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8dc27cc402
With support for this board also come the following changes: - rework blobs handling to get past the 0 size bug - basic cpu "set up" in start.S - assembly memcpy - uart debugging
72 lines
1.4 KiB
C
72 lines
1.4 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
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/*
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* Copyright (c) 2022, Ivaylo Ivanov <ivo.ivanov.ivanov1@gmail.com>
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*/
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#include <stddef.h>
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#include <string.h>
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#include <lib/debug.h>
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#include <lib/simplefb.h>
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#include <lib/video/font.h>
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long int debug_linecount = 0;
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void uart_puts(const char *s);
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// Global log level that controls the verbosity
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static int global_loglevel = CONFIG_LOGLEVEL;
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void printk(int log_level, char *text)
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{
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if (log_level > global_loglevel)
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return;
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char *prefix;
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switch (log_level) {
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case KERN_EMERG:
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prefix = "[EMERG] ";
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break;
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case KERN_ALERT:
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prefix = "[ALERT] ";
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break;
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case KERN_CRIT:
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prefix = "[CRIT] ";
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break;
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case KERN_ERR:
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prefix = "[ERROR] ";
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break;
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case KERN_WARNING:
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prefix = "[WARN] ";
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break;
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case KERN_NOTICE:
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prefix = "[NOTICE] ";
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break;
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case KERN_INFO:
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prefix = "[INFO] ";
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break;
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case KERN_DEBUG:
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prefix = "[DEBUG] ";
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break;
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default:
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prefix = "[LOG] ";
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break;
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}
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#ifdef CONFIG_UART_DEBUG
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uart_puts(prefix);
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uart_puts(text);
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uart_puts("\r");
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#endif
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#ifdef CONFIG_SIMPLE_FB
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// Actually the first line's Y pos. Scales in __simplefb_raw_print
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int y_pos = 5;
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int prefix_width = strlen(prefix) * SCALED_FONTW;
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__simplefb_raw_print((char*)CONFIG_FRAMEBUFFER_BASE, prefix, 0, y_pos,
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CONFIG_FRAMEBUFFER_WIDTH, CONFIG_FRAMEBUFFER_STRIDE);
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__simplefb_raw_print((char*)CONFIG_FRAMEBUFFER_BASE, text, prefix_width, y_pos,
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CONFIG_FRAMEBUFFER_WIDTH, CONFIG_FRAMEBUFFER_STRIDE);
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#endif
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}
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