notaz.gp2x.de / picodrive.git / blame
| Commit | Line | Data |
|---|---|---|
| cff531af | 1 | /* |
| 2 | * PicoDrive | |
| 3 | * Copyright (C) 2009,2010 notaz | |
| 4 | * | |
| 5 | * This work is licensed under the terms of MAME license. | |
| 6 | * See COPYING file in the top-level directory. | |
| 7 | */ | |
| 41397701 | 8 | #include <stdio.h> |
| 41397701 | 9 | |
| 570dde61 | 10 | #include <pico/pico_int.h> |
| 41397701 | 11 | #include "cmn.h" |
| 12 | ||
| ed06ffd3 T |
13 | #ifdef _MSC_VER |
| 14 | u8 tcache[DRC_TCACHE_SIZE]; | |
| 15 | #else | |
| f4bb5d6b | 16 | u8 __attribute__((aligned(4096))) tcache[DRC_TCACHE_SIZE]; |
| ed06ffd3 | 17 | #endif |
| 41397701 | 18 | |
| 19 | ||
| 20 | void drc_cmn_init(void) | |
| 21 | { | |
| 570dde61 | 22 | int ret = plat_mem_set_exec(tcache, sizeof(tcache)); |
| 23 | elprintf(EL_STATUS, "drc_cmn_init: %p, %zd bytes: %d", | |
| 24 | tcache, sizeof(tcache), ret); | |
| 25 | ||
| 26 | #ifdef __arm__ | |
| 0185b677 | 27 | if (PicoOpt & POPT_EN_DRC) |
| 570dde61 | 28 | { |
| 29 | static int test_done; | |
| 30 | if (!test_done) | |
| 31 | { | |
| 32 | int *test_out = (void *)tcache; | |
| 33 | int (*testfunc)(void) = (void *)tcache; | |
| 34 | ||
| 35 | elprintf(EL_STATUS, "testing if we can run recompiled code.."); | |
| 36 | *test_out++ = 0xe3a000dd; // mov r0, 0xdd | |
| 37 | *test_out++ = 0xe12fff1e; // bx lr | |
| 38 | cache_flush_d_inval_i(tcache, test_out); | |
| 39 | ||
| 40 | // we'll usually crash on broken platforms or bad ports, | |
| 41 | // but do a value check too just in case | |
| 42 | ret = testfunc(); | |
| 43 | elprintf(EL_STATUS, "test %s.", ret == 0xdd ? "passed" : "failed"); | |
| 44 | test_done = 1; | |
| 45 | } | |
| 46 | } | |
| 47 | #endif | |
| 41397701 | 48 | } |
| 49 | ||
| 41397701 | 50 | void drc_cmn_cleanup(void) |
| 51 | { | |
| 41397701 | 52 | } |
| 570dde61 | 53 | |
| 54 | // vim:shiftwidth=2:expandtab |