Xxx baremetal

xxx/Makefile

@@ -0,0 +1,51 @@
+.PHONY: build debug gdb
+
+NASHURL  = "https://github.com/NeowayLabs/nash/releases/download/v0.2.1/nash"
+NASHPATH = ./scripts/.nash
+NASHBIN  = ./scripts/bin/nash
+NASHEXEC := NASHPATH=$(NASHPATH) $(NASHBIN)
+
+all: clean deps build build-baremetal
+
+clean:
+	$(NASHEXEC) ./make.sh clean
+
+deps: $(NASHBIN) scripts/BootProg/mkimg144 scripts/BootProg/flp144.bin
+
+scripts/BootProg/flp144.bin: scripts/BootProg
+	cd scripts/BootProg && nasm -f bin flp144.asm -o flp144.bin
+
+scripts/BootProg/mkimg144: scripts/BootProg
+	cd scripts/BootProg && smlrcc mkimg144.c -o mkimg144
+
+scripts/BootProg:
+	mkdir -p scripts
+	cd scripts && git clone [email protected]:alexfru/BootProg.git
+
+$(NASHBIN):
+	mkdir -p ./scripts/bin
+	wget -c $(NASHURL) -O $(NASHBIN)
+	chmod +x $(NASHBIN)
+	$(NASHBIN) -version
+	mkdir -p $(NASHPATH)/lib
+	cd $(NASHPATH)/lib && git clone [email protected]:NeowayLabs/nashlib.git
+
+build: $(NASHBIN)
+	$(NASHEXEC) ./make.sh build
+
+baremetal: deps
+	$(NASHEXEC) ./make.sh baremetal
+
+test:
+	$(NASHEXEC) ./make.sh test
+
+gdb:
+	$(NASHEXEC) ./make.sh debug-gdb
+
+debug:
+	gdb 	-ex "set architecture 386:386" \
+		-ex "set disassembly-flavor intel" \
+		-ex "layout asm" -ex "layout regs" \
+		-ex "br *0x80490b0" \
+		-ex "set startup-with-shell off" \
+		./xxx

xxx/dat.h

@@ -0,0 +1,23 @@
+/**
+ * common data types
+ */
+
+#include <stdint.h>
+
+/* basic types */
+typedef int32_t i32;
+typedef int16_t i16;
+typedef int8_t i8;
+
+typedef uint32_t u32;
+typedef uint16_t u16;
+typedef uint8_t u8;
+
+/* Reg hold processor registers */
+typedef struct {
+        i32 eax, ebx, ecx, edx;
+        i32 eip, ebp, esi, edi;
+        i32 esp;
+
+        i16 cs, ds, es, fs, gs;
+} Reg;

xxx/fns.h

@@ -0,0 +1,5 @@
+/** function definitions */
+
+void printRegs32(Reg*);
+void printRegs16(Reg*);
+void init();

xxx/kernel/include/xxx/stdio.h

@@ -0,0 +1 @@
+uint16 printf(char *fmt, ...);

xxx/kernel/include/xxx/term.h

@@ -0,0 +1,6 @@
+typedef struct {
+        uint8 x;
+        uint8 y;
+
+        uint8 color;
+} Term;

xxx/kernel/include/xxx/types.h

@@ -0,0 +1,2 @@
+typedef unsigned char uint8;
+typedef unsigned short uint16;

xxx/kernel/include/xxx/vesa.h

@@ -0,0 +1,33 @@
+// video mode, video buffer segment and dimensions
+#define VMODE   3 // 80x25 color text mode
+#define VSEG    0xB800
+#define VWIDTH  80
+#define VHEIGHT 25
+
+// foreground and background colors
+#define FORE_BLACK   0x00
+#define FORE_BLUE    0x01
+#define FORE_GREEN   0x02
+#define FORE_CYAN    0x03
+#define FORE_RED     0x04
+#define FORE_MAGENTA 0x05
+#define FORE_BROWN   0x06
+#define FORE_WHITE   0x07
+#define FORE_GRAY           0x08
+#define FORE_BRIGHT_BLUE    0x09
+#define FORE_BRIGHT_GREEN   0x0A
+#define FORE_BRIGHT_CYAN    0x0B
+#define FORE_BRIGHT_RED     0x0C
+#define FORE_BRIGHT_MAGENTA 0x0D
+#define FORE_YELLOW         0x0E
+#define FORE_BRIGHT_WHITE   0x0F
+#define BACK_BLACK   0x00
+#define BACK_BLUE    0x10
+#define BACK_GREEN   0x20
+#define BACK_CYAN    0x30
+#define BACK_RED     0x40
+#define BACK_MAGENTA 0x50
+#define BACK_BROWN   0x60
+#define BACK_WHITE   0x70
+
+#define TERMCOLOR (BACK_BLACK | FORE_BRIGHT_WHITE)