git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@601 35acf78f-673a-0410-8e92-d51de3d6d3f4
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@ -65,7 +65,7 @@ SRC = chcore.c main.c ../../ports/win32/simcom.c \
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${TESTSRC}
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# List ASM source files here
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ASRC = chcore2.s
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ASRC =
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# List all user directories here
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UINCDIR = ../../src/include
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@ -17,6 +17,11 @@
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <windows.h>
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#include <stdio.h>
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#undef CDECL
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/**
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* @addtogroup WIN32SIM_CORE
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* @{
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@ -24,20 +29,75 @@
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#include <ch.h>
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static LARGE_INTEGER nextcnt;
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static LARGE_INTEGER slice;
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void InitSimCom1(void);
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void InitSimCom2(void);
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BOOL Com1ConnInterruptSimCom(void);
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BOOL Com2ConnInterruptSimCom(void);
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BOOL Com1InInterruptSimCom(void);
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BOOL Com2InInterruptSimCom(void);
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BOOL Com1OutInterruptSimCom(void);
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BOOL Com2OutInterruptSimCom(void);
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/*
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* This file is a template of the system driver functions provided by a port.
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* Some of the following functions may be implemented as macros in chcore.h if
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* the implementer decides that there is an advantage in doing so, as example
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* because performance concerns.
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* Simulated HW initialization.
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*/
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void InitCore(void) {
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WSADATA wsaData;
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// Initialization.
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if (WSAStartup(2, &wsaData) != 0) {
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printf("Unable to locate a winsock DLL\n");
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exit(1);
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}
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printf("Win32 ChibiOS/RT simulator\n\n");
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printf("Thread structure %d bytes\n", sizeof(Thread));
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if (!QueryPerformanceFrequency(&slice)) {
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printf("QueryPerformanceFrequency() error");
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exit(1);
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}
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printf("Core Frequency %u Hz\n", (int)slice.LowPart);
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slice.QuadPart /= CH_FREQUENCY;
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QueryPerformanceCounter(&nextcnt);
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nextcnt.QuadPart += slice.QuadPart;
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InitSimCom1();
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InitSimCom2();
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fflush(stdout);
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}
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/*
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* Interrupt simulation.
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*/
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void ChkIntSources(void) {
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LARGE_INTEGER n;
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if (Com1InInterruptSimCom() || Com2InInterruptSimCom() ||
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Com1OutInterruptSimCom() || Com2OutInterruptSimCom() ||
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Com1ConnInterruptSimCom() || Com2ConnInterruptSimCom()) {
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if (chSchRescRequiredI())
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chSchDoRescheduleI();
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return;
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}
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// Interrupt Timer simulation (10ms interval).
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QueryPerformanceCounter(&n);
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if (n.QuadPart > nextcnt.QuadPart) {
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nextcnt.QuadPart += slice.QuadPart;
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chSysTimerHandlerI();
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if (chSchRescRequiredI())
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chSchDoRescheduleI();
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}
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}
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/**
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* Prints a message on the system console.
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* @param msg pointer to the message
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* @note The function is declared as a weak symbol, it is possible to redefine
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* it in your application code.
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*/
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__attribute__((weak))
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__attribute__((fastcall))
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void sys_puts(char *msg) {
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}
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@ -45,12 +105,10 @@ void sys_puts(char *msg) {
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* Performs a context switch between two threads.
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* @param otp the thread to be switched out
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* @param ntp the thread to be switched in
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* @note The function is declared as a weak symbol, it is possible to redefine
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* it in your application code.
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*/
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__attribute__((naked, weak))
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__attribute__((fastcall))
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void sys_switch(Thread *otp, Thread *ntp) {
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register struct intctx *esp asm("esp");
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register struct intctx volatile *esp asm("esp");
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asm volatile ("push %ebp \n\t" \
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"push %esi \n\t" \
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@ -61,16 +119,13 @@ void sys_switch(Thread *otp, Thread *ntp) {
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asm volatile ("pop %ebx \n\t" \
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"pop %edi \n\t" \
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"pop %esi \n\t" \
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"pop %ebp \n\t" \
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"ret" : : "r" (esp));
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"pop %ebp");
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}
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/**
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* Halts the system. In this implementation it just exits the simulation.
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* @note The function is declared as a weak symbol, it is possible to redefine
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* it in your application code.
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*/
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__attribute__((weak))
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__attribute__((fastcall))
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void sys_halt(void) {
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exit(2);
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@ -78,15 +133,11 @@ void sys_halt(void) {
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/**
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* Threads return point, it just invokes @p chThdExit().
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* @note The function is declared as a weak symbol, it is possible to redefine
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* it in your application code.
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*/
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__attribute__((naked, weak))
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void threadexit(void) {
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asm volatile ("push %eax \n\t" \
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"call _chThdExit");
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}
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}
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/** @} */
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@ -66,7 +66,7 @@ struct intctx {
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* pointer to a @p intctx structure.
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*/
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typedef struct {
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struct intctx *esp;
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struct intctx volatile *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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@ -1,43 +0,0 @@
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/*
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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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.text
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.p2align 4,,15
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.globl @chSysSwitchI@8
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@chSysSwitchI@8:
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# Switch out
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push %ebp
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push %esi
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push %edi
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push %ebx
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movl %esp,16(%ecx)
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# Switch in
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movl 16(%edx),%esp
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pop %ebx
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pop %edi
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pop %esi
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pop %ebp
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ret
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.p2align 4,,15
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.globl @threadstart@0
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@threadstart@0:
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push %eax
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call _chThdExit
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