build system refresh

.gitignore

@@ -10,7 +10,5 @@
 .idea
 .vscode
 
-build
+sysroot
-isodir
+isodir
-
-compiler*/

build.sh

@@ -1,11 +1,16 @@
 #!/bin/bash 
 
-./build_libc.sh
+./build_sysroot.sh
+
+./build_libs.sh
+
 ./build_programs.sh
 
 make clean 
 bear -- make
 
+./copy_resources.sh
+
 ./make_img.sh
 
 make -B

build_libc.sh

@@ -1,6 +0,0 @@
-#!/bin/bash
-
-cd rocklibc
-make clean 
-bear -- make 
-cd ..

build_libs.sh

@@ -0,0 +1,17 @@
+#!/bin/bash
+
+cp -r kernel/sys/*.h rlibc/include/sys
+
+cd rlibc
+make clean 
+bear -- make 
+cp rlibc.a ../sysroot/usr/lib
+cp -r include/. ../sysroot/usr/include
+cd ..
+
+cd rlibgui
+make clean
+bear -- make
+cp rlibgui.a ../sysroot/usr/lib
+cp -r include/. ../sysroot/usr/include
+cd ..

build_programs.sh

@@ -1,17 +1,16 @@
 #!/bin/bash
 
-TARGET_DIR="programs"
+cd programs
+ln -s ../sysroot sysroot 2>/dev/null
 
-if [ ! -d "$TARGET_DIR" ]; then
+find "." -type f \( -name "Makefile" -o -name "makefile" \) | while read -r makefile_path; do    
-    exit 1
-fi
-
-find "$TARGET_DIR" -type f \( -name "Makefile" -o -name "makefile" \) | while read -r makefile_path; do    
     dir_path=$(dirname "$makefile_path")
     (
         cd "$dir_path" || exit
         
         make clean
-        make
+        bear -- make
     )
-done
+done
+
+cd..

build_sysroot.sh

@@ -0,0 +1,12 @@
+#!/bin/bash
+
+mkdir -p sysroot
+
+mkdir -p sysroot/usr
+mkdir -p sysroot/dev
+mkdir -p sysroot/kernel
+
+mkdir -p sysroot/usr/include
+mkdir -p sysroot/usr/lib
+mkdir -p sysroot/usr/bin
+mkdir -p sysroot/usr/fonts

clean.sh

@@ -1,9 +1,16 @@
 #!/bin/bash 
 
-cd rocklibc 
+# libc
+cd rlibc 
 make clean
 cd .. 
 
+# libgui
+cd rlibgui
+make clean
+cd ..
+
+# programs
 cd programs
 find . -type f \( -name "Makefile" -o -name "makefile" \) | while read -r makefile_path; do    
     dir_path=$(dirname "$makefile_path")
@@ -13,10 +20,10 @@ find . -type f \( -name "Makefile" -o -name "makefile" \) | while read -r makefi
         make clean
     )
 done
+rm sysroot
 cd ..
 
+# kernel
 make clean
 
-cd initrd
+rm -rf sysroot
-rm -f bin/*.elf
-cd ..

copy_resources.sh

@@ -0,0 +1,5 @@
+#!/bin/bash 
+
+cp -r resources/fonts/. sysroot/usr/fonts
+
+cp -r kernel/. sysroot/kernel

kernel/drivers/ps2/ps2.c

@@ -2,6 +2,8 @@
 
 #include <drivers/ps2/ps2.h>
 
+#include <vfs.h>
+
 static const char scancode_to_ascii[] = {
     0,  27, '1', '2', '3', '4', '5', '6', '7', '8', '9', '0', '-', '=', '\b',
   '\t', 'q', 'w', 'e', 'r', 't', 'y', 'u', 'i', 'o', 'p', '[', ']', '\n', 
@@ -73,7 +75,11 @@ int init_ps2() {
     write_ccb(ccb);
 
     return 0;
-}   
+}
+
+void ps2_init_kbd(vfs_node_t* dev) {
+
+}
 
 char ps2_get_ascii(uint8_t scancode) {
     if (scancode & 0x80) {
@@ -88,4 +94,5 @@ char ps2_get_ascii(uint8_t scancode) {
     }
 
     return 0;
-}
+}
+

kernel/drivers/ps2/ps2.h

@@ -18,8 +18,10 @@
 
 #ifndef __ASSEMBLER__ 
 #include <stdint.h>
+#include <vfs.h>
 
 int init_ps2();
+void ps2_init_kbd(vfs_node_t* dev);
 uint8_t ps2_read_data();
 
 char ps2_get_ascii(uint8_t scancode);

kernel/drivers/vga/vga.c

@@ -2,7 +2,7 @@
 #include <stddef.h>
 #include <stdint.h>
 
-#include <lib/stream.h>
+#include <lib/print.h>
 
 #include <drivers/vga/vga.h>
 #include <drivers/serial/serial.h>
@@ -10,7 +10,7 @@
 #include <common.h>
 #include <memory/mm.h>
 
-#include <user/video.h>
+#include <sys/video.h>
 
 static uint32_t framebuffer_address;
 static uint32_t framebuffer_width;
@@ -19,25 +19,11 @@ static uint32_t framebuffer_total_pixels;
 static uint32_t framebuffer_pitch;
 static uint32_t framebuffer_bpp;
 
-static uint8_t red_mask_sz;
-static uint8_t red_field_pos;
-static uint8_t green_mask_sz;
-static uint8_t green_field_pos;
-static uint8_t blue_mask_sz;
-static uint8_t blue_field_pos;
-
-static uint32_t create_pixel(uint8_t r, uint8_t g, uint8_t b) {
-    return (r >> (8 - red_mask_sz)) << red_field_pos
-         | (g >> (8 - green_mask_sz)) << green_field_pos
-         | (b >> (8 - blue_mask_sz)) << blue_field_pos;
-}
-
 vga_color_t VGA_COLOR_BLACK = {0, 0, 0, 255};
 vga_color_t VGA_COLOR_RED	= {0, 0, 255, 255};
 vga_color_t VGA_COLOR_GREEN	= {0, 255, 0, 255};
 vga_color_t VGA_COLOR_BLUE	= {255, 0, 0, 255};
 
-
 uint32_t vga_mmap(vfs_node_t* node, uint32_t address) {
 	uint32_t fb_size_bytes = framebuffer_height * framebuffer_pitch;
 	uint32_t num_pages = (fb_size_bytes + 4095) / 4096; 
@@ -77,6 +63,8 @@ void vga_init(
 	framebuffer_pitch = fb_pitch;
 	framebuffer_bpp = fb_bpp;
 
+	kprintf("mapping vga pages\n");
+
 	uint32_t fb_size_bytes = fb_height * fb_pitch;
 	uint32_t num_pages = (fb_size_bytes + 4095) / 4096; 
 	for (uint32_t i = 0; i < num_pages; i++) {
@@ -113,9 +101,7 @@ uint8_t vga_get_bpp() {
 }
 
 void vga_clear_scrn(uint32_t color) {
-	if (framebuffer_address == 0) return;
+    uint8_t* fb_bytes = (uint8_t*)VGA_FRAMEBUFFER;
-
-    uint8_t* fb_bytes = (uint8_t*)framebuffer_address;
     uint8_t bytes_per_pixel = framebuffer_bpp / 8;
 
     for (uint32_t y = 0; y < framebuffer_height; y++) {

kernel/kmain.c

@@ -1,4 +1,3 @@
-#include "lib/font.h"
 #include "multiboot.h"
 #include "interrupts.h"
 #include "gdt.h"
@@ -166,20 +165,16 @@ void kmain(multiboot_info* mbi)  {
 
   dev->mnt = devfs;
   kprintf("mounted devfs\n");
-    
+  
-  console_init();
+  int font_loaded = set_console_font("/usr/fonts/kernel_font.psf");
-  kprintf("kernel console initialized\n");
-
-  int font_loaded = set_console_font("/fonts/kernel_font.psf");
   if (!font_loaded) {
     kprintf("failed to load console font\n");
   }
+  console_init();
 
-  kprintf("console font set\n");
+  kprintf("kernel console initialized\n");
   kprintf("basic initializations complete. check serial for details\n");
-
   kprintf("starting rockos\n");
-  load_root_program("/bin/vga_text_term.elf");
 
-  kprintf("kernel going to sleep...\n");
+  load_root_program("/usr/bin/rockterm");
 }

kernel/lib/console.c

@@ -16,7 +16,6 @@ static uint32_t console_text_color;
 static uint32_t console_backgrnd_color;
 
 static void write_vga_char(char c) {
-    print_serial("write_vga_char invoked\r\n");
     uint32_t vga_pitch = vga_get_pitch();
     uint8_t* glyph = (uint8_t*)font->glyphs + (c * font->hdr->charsz);
 
@@ -71,7 +70,6 @@ void console_putchar(char c) {
     if (!font) return;
 
     if (c == '\n') {
-        print_serial("\r\n");
         console_col = 0;
         console_row++;
         if (console_row >= console_height) {
@@ -80,7 +78,6 @@ void console_putchar(char c) {
         return;
     }
     
-    write_serial(c);
     write_vga_char(c);
     
     console_col++;

make_img.sh

@@ -1,12 +1,5 @@
 #!/bin/bash 
 
-mkdir -p initrd
+cd sysroot
-rm -f initrd/bin/*.elf
-
-mkdir -p initrd/dev
-mkdir -p initrd/bin
-cp programs/bin/* initrd/bin
-
-cd initrd
 find . -depth -print | cpio -o -H newc > ../isodir/boot/initrd.img
 cd ..

programs/rocksh/.gitignore

@@ -0,0 +1 @@
+rocksh

programs/rocksh/makefile

@@ -1,10 +1,14 @@
 CC = i686-elf-gcc
 LD = i686-elf-ld
 
-CFLAGS = -ffreestanding -O2 -Wall -Wextra -I../../rocklibc/include
+SYSROOT = ../sysroot
+USR_INCLUDE = $(SYSROOT)/usr/include
+USR_LIB		= $(SYSROOT)/usr/lib
+
+CFLAGS = -ffreestanding -O2 -Wall -Wextra -I$(USR_INCLUDE)
 LDFLAGS = -m elf_i386 -nostdlib
 
-TARGET = rocksh.elf
+TARGET = rocksh
 
 all: $(TARGET)
 
@@ -14,11 +18,12 @@ crt0.o: crt0.S
 main.o: main.c
 	$(CC) $(CFLAGS) -c main.c -o main.o
 
-$(TARGET): crt0.o main.o ../lib/rlibc.a
+$(TARGET): crt0.o main.o $(USR_LIB)/*
-	$(LD) $(LDFLAGS) -T linker.ld crt0.o main.o ../lib/rlibc.a -o $(TARGET)
+	$(LD) $(LDFLAGS) -T linker.ld crt0.o main.o $(USR_LIB)/* -o $(TARGET)
+	cp $(TARGET) $(SYSROOT)/usr/bin
 
 clean:
-	rm -f *.o $(TARGET) compile_commands.json 
+	rm -f *.o $(TARGET) compile_commands.json
 	rm -rf .cache
 
 .PHONY: all clean test

programs/rockterm/.gitignore

@@ -0,0 +1 @@
+rockterm

programs/rockterm/main.c

@@ -1,46 +1,31 @@
-#include "syscall.h"
 #include <unistd.h>
 
 #include <sys/video.h>
 
-#define VGA_TEXT_W 80
+typedef struct {
-#define VGA_TEXT_H 25
 
-void term();
+} font_t;
+
+void term_write_char(char c);
+void render_char_at(char c, int x, int y);
+
+int spawn_shell();
 
 int ptys;
 int ptym;
 
+void* fb;
 fb_info_t fb_info;
-void* framebuffer_address;
 
 int terminal_col = 0;
 int terminal_row = 0;
 
-void term_write_char(char c) {
+font_t* terminal_font = NULL;
-
-}
 
 int main(int argc, char *argv[]) {
     (void)argc;
     (void)argv;
 
-    ptym = pty(&ptys);
-
-    if (fork() == 0) {
-        close(ptym);
-        dup2(ptys, 0);
-        dup2(0, 1);
-        dup2(0, 2);
-
-        exec("/bin/rocksh.elf");  
-    }
-
-    close(ptys);
-    dup2(ptym, 0);
-    dup2(0, 1);
-    dup2(0, 2);
-
     int vga_fd = open("/dev/vga");
     if (vga_fd == -1) return 1;
 
@@ -52,9 +37,38 @@ int main(int argc, char *argv[]) {
         return 1;
     }
 
-    framebuffer_address = mmap(vga_fd);
+    mmap(vga_fd);
-
 
+    // if (!spawn_shell()) {
+    //     return 1;
+    // }
 
     return 0;
+}
+
+void render_char_at(char c, int x, int y) {
+    if (!terminal_font) return;
+}
+
+void term_write_char(char c) {
+
+}
+
+int spawn_shell() {
+    ptym = pty(&ptys);
+
+    if (fork() == 0) {
+        close(ptym);
+        dup2(ptys, 0);
+        dup2(0, 1);
+        dup2(0, 2);
+
+        if (!exec("/usr/bin/rocksh")) return 0;
+    }
+
+    close(ptys);
+    dup2(ptym, 0);
+    dup2(0, 1);
+    dup2(0, 2);
+    return 1;
 }

programs/rockterm/makefile

@@ -0,0 +1,29 @@
+CC = i686-elf-gcc
+LD = i686-elf-ld
+
+SYSROOT = ../sysroot
+USR_INCLUDE = $(SYSROOT)/usr/include
+USR_LIB		= $(SYSROOT)/usr/lib
+
+CFLAGS = -ffreestanding -O2 -Wall -Wextra -I$(USR_INCLUDE)
+LDFLAGS = -m elf_i386 -nostdlib
+
+TARGET = rockterm
+
+all: $(TARGET)
+
+crt0.o: crt0.S
+	$(CC) $(CFLAGS) -c crt0.S -o crt0.o
+
+main.o: main.c
+	$(CC) $(CFLAGS) -c main.c -o main.o
+
+$(TARGET): crt0.o main.o $(USR_LIB)/*
+	$(LD) $(LDFLAGS) -T linker.ld crt0.o main.o $(USR_LIB)/* -o $(TARGET)
+	cp $(TARGET) $(SYSROOT)/usr/bin
+
+clean:
+	rm -f *.o $(TARGET) compile_commands.json
+	rm -rf .cache
+
+.PHONY: all clean test

programs/test/main.c

@@ -1,6 +0,0 @@
-#include <stdio.h>
-
-int main(int argc, char** argv) {
-    printf("hello, world!\n");
-    return 0;
-}

programs/test/makefile

@@ -1,24 +0,0 @@
-CC = i686-elf-gcc
-LD = i686-elf-ld
-
-CFLAGS = -ffreestanding -O2 -Wall -Wextra -I../../rocklibc/include
-LDFLAGS = -m elf_i386 -nostdlib
-
-TARGET = test.elf
-
-all: $(TARGET)
-
-crt0.o: crt0.S
-	$(CC) $(CFLAGS) -c crt0.S -o crt0.o
-
-main.o: main.c
-	$(CC) $(CFLAGS) -c main.c -o main.o
-
-$(TARGET): crt0.o main.o ../lib/rlibc.a
-	$(LD) $(LDFLAGS) -T linker.ld crt0.o main.o ../lib/rlibc.a -o $(TARGET)
-
-clean:
-	rm -f *.o $(TARGET) compile_commands.json
-	rm -rf .cache
-
-.PHONY: all clean test

programs/vga_text_term/crt0.S

@@ -1,21 +0,0 @@
-.global _start
-.extern exit
-.section .text
-_start: 
-    xor %ebp, %ebp
-
-    mov (%esp), %eax
-    lea 4(%esp), %ebx
-    lea 8(%esp,%eax,4), %ecx
-
-    and $-16, %esp
-
-    push %ecx
-    push %ebx
-    push %eax
-
-    call main
-
-    push %eax
-    call exit
-

programs/vga_text_term/linker.ld

@@ -1,31 +0,0 @@
-ENTRY(_start)
-
-SECTIONS
-{
-    . = 0x40000000;
-
-    .text ALIGN(4K) :
-    {
-        /* Force the crt0.o entry code to be placed FIRST in memory */
-        KEEP(*crt0.o(.text))
-        *(.text .text.*)
-    }
-
-    .rodata ALIGN(4K) :
-    {
-        *(.rodata .rodata.*)
-    }
-
-    .data ALIGN(4K) :
-    {
-        *(.data .data.*)
-    }
-
-    .bss ALIGN(4K) :
-    {
-        _bss_start = .;
-        *(.bss .bss.*)
-        *(COMMON)
-        _bss_end = .;
-    }
-}

programs/vga_text_term/makefile

@@ -1,24 +0,0 @@
-CC = i686-elf-gcc
-LD = i686-elf-ld
-
-CFLAGS = -ffreestanding -O2 -Wall -Wextra -I../../rocklibc/include
-LDFLAGS = -m elf_i386 -nostdlib
-
-TARGET = vga_text_term.elf
-
-all: $(TARGET)
-
-crt0.o: crt0.S
-	$(CC) $(CFLAGS) -c crt0.S -o crt0.o
-
-main.o: main.c
-	$(CC) $(CFLAGS) -c main.c -o main.o
-
-$(TARGET): crt0.o main.o ../lib/rlibc.a
-	$(LD) $(LDFLAGS) -T linker.ld crt0.o main.o ../lib/rlibc.a -o $(TARGET)
-
-clean:
-	rm -f *.o $(TARGET) compile_commands.json
-	rm -rf .cache
-
-.PHONY: all clean test

rlibc/include/sys/video.h

@@ -13,4 +13,5 @@ typedef struct {
     uint32_t fb_size;
 } fb_info_t;
 
+
 #endif

rlibc/src/syscall.c

@@ -80,5 +80,5 @@ void* mmap(int fd) {
 }
 
 int ioctl(int fd, uint32_t request, void* arg) {
-    return syscall3(SYS_IOCTL, fd, request, arg);
+    return syscall3(SYS_IOCTL, fd, request, (uint32_t)arg);
 }

rlibgui/makefile

@@ -0,0 +1,20 @@
+CC = i686-elf-gcc
+AR = i686-elf-ar
+CFLAGS = -ffreestanding -O2 -Wall -Wextra -Iinclude
+TARGET = rlibgui.a
+
+SRCS = $(shell find src -name "*.c")
+OBJS = $(SRCS:.c=.o)
+
+all: $(TARGET)
+
+$(TARGET): $(OBJS)
+	$(AR) rcs $@ $(OBJS)
+
+%.o: %.c
+	$(CC) $(CFLAGS) -c $< -o $@
+
+clean:
+	rm -f $(OBJS) $(TARGET) compile_commands.json
+
+.PHONY: all clean