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