From bed6fe6ef714a1c2358f063f7553b34defbb9fb1 Mon Sep 17 00:00:00 2001 From: gdisirio Date: Sat, 11 Apr 2009 12:59:15 +0000 Subject: Added code coverage tool. git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@887 35acf78f-673a-0410-8e92-d51de3d6d3f4 --- test/coverage/Makefile | 142 +++++++++++++++ test/coverage/chconf.h | 437 +++++++++++++++++++++++++++++++++++++++++++++++ test/coverage/chcore.c | 128 ++++++++++++++ test/coverage/chcore.h | 206 ++++++++++++++++++++++ test/coverage/chtypes.h | 47 +++++ test/coverage/main.c | 43 +++++ test/coverage/readme.txt | 6 + test/coverage/simcom.c | 66 +++++++ 8 files changed, 1075 insertions(+) create mode 100644 test/coverage/Makefile create mode 100644 test/coverage/chconf.h create mode 100644 test/coverage/chcore.c create mode 100644 test/coverage/chcore.h create mode 100644 test/coverage/chtypes.h create mode 100644 test/coverage/main.c create mode 100644 test/coverage/readme.txt create mode 100644 test/coverage/simcom.c (limited to 'test/coverage') diff --git a/test/coverage/Makefile b/test/coverage/Makefile new file mode 100644 index 000000000..8910d981d --- /dev/null +++ b/test/coverage/Makefile @@ -0,0 +1,142 @@ +# +# !!!! Do NOT edit this makefile with an editor which replace tabs by spaces !!!! +# +############################################################################################## +# +# On command line: +# +# make all = Create project +# +# make clean = Clean project files. +# +# To rebuild project do "make clean" and "make all". +# + +############################################################################################## +# Start of default section +# + +TRGT = mingw32- +CC = $(TRGT)gcc +AS = $(TRGT)gcc -x assembler-with-cpp +COV = gcov + +# List all default C defines here, like -D_DEBUG=1 +DDEFS = + +# List all default ASM defines here, like -D_DEBUG=1 +DADEFS = + +# List all default directories to look for include files here +DINCDIR = + +# List the default directory to look for the libraries here +DLIBDIR = + +# List all default libraries here +DLIBS = -lws2_32 + +# +# End of default section +############################################################################################## + +############################################################################################## +# Start of user section +# + +# Define project name here +PROJECT = ch + +# Define linker script file here +LDSCRIPT= + +# List all user C define here, like -D_DEBUG=1 +UDEFS = + +# Define ASM defines here +UADEFS = + +# Imported source files +include ../../src/kernel.mk +include ../../test/test.mk + +# List C source files here +SRC = chcore.c main.c simcom.c \ + ${KERNSRC} \ + ${TESTSRC} + +# List ASM source files here +ASRC = + +# List all user directories here +UINCDIR = ../../src/include ../../test + +# List the user directory to look for the libraries here +ULIBDIR = + +# List all user libraries here +ULIBS = + +# Define optimisation level here +OPT = -ggdb -O0 -fomit-frame-pointer -fprofile-arcs -ftest-coverage + +# +# End of user defines +############################################################################################## + + +INCDIR = $(patsubst %,-I%,$(DINCDIR) $(UINCDIR)) +LIBDIR = $(patsubst %,-L%,$(DLIBDIR) $(ULIBDIR)) +DEFS = $(DDEFS) $(UDEFS) +ADEFS = $(DADEFS) $(UADEFS) +OBJS = $(ASRC:.s=.o) $(SRC:.c=.o) +LIBS = $(DLIBS) $(ULIBS) + +LDFLAGS = -Wl,-Map=$(PROJECT).map,--cref,--no-warn-mismatch -lgcov $(LIBDIR) +ASFLAGS = -Wa,-amhls=$(<:.s=.lst) $(ADEFS) +CPFLAGS = $(OPT) -Wall -Wstrict-prototypes -fverbose-asm -Wa,-alms=$(<:.c=.lst) $(DEFS) + +# Generate dependency information +CPFLAGS += -MD -MP -MF .dep/$(@F).d + +# +# makefile rules +# + +all: $(OBJS) $(PROJECT).exe + +%o : %c + $(CC) -c $(CPFLAGS) -I . $(INCDIR) $< -o $@ + +%o : %s + $(AS) -c $(ASFLAGS) $< -o $@ + +%exe: $(OBJS) + $(CC) $(OBJS) $(LDFLAGS) $(LIBS) -o $@ + +.PHONY: gcov +gcov: + -mkdir gcov + $(COV) -u $(subst /,\,$(KERNSRC)) + -mv *.gcov ./gcov + +.PHONY: clean +clean: + -rm -f $(OBJS) + -rm -f $(PROJECT).exe + -rm -f $(PROJECT).map + -rm -f $(SRC:.c=.c.bak) + -rm -f $(SRC:.c=.lst) + -rm -f $(SRC:.c=.gcno) + -rm -f $(SRC:.c=.gcda) + -rm -f $(ASRC:.s=.s.bak) + -rm -f $(ASRC:.s=.lst) + -rm -fR .dep + -rm -fR gcov + +# +# Include the dependency files, should be the last of the makefile +# +-include $(shell mkdir .dep 2>/dev/null) $(wildcard .dep/*) + +# *** EOF *** diff --git a/test/coverage/chconf.h b/test/coverage/chconf.h new file mode 100644 index 000000000..b979a9517 --- /dev/null +++ b/test/coverage/chconf.h @@ -0,0 +1,437 @@ +/* + 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 . +*/ + +/** + * @file src/templates/chconf.h + * @brief Configuration file template. + * @addtogroup Config + * @{ + */ + +#ifndef _CHCONF_H_ +#define _CHCONF_H_ + +/*===========================================================================*/ +/* Kernel parameters. */ +/*===========================================================================*/ + +/** + * Frequency of the system timer that drives the system ticks. This also + * defines the system tick time unit. + */ +#if !defined(CH_FREQUENCY) || defined(__DOXYGEN__) +#define CH_FREQUENCY 1000 +#endif + +/** + * This constant is the number of system ticks allowed for the threads before + * preemption occurs. This option is only meaningful if the option + * @p CH_USE_ROUNDROBIN is also active. + */ +#if !defined(CH_TIME_QUANTUM) || defined(__DOXYGEN__) +#define CH_TIME_QUANTUM 20 +#endif + +/** + * If enabled then the use of nested @p chSysLock() / @p chSysUnlock() + * operations is allowed.
+ * For performance and code size reasons the recommended setting is to leave + * this option disabled.
+ * You can use this option if you need to merge ChibiOS/RT with external + * libraries that require nested lock/unlock operations. + * @note The default is @p FALSE. + */ +#if !defined(CH_USE_NESTED_LOCKS) || defined(__DOXYGEN__) +#define CH_USE_NESTED_LOCKS FALSE +#endif + +/** + * If specified then the kernel performs the round robin scheduling algorithm + * on threads of equal priority. + * @note The default is @p TRUE. + */ +#if !defined(CH_USE_ROUNDROBIN) || defined(__DOXYGEN__) +#define CH_USE_ROUNDROBIN TRUE +#endif + +/** + * Number of RAM bytes to use as system heap. If set to zero then the whole + * available RAM is used as system heap. + * @note In order to use the whole RAM as system heap the linker script must + * provide the @p __heap_base__ and @p __heap_end__ symbols. + * @note Requires @p CH_USE_HEAP. + */ +#if !defined(CH_HEAP_SIZE) || defined(__DOXYGEN__) +#define CH_HEAP_SIZE 0x20000 +#endif + +/*===========================================================================*/ +/* Performance options. */ +/*===========================================================================*/ + +/** + * If specified then time efficient rather than space efficient code is used + * when two possible implementations exist. + * @note This is not related to the compiler optimization options. + * @note The default is @p TRUE. + */ +#if !defined(CH_OPTIMIZE_SPEED) || defined(__DOXYGEN__) +#define CH_OPTIMIZE_SPEED FALSE +#endif + +/** + * If enabled defines a CPU register to be used as storage for the global + * @p currp variable. Caching this variable in a register can greatly + * improve both space and time efficiency of the generated code. Another side + * effect is that one less register has to be saved during the context switch + * resulting in lower RAM usage and faster code. + * @note This option is only usable with the GCC compiler and is only useful + * on processors with many registers like ARM cores. + * @note If this option is enabled then ALL the libraries linked to the + * ChibiOS/RT code must be recompiled with the GCC option @p + * -ffixed-@. + * @note This option must be enabled in the Makefile, it is listed here for + * documentation. + */ +#if defined(__DOXYGEN__) +#define CH_CURRP_REGISTER_CACHE "reg" +#endif + +/*===========================================================================*/ +/* Subsystem options. */ +/*===========================================================================*/ + +/** + * If specified then the @p chThdWait() function is included in the kernel. + * @note The default is @p TRUE. + */ +#if !defined(CH_USE_WAITEXIT) || defined(__DOXYGEN__) +#define CH_USE_WAITEXIT TRUE +#endif + +/** + * If specified then the Semaphores APIs are included in the kernel. + * @note The default is @p TRUE. + */ +#if !defined(CH_USE_SEMAPHORES) || defined(__DOXYGEN__) +#define CH_USE_SEMAPHORES TRUE +#endif + +/** + * If enabled then the threads are enqueued on semaphores by priority rather + * than FIFO order. + * @note The default is @p FALSE. Enable this if you have special requirements. + * @note Requires @p CH_USE_SEMAPHORES. + */ +#if !defined(CH_USE_SEMAPHORES_PRIORITY) || defined(__DOXYGEN__) +#define CH_USE_SEMAPHORES_PRIORITY FALSE +#endif + +/** + * If specified then the Semaphores the @p chSemWaitSignal() API is included + * in the kernel. + * @note The default is @p TRUE. + * @note Requires @p CH_USE_SEMAPHORES. + */ +#if !defined(CH_USE_SEMSW) || defined(__DOXYGEN__) +#define CH_USE_SEMSW TRUE +#endif + +/** + * If specified then the Semaphores with timeout APIs are included in the + * kernel. + * @note The default is @p TRUE. + * @note Requires @p CH_USE_SEMAPHORES. + */ +#if !defined(CH_USE_SEMAPHORES_TIMEOUT) || defined(__DOXYGEN__) +#define CH_USE_SEMAPHORES_TIMEOUT TRUE +#endif + +/** + * If specified then the Mutexes APIs are included in the kernel. + * @note The default is @p TRUE. + */ +#if !defined(CH_USE_MUTEXES) || defined(__DOXYGEN__) +#define CH_USE_MUTEXES TRUE +#endif + +/** + * If specified then the Conditional Variables APIs are included in the kernel. + * @note The default is @p TRUE. + * @note Requires @p CH_USE_MUTEXES. + */ +#if !defined(CH_USE_CONDVARS) || defined(__DOXYGEN__) +#define CH_USE_CONDVARS TRUE +#endif + +/** + * If specified then the Conditional Variables APIs are included in the kernel. + * @note The default is @p TRUE. + * @note Requires @p CH_USE_CONDVARS. + */ +#if !defined(CH_USE_CONDVARS_TIMEOUT) || defined(__DOXYGEN__) +#define CH_USE_CONDVARS_TIMEOUT TRUE +#endif + +/** + * If specified then the Event flags APIs are included in the kernel. + * @note The default is @p TRUE. + */ +#if !defined(CH_USE_EVENTS) || defined(__DOXYGEN__) +#define CH_USE_EVENTS TRUE +#endif + +/** + * If specified then the @p chEvtWaitXXXTimeout() functions are included in + * the kernel. + * @note The default is @p TRUE. + * @note Requires @p CH_USE_EVENTS. + */ +#if !defined(CH_USE_EVENTS_TIMEOUT) || defined(__DOXYGEN__) +#define CH_USE_EVENTS_TIMEOUT TRUE +#endif + +/** + * If specified then the Synchronous Messages APIs are included in the kernel. + * @note The default is @p TRUE. + */ +#if !defined(CH_USE_MESSAGES) || defined(__DOXYGEN__) +#define CH_USE_MESSAGES TRUE +#endif + +/** + * If specified then the @p chMsgSendWithEvent() function is included in the + * kernel. + * @note The default is @p TRUE. + * @note Requires @p CH_USE_MESSAGES and @p CH_USE_EVENTS. + */ +#if !defined(CH_USE_MESSAGES_EVENT) || defined(__DOXYGEN__) +#define CH_USE_MESSAGES_EVENT TRUE +#endif + +/** + * If enabled then messages are served by priority rather than in FIFO order. + * @note The default is @p FALSE. Enable this if you have special requirements. + * @note Requires @p CH_USE_MESSAGES. + */ +#if !defined(CH_USE_MESSAGES_PRIORITY) || defined(__DOXYGEN__) +#define CH_USE_MESSAGES_PRIORITY FALSE +#endif + +/** + * If specified then the Asynchronous Messages (Mailboxes) APIs are included + * in the kernel. + * @note The default is @p TRUE. + */ +#if !defined(CH_USE_MAILBOXES) || defined(__DOXYGEN__) +#define CH_USE_MAILBOXES TRUE +#endif + +/** + * If specified then the I/O queues APIs are included in the kernel. + * @note The default is @p TRUE. + * @note Requires @p CH_USE_SEMAPHORES. + */ +#if !defined(CH_USE_QUEUES) || defined(__DOXYGEN__) +#define CH_USE_QUEUES TRUE +#endif + +/** + * If specified then the half duplex queues APIs are included in the kernel. + * @note The default is @p TRUE. + * @note Requires @p CH_USE_SEMAPHORES. + */ +#if !defined(CH_USE_QUEUES_HALFDUPLEX) || defined(__DOXYGEN__) +#define CH_USE_QUEUES_HALFDUPLEX TRUE +#endif + +/** + * If specified then the I/O queues with timeout APIs are included in the + * kernel. + * @note The default is @p TRUE. + * @note Requires @p CH_USE_QUEUES and @p CH_USE_SEMAPHORES_TIMEOUT. + */ +#if !defined(CH_USE_QUEUES_TIMEOUT) || defined(__DOXYGEN__) +#define CH_USE_QUEUES_TIMEOUT TRUE +#endif + +/** + * If specified then the full duplex serial driver APIs are included in the + * kernel. + * @note The default is @p TRUE. + * @note Requires @p CH_USE_QUEUES. + */ +#if !defined(CH_USE_SERIAL_FULLDUPLEX) || defined(__DOXYGEN__) +#define CH_USE_SERIAL_FULLDUPLEX TRUE +#endif + +/** + * If specified then the half duplex serial driver APIs are included in the + * kernel. + * @note The default is @p TRUE. + * @note Requires @p CH_USE_QUEUES_HALFDUPLEX. + */ +#if !defined(CH_USE_SERIAL_HALFDUPLEX) || defined(__DOXYGEN__) +#define CH_USE_SERIAL_HALFDUPLEX TRUE +#endif + +/** + * If specified then the memory heap allocator APIs are included in the kernel. + * @note The default is @p TRUE. + * @note Requires @p CH_USE_MUTEXES or @p CH_USE_SEMAPHORES. + * @note Mutexes are recommended. + */ +#if !defined(CH_USE_HEAP) || defined(__DOXYGEN__) +#define CH_USE_HEAP TRUE +#endif + +/** + * If enabled enforces the use of the C-runtime @p malloc() and @p free() + * functions as backend for the system heap allocator. + * @note The default is @p FALSE. + * @note Requires @p CH_USE_HEAP. + */ +#if !defined(CH_USE_MALLOC_HEAP) || defined(__DOXYGEN__) +#define CH_USE_MALLOC_HEAP FALSE +#endif + +/** + * If specified then the memory pools allocator APIs are included in the + * kernel. + * @note The default is @p TRUE. + */ +#if !defined(CH_USE_MEMPOOLS) || defined(__DOXYGEN__) +#define CH_USE_MEMPOOLS TRUE +#endif + +/** + * If specified then the dynamic threads creation APIs are included in the + * kernel. + * @note The default is @p TRUE. + * @note Requires @p CH_USE_WAITEXIT. + */ +#if !defined(CH_USE_DYNAMIC) || defined(__DOXYGEN__) +#define CH_USE_DYNAMIC TRUE +#endif + +/*===========================================================================*/ +/* Debug options. */ +/*===========================================================================*/ + +/** + * Debug option, if enabled then the checks on the API functions input + * parameters are activated. + * @note The default is @p FALSE. + */ +#if !defined(CH_DBG_ENABLE_CHECKS) || defined(__DOXYGEN__) +#define CH_DBG_ENABLE_CHECKS FALSE +#endif + +/** + * Debug option, if enabled then all the assertions in the kernel code are + * activated. This includes consistency checks inside the kernel, runtime + * anomalies and port-defined checks. + * @note The default is @p FALSE. + */ +#if !defined(CH_DBG_ENABLE_ASSERTS) || defined(__DOXYGEN__) +#define CH_DBG_ENABLE_ASSERTS FALSE +#endif + +/** + * Debug option, if enabled the context switch circular trace buffer is + * activated. + * @note The default is @p FALSE. + */ +#if !defined(CH_DBG_ENABLE_TRACE) || defined(__DOXYGEN__) +#define CH_DBG_ENABLE_TRACE TRUE +#endif + +/** + * Debug option, if enabled a runtime stack check is performed. + * @note The stack check is performed in a architecture/port dependent way. It + * may not be implemented at all. + */ +#if !defined(CH_DBG_ENABLE_STACK_CHECK) || defined(__DOXYGEN__) +#define CH_DBG_ENABLE_STACK_CHECK TRUE +#endif + +/** + * Debug option, if enabled the threads working area is filled with a byte + * pattern when a thread is created. + */ +#if !defined(CH_DBG_FILL_THREADS) || defined(__DOXYGEN__) +#define CH_DBG_FILL_THREADS TRUE +#endif + +/** + * Debug option, if enabled a field is added to the @p Thread structure that + * counts the system ticks occurred while executing the thread. + */ +#if !defined(CH_DBG_THREADS_PROFILING) || defined(__DOXYGEN__) +#define CH_DBG_THREADS_PROFILING TRUE +#endif + +/*===========================================================================*/ +/* Kernel hooks. */ +/*===========================================================================*/ + +/** + * User fields added to the end of the @p Thread structure. + */ +#if !defined(THREAD_EXT_FIELDS) || defined(__DOXYGEN__) +#define THREAD_EXT_FIELDS \ +struct { \ + /* Add thread custom fields here.*/ \ + /* The thread termination \p EventSource.*/ \ +}; +#endif + +/** + * User initialization code added to the @p chThdInit() API. + * @note It is invoked from within @p chThdInit(). + */ +#if !defined(THREAD_EXT_INIT) || defined(__DOXYGEN__) +#define THREAD_EXT_INIT(tp) { \ + /* Add thread initialization code here.*/ \ +} +#endif + +/** + * User finalization code added to the @p chThdExit() API. + * @note It is inserted into lock zone. + */ +#if !defined(THREAD_EXT_EXIT) || defined(__DOXYGEN__) +#define THREAD_EXT_EXIT(tp) { \ + /* Add thread finalization code here.*/ \ +} +#endif + +/** + * Code inserted inside the idle thread loop immediately after an interrupt + * resumed execution. + */ +#if !defined(IDLE_LOOP_HOOK) || defined(__DOXYGEN__) +#define IDLE_LOOP_HOOK() { \ + /* Idle loop code here.*/ \ +} +#endif + +#endif /* _CHCONF_H_ */ + +/** @} */ diff --git a/test/coverage/chcore.c b/test/coverage/chcore.c new file mode 100644 index 000000000..cdc87ceb5 --- /dev/null +++ b/test/coverage/chcore.c @@ -0,0 +1,128 @@ +/* + 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 . +*/ + +#include +#include + +#undef CDECL + +/** + * @addtogroup WIN32SIM_CORE + * @{ + */ + +#include + +static LARGE_INTEGER nextcnt; +static LARGE_INTEGER slice; + +void init_simcom1(void); +bool_t com1_conn_chkint(void); +bool_t com1_in_chkint(void); +bool_t com1_out_chkint(void); + +/* + * Simulated HW initialization. + */ +void InitCore(void) { + printf("ChibiOS/RT test simulator\n\n"); + printf("Thread structure %d bytes\n", sizeof(Thread)); + if (!QueryPerformanceFrequency(&slice)) { + fprintf(stderr, "QueryPerformanceFrequency() error"); + fflush(stderr); + exit(1); + } + printf("Core Frequency %u Hz\n", (int)slice.LowPart); + slice.QuadPart /= CH_FREQUENCY; + QueryPerformanceCounter(&nextcnt); + nextcnt.QuadPart += slice.QuadPart; + + init_simcom1(); + + fflush(stdout); +} + +/* + * Interrupt simulation. + */ +void ChkIntSources(void) { + LARGE_INTEGER n; + bool_t rflag = FALSE; + + if (com1_conn_chkint() || com1_in_chkint() || com1_out_chkint()) { + if (chSchRescRequiredI()) + rflag = TRUE; + } + + // Interrupt Timer simulation (10ms interval). + QueryPerformanceCounter(&n); + if (n.QuadPart > nextcnt.QuadPart) { + nextcnt.QuadPart += slice.QuadPart; + chSysTimerHandlerI(); + if (chSchRescRequiredI()) + rflag = TRUE; + } + + if (rflag) + chSchDoRescheduleI(); +} + +/** + * 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) { + 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) { + + fprintf(stderr, "\nHalted\n"); + fflush(stderr); + exit(2); +} + +/** + * Threads return point, it just invokes @p chThdExit(). + */ +void threadexit(void) { + + asm volatile ("push %eax \n\t" \ + "call _chThdExit"); +} + +/** @} */ diff --git a/test/coverage/chcore.h b/test/coverage/chcore.h new file mode 100644 index 000000000..276b935da --- /dev/null +++ b/test/coverage/chcore.h @@ -0,0 +1,206 @@ +/* + 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 . +*/ + +/** + * @addtogroup WIN32SIM_CORE + * @{ + */ + +#ifndef _CHCORE_H_ +#define _CHCORE_H_ + +/** + * Macro defining the a simulated architecture into Win32. + */ +#define CH_ARCHITECTURE_WIN32SIM + +/** + * 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() InitCore() + +/** + * 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 InitCore(void); + void ChkIntSources(void); + void threadexit(void); +#ifdef __cplusplus +} +#endif + +#endif /* _CHCORE_H_ */ + +/** @} */ diff --git a/test/coverage/chtypes.h b/test/coverage/chtypes.h new file mode 100644 index 000000000..354da269e --- /dev/null +++ b/test/coverage/chtypes.h @@ -0,0 +1,47 @@ +/* + 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 . +*/ + +#ifndef _CHTYPES_H_ +#define _CHTYPES_H_ + +#define __need_NULL +#define __need_size_t +#define __need_ptrdiff_t +#include + +#if !defined(_STDINT_H) && !defined(__STDINT_H_) +#include +#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_ */ diff --git a/test/coverage/main.c b/test/coverage/main.c new file mode 100644 index 000000000..af8762562 --- /dev/null +++ b/test/coverage/main.c @@ -0,0 +1,43 @@ +/* + 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 . +*/ + +#include +#include +#include + +#include +#include + +extern FullDuplexDriver COM1; + +/* + * Simulator main. + */ +int main(int argc, char *argv[]) { + msg_t result; + + chSysInit(); + result = TestThread(&COM1); + chThdSleepMilliseconds(1); /* Gives time to flush COM1 output queue */ + fflush(stdout); + if (result) + exit(1); + else + exit(0); +} diff --git a/test/coverage/readme.txt b/test/coverage/readme.txt new file mode 100644 index 000000000..fc3595112 --- /dev/null +++ b/test/coverage/readme.txt @@ -0,0 +1,6 @@ +In order to compute the code coverage: + +- Build the test application: make +- Run the test suite: ch +- Compute the code coverage: make gcov +- Clear everything: make clean diff --git a/test/coverage/simcom.c b/test/coverage/simcom.c new file mode 100644 index 000000000..e8fceb76a --- /dev/null +++ b/test/coverage/simcom.c @@ -0,0 +1,66 @@ +/* + 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 . +*/ + +/* + * Win32 COM port simulator (on stdout). + */ + +#include + +#include +#include + +#undef CDECL + +#include + +FullDuplexDriver COM1; + +static uint8_t com_ib[1024]; +static uint8_t com_ob[1024]; + +void init_simcom1(void) { + + chFDDInit(&COM1, com_ib, sizeof(com_ib), NULL, com_ob, sizeof(com_ob), NULL); +} + +bool_t com1_conn_chkint(void) { + + return FALSE; +} + +bool_t com1_in_chkint(void) { + + return FALSE; +} + +bool_t com1_out_chkint(void) { + msg_t n; + bool_t rflag = FALSE; + + while (TRUE) { + n = chFDDRequestDataI(&COM1); + if (n < 0) { + fflush(stdout); + return rflag; + } + fputc(n, stdout); + rflag = TRUE; + } +} -- cgit v1.2.3