Annotation of qemu/roms/openbios/arch/sparc32/console.c, revision 1.1

1.1     ! root        1: /*
        !             2:  * Copyright (C) 2003, 2004 Stefan Reinauer
        !             3:  *
        !             4:  * See the file "COPYING" for further information about
        !             5:  * the copyright and warranty status of this work.
        !             6:  */
        !             7: 
        !             8: #include "config.h"
        !             9: #include "kernel/kernel.h"
        !            10: #include "drivers/drivers.h"
        !            11: #include "openbios.h"
        !            12: #include "libopenbios/console.h"
        !            13: #include "libopenbios/ofmem.h"
        !            14: 
        !            15: void cls(void);
        !            16: 
        !            17: #ifdef CONFIG_DEBUG_CONSOLE
        !            18: 
        !            19: /* ******************************************************************
        !            20:  *          simple polling video/keyboard console functions
        !            21:  * ****************************************************************** */
        !            22: 
        !            23: #ifdef CONFIG_DEBUG_CONSOLE_VIDEO
        !            24: 
        !            25: #define VMEM_BASE 0x00800000ULL
        !            26: #define VMEM_SIZE (1024*768*1)
        !            27: #define DAC_BASE  0x00200000ULL
        !            28: #define DAC_SIZE  16
        !            29: 
        !            30: unsigned char *vmem;
        !            31: volatile uint32_t *dac;
        !            32: 
        !            33: static void video_putchar(int c)
        !            34: {
        !            35:     char buf;
        !            36: 
        !            37:     buf = c & 0xff;
        !            38: 
        !            39:     console_draw_fstr(&buf, 1);
        !            40: }
        !            41: 
        !            42: static void video_cls(void)
        !            43: {
        !            44:     memset((void *)vmem, 0, VMEM_SIZE);
        !            45: }
        !            46: 
        !            47: void tcx_init(uint64_t base)
        !            48: {
        !            49:     vmem = (unsigned char *)ofmem_map_io(base + VMEM_BASE, VMEM_SIZE);
        !            50:     dac = (uint32_t *)ofmem_map_io(base + DAC_BASE, DAC_SIZE);
        !            51: 
        !            52:     console_init();
        !            53: }
        !            54: 
        !            55: #endif
        !            56: 
        !            57: /* ******************************************************************
        !            58:  *      common functions, implementing simple concurrent console
        !            59:  * ****************************************************************** */
        !            60: 
        !            61: int putchar(int c)
        !            62: {
        !            63: #ifdef CONFIG_DEBUG_CONSOLE_SERIAL
        !            64:        serial_putchar(c);
        !            65: #endif
        !            66: #ifdef CONFIG_DEBUG_CONSOLE_VIDEO
        !            67:        video_putchar(c);
        !            68: #endif
        !            69:        return c;
        !            70: }
        !            71: 
        !            72: int availchar(void)
        !            73: {
        !            74: #ifdef CONFIG_DEBUG_CONSOLE_SERIAL
        !            75:        if (uart_charav(CONFIG_SERIAL_PORT))
        !            76:                return 1;
        !            77: #endif
        !            78: #ifdef CONFIG_DEBUG_CONSOLE_VIDEO
        !            79:        if (keyboard_dataready())
        !            80:                return 1;
        !            81: #endif
        !            82:        return 0;
        !            83: }
        !            84: 
        !            85: int getchar(void)
        !            86: {
        !            87: #ifdef CONFIG_DEBUG_CONSOLE_SERIAL
        !            88:        if (uart_charav(CONFIG_SERIAL_PORT))
        !            89:                return (uart_getchar(CONFIG_SERIAL_PORT));
        !            90: #endif
        !            91: #ifdef CONFIG_DEBUG_CONSOLE_VIDEO
        !            92:        if (keyboard_dataready())
        !            93:                return (keyboard_readdata());
        !            94: #endif
        !            95:        return 0;
        !            96: }
        !            97: 
        !            98: void cls(void)
        !            99: {
        !           100: #ifdef CONFIG_DEBUG_CONSOLE_SERIAL
        !           101:        serial_cls();
        !           102: #endif
        !           103: #ifdef CONFIG_DEBUG_CONSOLE_VIDEO
        !           104:        video_cls();
        !           105: #endif
        !           106: }
        !           107: 
        !           108: 
        !           109: #endif                         // CONFIG_DEBUG_CONSOLE

unix.superglobalmegacorp.com

This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.