Merge pull request #90 from VisorFolks/fr-cc-posix

Add initial POSIX support to kernel

- Not Tested on target

README.md

@@ -54,7 +54,7 @@ For details about the framework, follow the README.md in each folder.
 
 Host system requirements:
 * Linux Machine (WSL/Dedicated machine)
-* make utility and cppcheck installed; run 
+* make utility and cppcheck installed; run
 ```sh
   $ sudo apt install build-essential cppcheck -y
 ```

sonar-project.properties

@@ -0,0 +1,10 @@
+sonar.organization=cyancore
+sonar.projectKey=VisorFolks_cyancore
+sonar.sources=src
+sonar.cfamily.build-wrapper-output=toolchain/bw-output
+sonar.verbose=false
+sonar.host.url=https://sonarcloud.io
+sonar.verbose=true
+sonar.cfamily.threads=8
+sonar.cfamily.cache.enabled=true
+sonar.cfamily.cache.path=toolchain/bw-output/cfamily_cache

src/include/status.h

@@ -15,34 +15,65 @@
 
 typedef enum status
 {
-	success				= 0x0000,
+	success				=  0x0000,
+/* Generic error */
 	error_generic			= -0x0001,
 	error_func_inval		= -0x0002,
 	error_func_inval_arg		= -0x0003,
+	error_overflow			= -0x0004,
+/* Driver related error */
 	error_driver			= -0x0100,
 	error_driver_init_done		= -0x0101,
 	error_driver_init_failed	= -0x0102,
 	error_driver_busy		= -0x0103,
 	error_driver_data		= -0x0104,
+/* Device related error */
 	error_device			= -0x0200,
 	error_device_id_inval		= -0x0201,
 	error_device_inval		= -0x0202,
+	error_device_busy		= -0x0203,
+/* Machine Call related error */
 	error_mcall			= -0x0300,
 	error_mcall_code_inval		= -0x0301,
+/* hcall related error */
 	error_hcall			= -0x0400,
+/* Syscall related error */
 	error_scall			= -0x0500,
+	error_scall_code_inval		= -0x0501,
+/* Memory related error */
 	error_memory			= -0x0600,
+	error_memory_low		= -0x0601,
+/* File related error */
 	error_file			= -0x0700,
+	error_file_desc			= -0x0701,
+	error_file_exist		= -0x0702,
+	error_file_not_found		= -0x0703,
+	error_file_no_space		= -0x0704,
+	error_file_long_name		= -0x0705,
+/* String related error */
 	error_string			= -0x0800,
+/* Math related error */
 	error_math			= -0x0900,
 	error_math_inval_arg		= -0x0901,
+	error_math_large_val		= -0x0902,
+/* Access related error */
 	error_access			= -0x0a00,
+/* System related error */
 	error_system			= -0x0b00,
 	error_system_irq_link_fail	= -0x0b01,
 	error_system_irq_unlink_fail	= -0x0b02,
-	error_network			= -0x0c00,
+/* Network related error */
+	error_net			= -0x0c00,
+	error_net_con_timeout		= -0x0c001,
+/* User space related error */
 	error_user			= -0x0d00,
+/* IO related error */
 	error_io			= -0x0e00,
+/* OS related error */
 	error_os			= -0x0f00,
 	error_os_task_overfow		= -0x0f01,
+	error_os_deadlock		= -0x0f02,
+/* Mesg related error */
+	error_mesg			= -0x1000,
+	error_mesg_long			= -0x1001,
 } status_t;

src/include/supervisor_call.h

@@ -0,0 +1,95 @@
+/*
+ * CYANCORE LICENSE
+ * Copyrights (C) 2019, Cyancore Team
+ *
+ * File Name		: supervisor_call.h
+ * Description		: This file consists of supervisor call IDs and prototypes
+ * Primary Author	: Pranjal Chanda [[email protected]]
+ * Organisation		: Cyancore Core-Team
+ */
+
+#pragma once
+#define _SUPER_CALL_H_
+
+#include <stdint.h>
+#include <status.h>
+
+// Supervisor call IDs
+typedef enum scall_id
+{
+	scall_id_generic				= 0x0000,
+	scall_id_is_irq,
+/* pthread related */
+	scall_id_pthread_attr_destroy			= 0x1000,
+	scall_id_pthread_attr_getdetachstate,
+	scall_id_pthread_attr_getschedparam,
+	scall_id_pthread_attr_getstacksize,
+	scall_id_pthread_attr_init,
+	scall_id_pthread_attr_setdetachstate,
+	scall_id_pthread_attr_setschedparam,
+	scall_id_pthread_attr_setschedpolicy,
+	scall_id_pthread_attr_setstacksize,
+	scall_id_pthread_barrier_destroy,
+	scall_id_pthread_barrier_init,
+	scall_id_pthread_barrier_wait,
+	scall_id_pthread_create,
+	scall_id_pthread_cond_broadcast,
+	scall_id_pthread_cond_destroy,
+	scall_id_pthread_cond_init,
+	scall_id_pthread_cond_signal,
+	scall_id_pthread_cond_timedwait,
+	scall_id_pthread_equal,
+	scall_id_pthread_exit,
+	scall_id_pthread_getschedparam,
+	scall_id_pthread_join,
+	scall_id_pthread_mutex_destroy,
+	scall_id_pthread_mutex_init,
+	scall_id_pthread_mutex_timedlock,
+	scall_id_pthread_mutex_unlock,
+	scall_id_pthread_mutexattr_destroy,
+	scall_id_pthread_mutexattr_gettype,
+	scall_id_pthread_mutexattr_init,
+	scall_id_pthread_mutexattr_settype,
+	scall_id_pthread_self,
+	scall_id_pthread_setschedparam,
+	scall_id_pthread_delay_ticks,
+/* mqueue related */
+	scall_id_mq_close,
+	scall_id_mq_setattr,
+	scall_id_mq_getattr,
+	scall_id_mq_open,
+	scall_id_mq_receive,
+	scall_id_mq_send,
+	scall_id_mq_unlink,
+/* semaphore related */
+	scall_id_sem_init,
+	scall_id_sem_destroy,
+	scall_id_sem_getvalue,
+	scall_id_sem_post,
+	scall_id_sem_wait,
+/* scheduler related */
+	scall_id_sched_get_max_priority,
+	scall_id_sched_get_min_priority,
+	scall_id_sched_yield,
+
+} scall_id_t;
+
+typedef struct sret
+{
+	uintptr_t p;
+	size_t size;
+	status_t status;
+} sret_t;
+
+typedef struct scall
+{
+	scall_id_t id;
+	sret_t (*callback)(unsigned int a0, unsigned int a1, unsigned int a2);
+} scall_t;
+
+#define INCLUDE_SCALL(_name, _id , _callback)		\
+	const scall_t _name _SECTION(".scall") =	\
+	{						\
+		.id		= _id,			\
+		.callback	= _callback		\
+	}

src/include/visor/supervisor/workers.h

@@ -0,0 +1,16 @@
+/*
+ * CYANCORE LICENSE
+ * Copyrights (C) 2019, Cyancore Team
+ *
+ * File Name		: worker.h
+ * Description		: This file consists of supervisor-workers
+ *			  and related prototypes
+ * Primary Author	: Pranjal Chanda [[email protected]]
+ * Organisation		: Cyancore Core-Team
+ */
+
+#pragma once
+
+#include <supervisor_call.h>
+
+void super_call(scall_id_t id, unsigned int a0, unsigned int a1, unsigned int a2, sret_t *ret);

src/lib/build.mk

@@ -14,6 +14,7 @@ LIB_DIR		:= $(GET_PATH)
 # Mandatory libraries
 include $(LIB_DIR)/libresource/build.mk
 include $(LIB_DIR)/libc/build.mk
+include $(LIB_DIR)/libposix/build.mk
 #==================================================
 
 include $(LIB_DIR)/libnmath/build.mk

src/lib/libc/printf.c

@@ -107,7 +107,7 @@ int vprintf(const char *fmt, va_list args)
 					break;
 				case 'c':
 					str = va_arg(args, char *);
-					ret += console_putc((int)str);
+					ret += console_putc((int)str[0]);
 					break;
 				case 's':
 					str = va_arg(args, char *);

src/lib/libposix/build.mk

@@ -0,0 +1,22 @@
+#
+# CYANCORE LICENSE
+# Copyrights (C) 2019, Cyancore Team
+#
+# File Name		: build.mk
+# Descrption		: This script accumulates sources and builds
+#			  library
+# Primary Author	: Pranjal Chanda [[email protected]]
+# Organisation		: Cyancore Core-Team
+#
+
+POSIX_PATH	:= $(GET_PATH)
+LIB_OBJS	:=
+
+LIB		:= libposix.a
+LIB_INCLUDE	+= $(POSIX_PATH)/include/
+DEP_LIBS_ARG	+= -lposix
+
+include $(POSIX_PATH)/src/build.mk
+
+DIR		:= $(POSIX_PATH)
+include mk/lib.mk

src/lib/libposix/include/cc_posix_config.h

@@ -0,0 +1,47 @@
+/*
+ * CYANCORE LICENSE
+ * Copyrights (C) 2019, Cyancore Team
+ *
+ * File Name		: cc_posix_config.h
+ * Description		: POSIX user config
+ * Primary Author	: Pranjal Chanda [[email protected]]
+ * Organisation		: Cyancore Core-Team
+ */
+
+#pragma once
+
+#ifndef posixconfigTICK_RATE_HZ
+#define posixconfigTICK_RATE_HZ			(1000)
+#endif
+
+/*******************
+ * MQUEUE configs
+ *******************/
+
+/**
+ * @brief MQUEUE max name length in bytes
+ */
+#ifndef posixconfigMQ_NAME_LEN_MAX
+#define posixconfigMQ_NAME_LEN_MAX		(16)
+#endif
+
+/**
+ * @brief MQUEUE max munber of queues allowed
+ */
+#ifndef posixconfigMQ_MAX_QUEUE
+#define posixconfigMQ_MAX_QUEUE			(5)
+#endif
+
+/**
+ * @brief MQUEUE Maximum number of messages in an mq at one time
+ */
+#ifndef posixconfigMQ_MAX_MESSAGES
+#define posixconfigMQ_MAX_MESSAGES    		(10)
+#endif
+
+/**
+ * @brief MQUEUE Maximum size (in bytes) of each message
+ */
+#ifndef posixconfigMQ_MAX_SIZE
+#define posixconfigMQ_MAX_SIZE    		(128)
+#endif