<Qemu SiFive-E> Add project and bootloader

Issue: #233

projects/demo_qemu_sifive_e/build.mk

@@ -0,0 +1,20 @@
+#
+# CYANCORE LICENSE
+# Copyrights (C) 2019, Cyancore Team
+#
+# File Name		: build.mk
+# Description		: This file builds and gathers project properties
+# Primary Author	: Akash Kollipara [akashkollipara@gmail.com]
+# Organisation		: Cyancore Core-Team
+#
+
+PROJECT_DIR	:= $(GET_PATH)
+
+include $(PROJECT_DIR)/../demo.src/build.mk
+include $(PROJECT_DIR)/config.mk
+
+DIR		:= $(PROJECT_DIR)
+include mk/obj.mk
+
+aux_target:
+	make qemu_sifive_e_bl

projects/demo_qemu_sifive_e/config.mk

@@ -0,0 +1,20 @@
+#
+# CYANCORE LICENSE
+# Copyrights (C) 2019, Cyancore Team
+#
+# File Name		: config.mk
+# Description		: This file consists of project config
+# Primary Author	: Akash Kollipara [akashkollipara@gmail.com]
+# Organisation		: Cyancore Core-Team
+#
+
+COMPILER	:= gcc
+TC_VER		:= 10.2.0
+FAMILY		:= sifive
+PLATFORM	:= qemu-sifive-e
+STDLOG_MEMBUF	:= 0
+BOOTMSGS        := 0
+EARLYCON_SERIAL	:= 1
+CONSOLE_SERIAL	:= 1
+OBRDLED_ENABLE	:= 1
+TERRAKERN	:= 0

projects/qemu_sifive_e_bl/build.mk

@@ -0,0 +1,21 @@
+#
+# CYANCORE LICENSE
+# Copyrights (C) 2022, Cyancore Team
+#
+# File Name		: build.mk
+# Description		: This file build project sources and specifies
+#			  project properties
+# Primary Author	: Akash Kollipara [akashkollipara@gmail.com]
+# Organisation		: Cyancore Core-Team
+#
+
+PROJECT_DIR	:= $(GET_PATH)
+
+OPTIMIZATION	:= s
+
+EXE_MODE	:= terravisor
+
+include $(PROJECT_DIR)/config.mk
+
+DIR		:= $(PROJECT_DIR)
+include mk/obj.mk

projects/qemu_sifive_e_bl/config.mk

@@ -0,0 +1,21 @@
+#
+# CYANCORE LICENSE
+# Copyrights (C) 2019, Cyancore Team
+#
+# File Name		: config.mk
+# Description		: This file consists of project config
+# Primary Author	: Akash Kollipara [akashkollipara@gmail.com]
+# Organisation		: Cyancore Core-Team
+#
+
+COMPILER	:= gcc
+TC_VER		:= 10.2.0
+FAMILY		:= sifive
+PLATFORM	:= qemu-sifive-e-bl
+USE_FLOAT	:= 0
+STDLOG_MEMBUF	:= 0
+BOOTMSGS        := 0
+EARLYCON_SERIAL	:= 1
+CONSOLE_SERIAL	:= 0
+OBRDLED_ENABLE	:= 0
+TERRAKERN	:= 0

projects/qemu_sifive_e_bl/project.c

@@ -0,0 +1,41 @@
+/*
+ * CYANCORE LICENSE
+ * Copyrights (C) 2022, Cyancore Team
+ *
+ * File Name		: project.c
+ * Description		: This file consists of project srouces
+ * Primary Author	: Akash Kollipara [akashkollipara@gmail.com]
+ * Organisation		: Cyancore Core-Team
+ */
+
+#include <status.h>
+#include <syslog.h>
+#include <terravisor/bootstrap.h>
+#include <arch.h>
+#include <driver.h>
+#include <interrupt.h>
+#include <platform.h>
+#include <time.h>
+
+void no_program(void);
+void plug()
+{
+	bootstrap();
+	driver_setup_all();
+	syslog_stdout_enable();
+	link_interrupt(int_arch, 2, no_program);
+	syslog(info, "Bootloader!\n");
+	syslog(info, "Jumping to XIP...\n");
+	driver_exit_all();
+	arch_di();
+	platform_jump_to_user_code();
+	return;
+}
+
+void no_program()
+{
+	driver_setup_all();
+	syslog(fail, "No User program found!\n");
+	plat_panic_handler();
+}
+

src/platform/sifive/common_fe310/platform/platform.c

@@ -73,11 +73,17 @@ static void platform_memory_layout()
 
 void platform_setup()
 {
+/*
 	status_t ret = success;
+*/
 
 #if PRCI_CLK
+	status_t ret = success;
 	driver_setup("sysclk_prci");
 	ret |= sysclk_reset();
+	/* This is a temporary change */
+	if(ret != success)
+		exit(EXIT_FAILURE);
 #endif
 
 	driver_setup("earlycon");
@@ -91,9 +97,11 @@ void platform_setup()
 #if PRINT_MEMORY_LAYOUT
 	platform_memory_layout();
 #endif
-
+/* Uncomment this and remove above check if more conditions
+ * are introduced.
 	if(ret != success)
 		exit(EXIT_FAILURE);
+*/
 	return;
 }