83 lines
2.9 KiB
C
83 lines
2.9 KiB
C
/*
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ChibiOS/RT - Copyright (C) 2006-2007 Giovanni Di Sirio.
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This file is part of ChibiOS/RT.
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ChibiOS/RT is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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ChibiOS/RT is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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/*
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* Core file for MingGW32 demo project.
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*/
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#ifndef _CHCORE_H_
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#define _CHCORE_H_
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typedef void *regx86;
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/*
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* Stack saved context.
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*/
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struct intctx {
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regx86 ebx;
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regx86 edi;
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regx86 esi;
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regx86 ebp;
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regx86 eip;
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};
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typedef struct {
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struct intctx *esp;
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} Context;
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#define APUSH(p, a) (p) -= sizeof(void *), *(void **)(p) = (void*)(a)
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#define SETUP_CONTEXT(workspace, wsize, pf, arg) \
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{ \
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uint8_t *esp = (uint8_t *)workspace + wsize; \
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APUSH(esp, arg); \
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APUSH(esp, threadstart); \
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esp -= sizeof(struct intctx); \
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((struct intctx *)esp)->eip = pf; \
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((struct intctx *)esp)->ebx = 0; \
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((struct intctx *)esp)->edi = 0; \
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((struct intctx *)esp)->esi = 0; \
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((struct intctx *)esp)->ebp = 0; \
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tp->p_ctx.esp = (struct intctx *)esp; \
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}
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#define chSysLock()
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#define chSysUnlock()
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#define chSysPuts(msg) {}
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#define chSysIRQEnterI()
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#define chSysIRQExitI()
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#define INT_REQUIRED_STACK 0
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#define StackAlign(n) ((((n) - 1) | 3) + 1)
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#define UserStackSize(n) StackAlign(sizeof(Thread) + \
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sizeof(void *) * 2 + \
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sizeof(struct intctx) + \
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(n) + \
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INT_REQUIRED_STACK)
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#define WorkingArea(s, n) uint32_t s[UserStackSize(n) >> 2];
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#define IDLE_THREAD_STACK_SIZE 16384
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t_msg _IdleThread(void *p);
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__attribute__((fastcall)) void chSysHalt(void);
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__attribute__((fastcall)) void chSysSwitchI(Thread *otp, Thread *ntp);
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__attribute__((fastcall)) void threadstart(void);
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#endif /* _CHCORE_H_ */
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