debug_early_init();
+}
+
+void target_init(void)
+{
+	TRACE_ENTRY;
+
+	stm32_debug_init();
+
+	TRACE_EXIT;
+}

target/qemu-m4/rules.mk

@@ -0,0 +1,22 @@
+LOCAL_DIR := $(GET_LOCAL_DIR)
+
+MODULE := $(LOCAL_DIR)
+
+STM32_CHIP := stm32f407
+
+PLATFORM := stm32f4xx
+
+GLOBAL_DEFINES += \
+	ENABLE_UART2=1 \
+	ENABLE_UART3=1 \
+	HSE_VALUE=8000000 \
+	PLL_M_VALUE=8 \
+	PLL_N_VALUE=336 \
+	PLL_P_VALUE=2 \
+    PKTBUF_POOL_SIZE=16
+
+MODULE_SRCS += \
+	$(LOCAL_DIR)/init.c
+
+include make/module.mk
+