make error-no, file-operations and inode struct

LINES

@@ -22,3 +22,5 @@
 
 2021-2-25 0.566: 566 lines, 6 files, rain
 
+2021-2-25 0.790: 790 lines, 10 files, rain
+

Makefile

@@ -5,11 +5,11 @@ all:
 	make cunix.img
 
 clear:
-	rm *.bin boot/x86/*.bin kernel/*.o kernel/*.bin kernel/init/*.o cunix.img -rf
+	rm *.bin boot/x86/*.bin kernel/*.o kernel/*.bin kernel/init/*.o kernel/hal/*.o cunix.img -rf
 
 
 lines:
-	wc boot/x86/boot.asm boot/x86/loader.asm kernel/init/*.c include/arch/x86/* -l
+	wc boot/x86/boot.asm boot/x86/loader.asm kernel/init/*.c kernel/hal/*.c include/arch/x86/* include/kernel/* -l
 
 
 cunix.img: boot/x86/bootloader.bin kernel/kernel.bin

README.md

@@ -51,3 +51,6 @@ Cunix kernel
 
 `0.566s-kernel`:
 &nbsp;&nbsp;&nbsp;&nbsp;write in C. <br/>
+
+`0.790s-kernel`:
+&nbsp;&nbsp;&nbsp;&nbsp;make some structs <br/>

include/kernel/errno.h

+/* Copyright (C) 2021 Rain */
+
+/* This file is part of Cunix. */
+
+/* 
+  Cunix is free software: you can redistribute it and/or modify 
+  it under the terms of the GNU General Public License as published by 
+  the Free Software Foundation, either version 3 of the License, or 
+  (at your option) and later version. 
+*/
+
+/*
+  Cunix is distributed in the hope that it will be useful, 
+  but WITHOUT ANY WARRANTY; without even the implied warranty of 
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 
+  GNU General Public License for more details. 
+*/
+
+/*
+  You should have received a copy of the GNU General Public License 
+   along with Cunix. If not, see <https://www.gnu.org/licenses/>.  
+*/
+
+
+
+
+typedef __uint32_t errno_t;
+
+
+/* error in kernel */
+#define E_KERROR 0x20000000
+
+/* error io port */
+#define E_IOERROR 0x00000001
+
+/* no enough memory for this call */
+#define E_NOMEM	  0x00000002
+
+/* call interrupted by signal */
+#define E_SIGNAL  0x00000003
+
+
+/* no permision */
+#define E_DENIED 0x40000000
+
+/* need root to call this */
+#define E_NDROOT 0x00000001
+
+/* no io passport */
+#define E_IODND  0x00000002
+
+/* need hardware super 0 */
+#define E_HARDSP 0x00000003
+
+/* user error (caller) */
+#define E_UERROR 0x80000000
+
+/* syntax error for this call (invalid argument) */
+#define E_SYNERR 0x00000001
+
+/* error because address is invalid */
+#define E_ADDRE  0x00000002
+
+/* call out of range */
+#define E_OUTRAG 0x000000003
+

include/kernel/init.h

+/* Copyright (C) 2021 Rain */
+
+/* This file is part of Cunix. */
+
+/* 
+  Cunix is free software: you can redistribute it and/or modify 
+  it under the terms of the GNU General Public License as published by 
+  the Free Software Foundation, either version 3 of the License, or 
+  (at your option) and later version. 
+*/
+
+/*
+  Cunix is distributed in the hope that it will be useful, 
+  but WITHOUT ANY WARRANTY; without even the implied warranty of 
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 
+  GNU General Public License for more details. 
+*/
+
+/*
+  You should have received a copy of the GNU General Public License 
+   along with Cunix. If not, see <https://www.gnu.org/licenses/>.  
+*/
+
+
+
+
+#include <kernel/types.h>
+#include <kernel/errno.h>
+
+
+
+#define MAKE_MODULE(name) struct file_operations name##_fop = { \
+	.open = name##_open; \
+	.creat = name##_create; \
+	.read = name##_read; \
+	.write = name##_write; \
+	.lseek = name##_lseek; \
+	.close = name##_close; \
+};
+
+
+struct inode_desc {
+	/* this struct is a general descriptor, so we must know
+	 * how big is it. */
+
+	__uint32_t size;
+
+	/* file descriptor */
+	__uint32_t fd;
+
+	/* this is optional */
+	__uint32_t off;
+
+	/* this is optional too */
+	char *name;
+};
+
+
+struct file_oprerations {
+	/* open a file */
+	struct inode_desc * (* open) (char *name, __uint32_t type, __uint32_t mode, __uint32_t *errno);
+	struct inode_desc * (* open) (__uint32_t type, __uint32_t mode, __uint32_t *errno);
+
+	/* or create one */
+
+	/* `creat` doesn't return file-descriptor, it returns errno */
+	errno_t (* creat) (char *name, __uint32_t type, __uint32_t mode);
+	errno_t (* creat) (__uint32_t type, __uint32_t mode);
+
+	/* read from file-descriptor */
+	errno_t (* read) (struct inode_desc *i, char *buffer, __uint64_t l);
+	
+	/* write to file-descriptor */
+	errno_t (* write) (struct inode_desc *i, char *buffer, __uint64_t l);
+
+	/* change position */
+
+	/* 'seg' = whence */
+	__uint32_t (* lseek) (struct inode_desc *i, __uint32_t off, __uint32_t seg);
+
+	/* close a file-descriptor */
+	void (* close) (struct inode_desc *i);
+};
+
+

include/kernel/types.h

+/* Copyright (C) 2021 Rain */
+
+/* This file is part of Cunix. */
+
+/* 
+  Cunix is free software: you can redistribute it and/or modify 
+  it under the terms of the GNU General Public License as published by 
+  the Free Software Foundation, either version 3 of the License, or 
+  (at your option) and later version. 
+*/
+
+/*
+  Cunix is distributed in the hope that it will be useful, 
+  but WITHOUT ANY WARRANTY; without even the implied warranty of 
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 
+  GNU General Public License for more details. 
+*/
+
+/*
+  You should have received a copy of the GNU General Public License 
+   along with Cunix. If not, see <https://www.gnu.org/licenses/>.  
+*/
+
+
+
+
+#define NULL (void *) 0
+
+
+typedef char 		__schar_t;
+typedef unsigned char 	__uchar_t;
+
+typedef short		__sshort_t;
+typedef unsigned short 	__ushort_t;
+
+typedef int 		__sint_t;
+typedef unsigned int	__uint_t;
+
+typedef long		__slong_t;
+typedef unsigned long	__ulong_t;
+
+typedef __uchar_t 	__uint8_t;
+typedef __ushort_t 	__uint16_t;
+typedef __uint_t 	__uint32_t;
+typedef __ulong_t 	__uint64_t;
+
+

kernel/Makefile

 default:
-	make kernel.bin
-
-init/main.o: init/main.c
 	make -C init/
+	make -C hal/
+	make kernel.bin
 
-kernel.o: init/main.o
-	ld -b elf64-x86-64 -o kernel.o init/main.o -T kernel.lds
+kernel.o: init/main.o hal/terminal.o
+	ld -b elf64-x86-64 -o kernel.o init/main.o hal/terminal.o -T kernel.lds
 	
 kernel.bin: kernel.o
 	objcopy -I elf64-x86-64 -S -R ".eh_frame" -R ".comment" -O binary kernel.o kernel.bin

kernel/hal/Makefile

+C_FLAGS = -mcmodel=large -fno-builtin -m64 
+
+all: terminal.c
+
+%.o: %.c
+	gcc -c $*.c $(C_FLAGS)
+
+

kernel/hal/terminal.c

+/* Copyright (C) 2021 Rain */
+
+/* This file is part of Cunix. */
+
+/* 
+  Cunix is free software: you can redistribute it and/or modify 
+  it under the terms of the GNU General Public License as published by 
+  the Free Software Foundation, either version 3 of the License, or 
+  (at your option) and later version. 
+*/
+
+/*
+  Cunix is distributed in the hope that it will be useful, 
+  but WITHOUT ANY WARRANTY; without even the implied warranty of 
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 
+  GNU General Public License for more details. 
+*/
+
+/*
+  You should have received a copy of the GNU General Public License 
+   along with Cunix. If not, see <https://www.gnu.org/licenses/>.  
+*/
+
+
+
+