From d42b629d983de336ddd3c22782caa2791ab78897 Mon Sep 17 00:00:00 2001 From: Robin Krahl Date: Sun, 5 Mar 2017 21:43:19 +0100 Subject: initial commit --- include/garmos/arch.h | 22 ++++++++++++++++++++++ include/garmos/term.h | 30 ++++++++++++++++++++++++++++++ include/garmos/types.h | 39 +++++++++++++++++++++++++++++++++++++++ include/garmos/vga.h | 40 ++++++++++++++++++++++++++++++++++++++++ 4 files changed, 131 insertions(+) create mode 100644 include/garmos/arch.h create mode 100644 include/garmos/term.h create mode 100644 include/garmos/types.h create mode 100644 include/garmos/vga.h (limited to 'include') diff --git a/include/garmos/arch.h b/include/garmos/arch.h new file mode 100644 index 0000000..1e57e06 --- /dev/null +++ b/include/garmos/arch.h @@ -0,0 +1,22 @@ +/* + * Copyright (C) 2017 Robin Krahl + * + * This program 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) + * any later version. + * + * This program 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. + */ + +#ifndef GARMOS_ARCH_H +#define GARMOS_ARCH_H + +#include + +void regset8(const uint32_t reg, const uint8_t val); + +#endif diff --git a/include/garmos/term.h b/include/garmos/term.h new file mode 100644 index 0000000..35e7273 --- /dev/null +++ b/include/garmos/term.h @@ -0,0 +1,30 @@ +/* + * Copyright (C) 2017 Robin Krahl + * + * This program 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) + * any later version. + * + * This program 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. + */ + +#ifndef GARMOS_TERM_H +#define GARMOS_TERM_H + +#include + +/* + * term is currently only able to access VGA text mode. If VGA text mode is + * not supported, i. e. if ENABLE_VGA is not set, term will not do anything. + */ + +void term_clear(void); +uint8_t term_enabled(void); +void term_put(char c); +void term_print(char *s); + +#endif diff --git a/include/garmos/types.h b/include/garmos/types.h new file mode 100644 index 0000000..cfe13bb --- /dev/null +++ b/include/garmos/types.h @@ -0,0 +1,39 @@ +/* + * Copyright (C) 2017 Robin Krahl + * + * This program 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) + * any later version. + * + * This program 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. + */ + +#ifndef GARMOS_TYPES_H +#define GARMOS_TYPES_H + +/* + * The defines x_IS_INT8, x_IS_INT16 and x_IS_INT32 must be set appropriately + * in the architecture's config.mk. If they are not set, the fixed width int + * types will not be defined and the kernel will not compile. + */ + +#ifdef CHAR_IS_INT8 +#define int8_t signed char +#define uint8_t unsigned char +#endif + +#ifdef SHORT_IS_INT16 +#define int16_t short +#define uint16_t unsigned short +#endif + +#ifdef INT_IS_INT32 +#define int32_t int +#define uint32_t unsigned int +#endif + +#endif diff --git a/include/garmos/vga.h b/include/garmos/vga.h new file mode 100644 index 0000000..f8b1a16 --- /dev/null +++ b/include/garmos/vga.h @@ -0,0 +1,40 @@ +/* + * Copyright (C) 2017 Robin Krahl + * + * This program 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) + * any later version. + * + * This program 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. + */ + +#ifndef GARMOS_VGA_H +#define GARMOS_VGA_H + +#include + +/* + * VGA text mode is only supported if ENABLE_VGA is defined, usually in the + * architecture's config.mk. For VGA_MEMORY, VGA_ROWS and VGA_COLS, sensible + * defaults are chosen. If these default values do not apply, the correct + * values should be set in the architecture's config.mk. + */ + +#ifndef VGA_ROWS +#define VGA_ROWS 20 +#endif + +#ifndef VGA_COLS +#define VGA_COLS 80 +#endif + +void vga_clear(void); +void vga_pclear(uint8_t attr); +void vga_print(uint32_t row, uint32_t col, uint8_t c); +void vga_pprint(uint32_t row, uint32_t col, uint8_t attr, uint8_t c); + +#endif -- cgit v1.2.1