100 lines
2.4 KiB
C
100 lines
2.4 KiB
C
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/*
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* Copyright (c) 2008 Travis Geiselbrecht
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files
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* (the "Software"), to deal in the Software without restriction,
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* including without limitation the rights to use, copy, modify, merge,
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* publish, distribute, sublicense, and/or sell copies of the Software,
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* and to permit persons to whom the Software is furnished to do so,
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* subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
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* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#include <stdarg.h>
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#include <reg.h>
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#include <printf.h>
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#include <kernel/thread.h>
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#include <platform/armemu/memmap.h>
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#include <platform/debug.h>
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void _dputc(char c)
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{
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*REG8(DEBUG_STDOUT) = c;
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}
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int dgetc(char *c, bool wait)
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{
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for (;;) {
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int8_t result = (int8_t)*REG8(DEBUG_STDIN);
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if (result == -1) {
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if (wait)
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continue;
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else
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return -1;
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}
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*c = (char)result;
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return 0;
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}
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}
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void debug_dump_regs(void)
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{
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*REG32(DEBUG_REGDUMP) = 1;
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}
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void platform_halt(void)
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{
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*REG32(DEBUG_HALT) = 1;
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for(;;);
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}
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void debug_dump_memory_bytes(void *mem, int len)
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{
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*REG32(DEBUG_MEMDUMPADDR) = (unsigned int)mem;
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*REG32(DEBUG_MEMDUMPLEN) = len;
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*REG32(DEBUG_MEMDUMP_BYTE) = 1;
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}
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void debug_dump_memory_halfwords(void *mem, int len)
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{
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len /= 2;
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*REG32(DEBUG_MEMDUMPADDR) = (unsigned int)mem;
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*REG32(DEBUG_MEMDUMPLEN) = len;
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*REG32(DEBUG_MEMDUMP_HALFWORD) = 1;
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}
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void debug_dump_memory_words(void *mem, int len)
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{
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len /= 4;
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*REG32(DEBUG_MEMDUMPADDR) = (unsigned int)mem;
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*REG32(DEBUG_MEMDUMPLEN) = len;
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*REG32(DEBUG_MEMDUMP_WORD) = 1;
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}
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void debug_set_trace_level(int trace_type, int level)
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{
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if(trace_type < 0 || trace_type >= 4)
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return;
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*REG32(DEBUG_SET_TRACELEVEL_CPU + trace_type * 4) = level;
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}
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uint32_t debug_cycle_count()
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{
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return *REG32(DEBUG_CYCLE_COUNT);
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}
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