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added CGA terminal

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This commit is contained in:
Morten Delenk 2017-04-24 16:38:22 +00:00
parent 2503a36016
commit ded713bb4e
13 changed files with 138 additions and 16 deletions
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2
.gitignore vendored
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@ -6,3 +6,5 @@ builddir/
config.cmake
config.h
gen*.h
build/
__pycache__/

8
config.py
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@ -28,6 +28,12 @@ def get_yes_no(p, default=None):
if (x == "") and default is not None:
return default
return x in "yY"
def add_driver(common, name):
if common:
drivers.append("hw/"+name+"/")
else:
drivers.append("hw/"+config["SYSTEM"]+"/"+name+"/")
drivers=[]
config={}
config["ARCH"] = get_from_list("Architecture", ["x86","x86_64","arm"])
exec(open("kernel/arch/"+config["ARCH"]+"/config.py").read())
@ -41,6 +47,8 @@ with open("config.cmake", "w") as f:
f.write('SET('+key+' 1)\n')
elif val != False:
f.write('SET('+key+' '+str(val)+')\n')
for driver in drivers:
f.write("SET(DRIVER_SRCS ${DRIVER_SRCS} "+driver+"*.c "+driver+"*.cpp "+driver+"*.s)\n")
with open("config.h", "w") as f:
for key, val in config.items():

8
kernel/CMakeLists.txt
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@ -25,12 +25,12 @@ FUNCTION(LOAD_PROFILE ISA PLATFORM)
SET(ISA_LINKER_FLAGS ${ISA_LINKER_FLAGS} PARENT_SCOPE)
SET(PLATFORM_LINKER_FLAGS ${ISA_LINKER_FLAGS} PARENT_SCOPE)
ENDFUNCTION(LOAD_PROFILE)
FILE(GLOB_RECURSE GENERIC_SRCS src/*.c src/*.cpp)
FILE(GLOB_RECURSE GENERIC_SRCS src/*.c src/*.cpp ${DRIVER_SRCS})
LOAD_PROFILE(${ARCH} ${SYSTEM})
ADD_EXECUTABLE(kernel ${PLATFORM_SRCS} ${ISA_SRCS} ${GENERIC_SRCS})
SET(CMAKE_ASM-ATT_COMPILE_OBJECT
"<CMAKE_C_COMPILER> -m32 -x assembler-with-cpp -I../../ -I../../libk/include/ -I../../kernel/src/include/ ${ISA_ASM_FLAGS} ${PLATFORM_ASM_FLAGS} -c -o <OBJECT> <SOURCE>")
SET(CMAKE_C_FLAGS "-m32 -w -Werror -Wno-unused -Wno-unused-variable -std=c11 -I../../ -I../../libk/include/ -I../../kernel/src/include/ ${ISA_C_FLAGS} ${PLATFORM_C_FLAGS}")
SET(CMAKE_CXX_FLAGS "-m32 -w -Werror -Wno-unused -Wno-unused-variable -fno-rtti -fno-exceptions -std=gnu++17 -I../../ -I../../libk/include/ -I../../kernel/src/include/ ${ISA_CXX_FLAGS} ${PLATFORM_CXX_FLAGS}")
"<CMAKE_C_COMPILER> -g -m32 -x assembler-with-cpp -I../../ -I../../libk/include/ -I../../kernel/src/include/ ${ISA_ASM_FLAGS} ${PLATFORM_ASM_FLAGS} -c -o <OBJECT> <SOURCE>")
SET(CMAKE_C_FLAGS "-g -m32 -w -Werror -Wno-unused -Wno-unused-variable -std=c11 -ffreestanding -I../../ -I../../libk/include/ -I../../kernel/src/include/ ${ISA_C_FLAGS} ${PLATFORM_C_FLAGS}")
SET(CMAKE_CXX_FLAGS "-g -m32 -w -Werror -Wno-unused -Wno-unused-variable -ffreestanding -fno-rtti -fno-exceptions -std=gnu++17 -I../../ -I../../libk/include/ -I../../kernel/src/include/ ${ISA_CXX_FLAGS} ${PLATFORM_CXX_FLAGS}")
SET_TARGET_PROPERTIES(kernel PROPERTIES LINK_FLAGS
"-T ../../kernel/${PLATFORM_LAYOUT} -N ${ISA_LINKER_FLAGS} ${PLATFORM_LINKER_FLAGS} -nostdlib -nodefaultlibs -lgcc -Wl,--gc-sections")

9
kernel/arch/x86/pc/start.c
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@ -1,9 +0,0 @@
void start() {
const char hw[] = "Hello World!";
int i;
char* video = (char*) 0xb8000;
for (i = 0; hw[i] != '\0'; i++) {
video[i * 2] = hw[i];
video[i * 2 + 1] = 0x07;
}
}

6
kernel/arch/x86/pc/start.cpp Normal file
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@ -0,0 +1,6 @@
#include <tty.hpp>
#include "../../../hw/pc/cgaterm/cgaterm.hpp"
extern "C" void start() {
CGATerm x = CGATerm();
x << "Hallo!\n";
}

69
kernel/hw/pc/cgaterm/cgaterm.cpp Normal file
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@ -0,0 +1,69 @@
#include "cgaterm.hpp"
#include "cp437.hpp"
CGATerm::CGATerm(): TTY(80, 25) {}
CGATerm::~CGATerm() {}
auto CGATerm::rgbSupport() -> bool {return false;}
struct ScreenChar {
unsigned char ch;
char fgcolor:4;
char bgcolor:4;
}__attribute__((packed));
ScreenChar *scr = (ScreenChar*)0xB8000;
auto CGATerm::plotChar(int x, int y, int c) -> void {
char ch = unicodeToCP437(c);
scr[y*80+x].ch = ch;
scr[y*80+x].bgcolor = 0;
char col = 0;
switch(curColor) {
case Color::BLACK:
col = 0;
break;
case Color::BLUE:
col = 1;
break;
case Color::GREEN:
col = 2;
break;
case Color::CYAN:
col = 3;
break;
case Color::RED:
col = 4;
break;
case Color::MAGENTA:
col = 5;
break;
case Color::BROWN:
col = 6;
break;
case Color::LIGHT_GRAY:
col = 7;
break;
case Color::GRAY:
col = 8;
break;
case Color::LIGHT_BLUE:
col = 9;
break;
case Color::LIGHT_GREEN:
col = 10;
break;
case Color::LIGHT_CYAN:
col = 11;
break;
case Color::LIGHT_RED:
col = 12;
break;
case Color::LIGHT_MAGENTA:
col = 13;
break;
case Color::YELLOW:
col = 14;
break;
case Color::WHITE:
col = 15;
break;
}
scr[y*80+x].fgcolor = col;
}

10
kernel/hw/pc/cgaterm/cgaterm.hpp Normal file
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@ -0,0 +1,10 @@
#pragma once
#include <tty.hpp>
class CGATerm: public TTY {
protected:
virtual auto plotChar(int x, int y, int c) -> void;
public:
CGATerm();
virtual ~CGATerm();
virtual auto rgbSupport() -> bool;
};

10
kernel/hw/pc/cgaterm/cp437.cpp Normal file
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@ -0,0 +1,10 @@
int tbl[] = {0, 9786, 9787, 9829, 9830, 9827, 9824, 8226, 9688, 9675, 9689, 9794, 9792, 9834, 9835, 9788, 9658, 9668, 8597, 8252, 182, 167, 9644, 8616, 8593, 8595, 8594, 8592, 8735, 8596, 9652, 9660, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, 112, 113, 114, 115, 116, 117, 118, 119, 120, 121, 122, 123, 124, 125, 126, 8962, 199, 252, 233, 226, 228, 224, 229, 231, 234, 235, 232, 239, 238, 236, 196, 197, 201, 230, 198, 244, 246, 242, 251, 249, 255, 214, 220, 162, 163, 165, 8359, 402, 225, 237, 243, 250, 241, 209, 170, 186, 191, 8976, 172, 189, 188, 161, 171, 187, 9617, 9618, 9619, 9474, 9508, 9569, 9570, 9558, 9557, 9571, 9553, 9559, 9565, 9564, 9563, 9488, 9492, 9524, 9516, 9500, 9472, 9532, 9566, 9567, 9562, 9556, 9577, 9574, 9568, 9552, 9580, 9575, 9576, 9572, 9573, 9561, 9560, 9554, 9555, 9579, 9578, 9496, 9484, 9608, 9604, 9612, 9616, 9600, 945, 223, 915, 960, 931, 963, 181, 964, 934, 920, 937, 948, 8734, 966, 949, 8745, 8801, 177, 8805, 8804, 8992, 8993, 247, 8776, 176, 8729, 183, 8730, 8319, 178, 9632, 160};
char unicodeToCP437(int c) {
for(int i=0; i<256; i++)
if(tbl[i]==c)
return (char)i;
return 0;
}
int CP437ToUnicode(char c) {
return tbl[(unsigned char)c];
}

2
kernel/hw/pc/cgaterm/cp437.hpp Normal file
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@ -0,0 +1,2 @@
char unicodeToCP437(int c);
int CP437ToUnicode(char c);

4
kernel/hw/pc/config.py
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@ -1,3 +1,7 @@
config["ENABLE_FRAMEBUFFER"] = get_yes_no("Use VESA Framebuffer?", True)
if config["ENABLE_FRAMEBUFFER"]:
config["ENABLE_FRAMEBUFFER_UNICODE"] = get_yes_no("Enable full Unicode BMP font (Adds around 1MB to binary)", False)
if config["ENABLE_FRAMEBUFFER"]:
add_driver(False, "vesafb")
else:
add_driver(False, "cgaterm")

20
kernel/src/cppstubs.cpp Normal file
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@ -0,0 +1,20 @@
#include <stdint.h>
#include <stddef.h>
extern "C" void __cxa_pure_virtual() {
//panic("Pure virtual function called.");
}
void * operator new(size_t s) {
return (void*)1;
}
void * operator new[](size_t s) {
return (void*)1;
}
void operator delete(void* p) {}
void operator delete[](void* p) {}
void operator delete(void* p, size_t s) {}
void operator delete[](void* p, size_t s) {}
void * operator new(size_t s, void* p) {return p;}
void * operator new[](size_t s, void* p) {return p;}
void operator delete(void *, void *p) {}
void operator delete[](void *, void *p) {}

4
kernel/src/include/tty.hpp
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@ -1,6 +1,6 @@
#pragma once
#include <kobject.hpp>
enum Color {
enum class Color {
BLACK,
BLUE,
GREEN,
@ -8,7 +8,7 @@ enum Color {
RED,
MAGENTA,
BROWN,
LIGHT_GREY,
LIGHT_GRAY,
GRAY,
LIGHT_BLUE,
LIGHT_GREEN,

2
kernel/src/tty.cpp
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@ -1,5 +1,5 @@
#include <tty.hpp>
TTY::TTY(int width, int height): x(0), y(0), width(width), height(height), curColor(WHITE), rgbColor(0xFFFFFF), useRGB(false), Kobject(kobjectType::TTY) {}
TTY::TTY(int width, int height): x(0), y(0), width(width), height(height), curColor(Color::WHITE), rgbColor(0xFFFFFF), useRGB(false), Kobject(kobjectType::TTY) {}
TTY::~TTY() {}
auto TTY::plotChar(int x, int y, int c) -> void {}
auto TTY::rgbSupport() -> bool {return true;}