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https://github.com/RaySollium99/picodrive.git
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49 lines
1.1 KiB
C
49 lines
1.1 KiB
C
/*
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* PicoDrive
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* Copyright (C) 2009,2010 notaz
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*
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* This work is licensed under the terms of MAME license.
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* See COPYING file in the top-level directory.
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*/
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#include <stdio.h>
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#include <pico/pico_int.h>
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#include "cmn.h"
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u8 __attribute__((aligned(4096))) tcache[DRC_TCACHE_SIZE];
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void drc_cmn_init(void)
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{
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int ret = plat_mem_set_exec(tcache, sizeof(tcache));
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elprintf(EL_STATUS, "drc_cmn_init: %p, %zd bytes: %d",
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tcache, sizeof(tcache), ret);
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#ifdef __arm__
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{
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static int test_done;
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if (!test_done)
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{
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int *test_out = (void *)tcache;
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int (*testfunc)(void) = (void *)tcache;
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elprintf(EL_STATUS, "testing if we can run recompiled code..");
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*test_out++ = 0xe3a000dd; // mov r0, 0xdd
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*test_out++ = 0xe12fff1e; // bx lr
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cache_flush_d_inval_i(tcache, test_out);
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// we'll usually crash on broken platforms or bad ports,
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// but do a value check too just in case
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ret = testfunc();
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elprintf(EL_STATUS, "test %s.", ret == 0xdd ? "passed" : "failed");
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test_done = 1;
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}
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}
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#endif
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}
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void drc_cmn_cleanup(void)
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{
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}
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// vim:shiftwidth=2:expandtab
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