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git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@1399 35acf78f-673a-0410-8e92-d51de3d6d3f4

This commit is contained in:
gdisirio 2009-12-08 19:11:39 +00:00
parent 31f54b9373
commit ce9fe96187
8 changed files with 502 additions and 2 deletions
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100
os/hal/platforms/Win32/hal_lld.c Normal file
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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/>.
*/
/**
* @file templates/hal_lld.c
* @brief HAL Driver subsystem low level driver source template.
* @addtogroup HAL_LLD
* @{
*/
#include "ch.h"
#include "hal.h"
/*===========================================================================*/
/* Low Level Driver exported variables. */
/*===========================================================================*/
/*===========================================================================*/
/* Low Level Driver local variables. */
/*===========================================================================*/
static LARGE_INTEGER nextcnt;
static LARGE_INTEGER slice;
/*===========================================================================*/
/* Low Level Driver local functions. */
/*===========================================================================*/
/*===========================================================================*/
/* Low Level Driver interrupt handlers. */
/*===========================================================================*/
/*===========================================================================*/
/* Low Level Driver exported functions. */
/*===========================================================================*/
/**
* @brief Low level HAL driver initialization.
*/
void hal_lld_init(void) {
WSADATA wsaData;
/* Initialization.*/
if (WSAStartup(2, &wsaData) != 0) {
printf("Unable to locate a winsock DLL\n");
exit(1);
}
printf("Win32 ChibiOS/RT simulator\n\n");
if (!QueryPerformanceFrequency(&slice)) {
printf("QueryPerformanceFrequency() error");
exit(1);
}
printf("Core Frequency %u Hz\n", (int)slice.LowPart);
slice.QuadPart /= CH_FREQUENCY;
QueryPerformanceCounter(&nextcnt);
nextcnt.QuadPart += slice.QuadPart;
fflush(stdout);
}
/**
* @brief Interrupt simulation.
*/
void ChkIntSources(void) {
LARGE_INTEGER n;
if (sd_lld_interrupt_pending()) {
if (chSchIsRescRequiredExI())
chSchDoRescheduleI();
return;
}
// Interrupt Timer simulation (10ms interval).
QueryPerformanceCounter(&n);
if (n.QuadPart > nextcnt.QuadPart) {
nextcnt.QuadPart += slice.QuadPart;
chSysTimerHandlerI();
if (chSchIsRescRequiredExI())
chSchDoRescheduleI();
}
}
/** @} */

64
os/hal/platforms/Win32/hal_lld.h Normal file
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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/>.
*/
/**
* @file Win32/hal_lld.h
* @brief WIN32 simulator HAL subsystem low level driver header.
* @addtogroup WIN32_HAL
* @{
*/
#ifndef _HAL_LLD_H_
#define _HAL_LLD_H_
#include <windows.h>
#include <stdio.h>
/*===========================================================================*/
/* Driver constants. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver pre-compile time settings. */
/*===========================================================================*/
/*===========================================================================*/
/* Derived constants and error checks. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver data structures and types. */
/*===========================================================================*/
/*===========================================================================*/
/* External declarations. */
/*===========================================================================*/
#ifdef __cplusplus
extern "C" {
#endif
void hal_lld_init(void);
void ChkIntSources(void);
#ifdef __cplusplus
}
#endif
#endif /* _HAL_LLD_H_ */
/** @} */

6
os/hal/platforms/Win32/platform.mk Normal file
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# List of all the Win32 platform files.
PLATFORMSRC = ${CHIBIOS}/os/hal/platforms/Win32/hal_lld.c \
${CHIBIOS}/os/hal/platforms/Win32/serial_lld.c
# Required include directories
PLATFORMINC = ${CHIBIOS}/os/hal/platforms/Win32

2
os/hal/templates/hal_lld.h
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@ -27,8 +27,6 @@
#ifndef _HAL_LLD_H_ #ifndef _HAL_LLD_H_
#define _HAL_LLD_H_ #define _HAL_LLD_H_
#include "avr/io.h"
/*===========================================================================*/ /*===========================================================================*/
/* Driver constants. */ /* Driver constants. */
/*===========================================================================*/ /*===========================================================================*/

69
os/ports/GCC/SIMIA32/chcore.c Normal file
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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/>.
*/
/**
* @addtogroup SIMIA32_CORE
* @{
*/
#include "ch.h"
#include "hal.h"
/**
* Performs a context switch between two threads.
* @param otp the thread to be switched out
* @param ntp the thread to be switched in
*/
__attribute__((used))
static void __dummy(Thread *otp, Thread *ntp) {
(void)otp; (void)ntp;
asm volatile (".globl @port_switch@8 \n\t" \
"@port_switch@8: \n\t" \
"push %ebp \n\t" \
"push %esi \n\t" \
"push %edi \n\t" \
"push %ebx \n\t" \
"movl %esp, 16(%ecx) \n\t" \
"movl 16(%edx), %esp \n\t" \
"pop %ebx \n\t" \
"pop %edi \n\t" \
"pop %esi \n\t" \
"pop %ebp \n\t" \
"ret");
}
/**
* Halts the system. In this implementation it just exits the simulation.
*/
__attribute__((fastcall))
void port_halt(void) {
exit(2);
}
/**
* Threads return point, it just invokes @p chThdExit().
*/
void threadexit(void) {
asm volatile ("push %eax \n\t" \
"call _chThdExit");
}
/** @} */

210
os/ports/GCC/SIMIA32/chcore.h Normal file
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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/>.
*/
/**
* @addtogroup SIMIA32_CORE
* @{
*/
#ifndef _CHCORE_H_
#define _CHCORE_H_
/**
* Macro defining the a simulated architecture into Win32.
*/
#define CH_ARCHITECTURE_WIN32SIM
/**
* Name of the implemented architecture.
*/
#define CH_ARCHITECTURE_NAME "WIN32 Simulator"
/**
* 32 bit stack alignment.
*/
typedef uint32_t stkalign_t;
/**
* Generic x86 register.
*/
typedef void *regx86;
/**
* Interrupt saved context.
* This structure represents the stack frame saved during a preemption-capable
* interrupt handler.
*/
struct extctx {
};
/**
* System saved context.
* @note In this demo the floating point registers are not saved.
*/
struct intctx {
regx86 ebx;
regx86 edi;
regx86 esi;
regx86 ebp;
regx86 eip;
};
/**
* Platform dependent part of the @p Thread structure.
* This structure usually contains just the saved stack pointer defined as a
* pointer to a @p intctx structure.
*/
struct context {
struct intctx volatile *esp;
};
#define APUSH(p, a) (p) -= sizeof(void *), *(void **)(p) = (void*)(a)
/**
* Platform dependent part of the @p chThdInit() API.
* This code usually setup the context switching frame represented by a
* @p intctx structure.
*/
#define SETUP_CONTEXT(workspace, wsize, pf, arg) { \
uint8_t *esp = (uint8_t *)workspace + wsize; \
APUSH(esp, arg); \
APUSH(esp, threadexit); \
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; \
}
/**
* Stack size for the system idle thread.
*/
#ifndef IDLE_THREAD_STACK_SIZE
#define IDLE_THREAD_STACK_SIZE 256
#endif
/**
* Per-thread stack overhead for interrupts servicing, it is used in the
* calculation of the correct working area size.
* It requires stack space because the simulated "interrupt handlers" invoke
* Win32 APIs inside so it better have a lot of space.
*/
#ifndef INT_REQUIRED_STACK
#define INT_REQUIRED_STACK 16384
#endif
/**
* Enforces a correct alignment for a stack area size value.
*/
#define STACK_ALIGN(n) ((((n) - 1) | (sizeof(stkalign_t) - 1)) + 1)
/**
* Computes the thread working area global size.
*/
#define THD_WA_SIZE(n) STACK_ALIGN(sizeof(Thread) + \
sizeof(void *) * 2 + \
sizeof(struct intctx) + \
sizeof(struct extctx) + \
(n) + (INT_REQUIRED_STACK))
/**
* Macro used to allocate a thread working area aligned as both position and
* size.
*/
#define WORKING_AREA(s, n) stkalign_t s[THD_WA_SIZE(n) / sizeof(stkalign_t)];
/**
* IRQ prologue code, inserted at the start of all IRQ handlers enabled to
* invoke system APIs.
*/
#define PORT_IRQ_PROLOGUE()
/**
* IRQ epilogue code, inserted at the end of all IRQ handlers enabled to
* invoke system APIs.
*/
#define PORT_IRQ_EPILOGUE()
/**
* IRQ handler function declaration.
*/
#define PORT_IRQ_HANDLER(id) void id(void)
/**
* Simulator initialization.
*/
#define port_init()
/**
* Does nothing in this simulator.
*/
#define port_lock()
/**
* Does nothing in this simulator.
*/
#define port_unlock()
/**
* Does nothing in this simulator.
*/
#define port_lock_from_isr()
/**
* Does nothing in this simulator.
*/
#define port_unlock_from_isr()
/**
* Does nothing in this simulator.
*/
#define port_disable()
/**
* Does nothing in this simulator.
*/
#define port_suspend()
/**
* Does nothing in this simulator.
*/
#define port_enable()
/**
* In the simulator this does a polling pass on the simulated interrupt
* sources.
*/
#define port_wait_for_interrupt() ChkIntSources()
#ifdef __cplusplus
extern "C" {
#endif
__attribute__((fastcall)) void port_switch(Thread *otp, Thread *ntp);
__attribute__((fastcall)) void port_halt(void);
void threadexit(void);
void ChkIntSources(void);
#ifdef __cplusplus
}
#endif
#endif /* _CHCORE_H_ */
/** @} */

47
os/ports/GCC/SIMIA32/chtypes.h Normal file
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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/>.
*/
#ifndef _CHTYPES_H_
#define _CHTYPES_H_
#define __need_NULL
#define __need_size_t
#define __need_ptrdiff_t
#include <stddef.h>
#if !defined(_STDINT_H) && !defined(__STDINT_H_)
#include <stdint.h>
#endif
typedef int8_t bool_t;
typedef uint8_t tmode_t;
typedef uint8_t tstate_t;
typedef uint32_t tprio_t;
typedef int32_t msg_t;
typedef int32_t eventid_t;
typedef uint32_t eventmask_t;
typedef uint32_t systime_t;
typedef int32_t cnt_t;
#define INLINE inline
#define PACK_STRUCT_STRUCT __attribute__((packed))
#define PACK_STRUCT_BEGIN
#define PACK_STRUCT_END
#endif /* _CHTYPES_H_ */

6
os/ports/GCC/SIMIA32/port.mk Normal file
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# List of the ChibiOS/RT SIMIA32 port files.
PORTSRC = ${CHIBIOS}/os/ports/GCC/SIMIA32/chcore.c
PORTASM =
PORTINC = ${CHIBIOS}/os/ports/GCC/SIMIA32