diff options
Diffstat (limited to 'libgloss/sparc_leon/contextswitch.c')
| -rw-r--r-- | libgloss/sparc_leon/contextswitch.c | 121 |
1 files changed, 0 insertions, 121 deletions
diff --git a/libgloss/sparc_leon/contextswitch.c b/libgloss/sparc_leon/contextswitch.c deleted file mode 100644 index 7aafec41f..000000000 --- a/libgloss/sparc_leon/contextswitch.c +++ /dev/null @@ -1,121 +0,0 @@ -/* - * Copyright (c) 2011 Aeroflex Gaisler - * - * BSD license: - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to deal - * in the Software without restriction, including without limitation the rights - * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - * copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN - * THE SOFTWARE. - */ - - -#include <asm-leon/leon.h> -#include <asm-leon/leonstack.h> -#include <asm-leon/irq.h> -#include <asm-leon/irq.h> -#include <asm-leon/time.h> -#include <asm-leon/contextswitch.h> - -/* This asm code relies on the following offsets (setjmp.h): -#define THREAD_JB_SP 0 -#define THREAD_JB_PC 1 -#define THREAD_JB_PSR 8 -#define THREAD_JB_WIM 9 */ - -int -_do_thread_setjmp (threadctx_t env, unsigned int savesigs) -{ - -#ifndef _FLAT - /* first restore should trap */ - env[THREAD_JB_WIM] = 1 << ((env[THREAD_JB_PSR] & SPARC_PSR_WIN_MASK) + 1); - env[THREAD_JB_WIM] |= env[THREAD_JB_WIM] >> SPARC_NUM_REGWIN; -#else - env[THREAD_JB_WIM] = 0; -#endif - -#ifndef _SOFT_FLOAT - env[THREAD_JB_FPUCTX] = fpustate_current; -#endif - return 0; -} - -void -thread_longjmp (threadctx_t env, int val) -{ - - if (!val) - val = 1; - -#ifndef _SOFT_FLOAT - fpustate_current = env[THREAD_JB_FPUCTX]; -#endif - - _switch_to (env, val); - -/* __asm__ __volatile__( \ */ -/* " mov %8,%%i0 /\* propagate on restore *\/ \n\t"\ */ -/* " mov %0,%%i1 /\* propagate on restore *\/ \n\t"\ */ -/* " restore \n\t"\ */ -/* " mov %%o0,%%g6 \n\t"\ */ -/* " mov %%o1,%%g3 /\* former %%i1 (val) *\/ \n\t"\ */ -/* " \n\t"\ */ -/* " !ta 0x03 /\* flush registers *\/ \n\t"\ */ -/* " save %%sp, %7, %%sp \n\t"\ */ -/* " save %%sp, %7, %%sp \n\t"\ */ -/* " save %%sp, %7, %%sp \n\t"\ */ -/* " save %%sp, %7, %%sp \n\t"\ */ -/* " save %%sp, %7, %%sp \n\t"\ */ -/* " save %%sp, %7, %%sp \n\t"\ */ -/* " save %%sp, %7, %%sp \n\t"\ */ -/* " \n\t"\ */ -/* " ldd [%%g6+%5], %%g4 /\* load psr,wim *\/ \n\t"\ */ -/* " wr %%g4, 0x20, %%psr \n\t"\ */ -/* " nop \n\t"\ */ -/* " nop \n\t"\ */ -/* " nop \n\t"\ */ -/* " ldd [%%g6 +%1], %%sp /\* load sp, pc to jump to *\/ \n\t"\ */ -/* " wr %%g5, 0x0, %%wim \n\t"\ */ -/* " \n\t"\ */ -/* " ldd [%%sp], %%l0 /\* restore window *\/ \n\t"\ */ -/* " ldd [%%sp+8], %%l2 \n\t"\ */ -/* " ldd [%%sp+16], %%l4 \n\t"\ */ -/* " ldd [%%sp+24], %%l6 \n\t"\ */ -/* " \n\t"\ */ -/* " ldd [%%sp+32], %%i0 \n\t"\ */ -/* " ldd [%%sp+40], %%i2 \n\t"\ */ -/* " ldd [%%sp+48], %%i4 \n\t"\ */ -/* " ldd [%%sp+56], %%i6 \n\t"\ */ -/* " wr %%g4, 0x00, %%psr \n\t"\ */ -/* " nop \n\t"\ */ -/* " nop \n\t"\ */ -/* " nop \n\t"\ */ -/* " \n\t"\ */ -/* " jmp %%o7 + 8 /\* success *\/ \n\t"\ */ -/* " mov %%g3, %%o0 /\* return %%g3 *\/ \n\t"\ */ -/* : : /\* %0 *\/ "r" (val), \ */ -/* /\* %1 *\/ "i" (sizeof(int) * THREAD_JB_SP), \ */ -/* /\* %2 *\/ "i" (sizeof(int) * THREAD_JB_I7), \ */ -/* /\* %3 *\/ "i" (sizeof(int) * THREAD_JB_FP), \ */ -/* /\* %4 *\/ "i" (sizeof(int) * THREAD_JB_PC), \ */ -/* /\* %5 *\/ "i" (sizeof(int) * THREAD_JB_PSR), \ */ -/* /\* %6 *\/ "i" (sizeof(int) * THREAD_JB_WIM), \ */ -/* /\* %7 *\/ "i" (-SF_REGS_SZ), \ */ -/* /\* %8 *\/ "r" (env) ); */ - - /* never come here */ -} |