X-Git-Url: https://codewiz.org/gitweb?a=blobdiff_plain;f=kern%2Fproc.c;h=e0c2ba27858af55069edcde9211e6c90268815ee;hb=9f411c91637c328ec9475ce6732df2e66c8b53de;hp=3971df00bb54907424748e89878b691151851de0;hpb=99ebec567d8485806f6ebe23b8c8a1b825d0cf4d;p=bertos.git diff --git a/kern/proc.c b/kern/proc.c index 3971df00..e0c2ba27 100755 --- a/kern/proc.c +++ b/kern/proc.c @@ -17,6 +17,12 @@ /* * $Log$ + * Revision 1.8 2004/08/14 19:37:57 rasky + * Merge da SC: macros.h, pool.h, BIT_CHANGE, nome dei processi, etc. + * + * Revision 1.7 2004/08/02 20:20:29 aleph + * Merge from project_ks + * * Revision 1.6 2004/07/30 14:24:16 rasky * Task switching con salvataggio perfetto stato di interrupt (SR) * Kernel monitor per dump informazioni su stack dei processi @@ -47,7 +53,7 @@ #include /* memset() */ -/*! CPU dependent context switching routines +/*! CPU dependent context switching routines * \note This function *MUST* preserve also the status of the interrupts. */ extern void asm_switch_context(cpustack_t **new_sp, cpustack_t **save_sp); @@ -90,8 +96,9 @@ static void monitor_init(void) INITLIST(&MonitorProcs); } -static void monitor_add(Process* proc, cpustack_t* stack_base, size_t stack_size) +static void monitor_add(Process* proc, const char* name, cpustack_t* stack_base, size_t stack_size) { + proc->monitor.name = name; proc->monitor.stack_base = stack_base; proc->monitor.stack_size = stack_size; @@ -142,13 +149,25 @@ size_t monitor_check_stack(cpustack_t* stack_base, size_t stack_size) void monitor_debug_stacks(void) { struct Process* p; + int i; + + if (ISLISTEMPTY(&MonitorProcs)) + { + kprintf("No stacks registered in the monitor\n"); + return; + } + + kprintf("%-24s %-6s%-8s%-8s%-8s\n", "Process name", "TCB", "SPbase", "SPsize", "SPfree"); + for (i=0;i<56;i++) + kprintf("-"); + kprintf("\n"); for (p = MONITOR_NODE_TO_PROCESS(MonitorProcs.head); p->monitor.link.succ; p = MONITOR_NODE_TO_PROCESS(p->monitor.link.succ)) { size_t free = monitor_check_stack(p->monitor.stack_base, p->monitor.stack_size); - kprintf("TCB: %x sp_base: %x sp_size: %x sp_free: %x\n", (uint16_t)p, (uint16_t)p->monitor.stack_base, (uint16_t)p->monitor.stack_size, (uint16_t)free); + kprintf("%-24s %04x %04x %4x %4x\n", p->monitor.name, (uint16_t)p, (uint16_t)p->monitor.stack_base, (uint16_t)p->monitor.stack_size, (uint16_t)free); } } @@ -157,6 +176,9 @@ void monitor_debug_stacks(void) static void proc_init_struct(Process* proc) { + /* Avoid warning for unused argument */ + (void)proc; + #if CONFIG_KERN_SIGNALS proc->sig_recv = 0; #endif @@ -166,6 +188,7 @@ static void proc_init_struct(Process* proc) #endif } + void proc_init(void) { INITLIST(&ProcReadyList); @@ -192,7 +215,7 @@ void proc_init(void) * \return Process structure of new created process * if successful, NULL otherwise. */ -Process *proc_new(void (*entry)(void), size_t stacksize, cpustack_t *stack_base) +struct Process *proc_new_with_name(UNUSED(const char*, name), void (*entry)(void), IPTR data, size_t stacksize, cpustack_t *stack_base) { Process *proc; cpuflags_t flags; @@ -251,6 +274,7 @@ Process *proc_new(void (*entry)(void), size_t stacksize, cpustack_t *stack_base) } proc_init_struct(proc); + proc->user_data = data; #if CONFIG_KERN_HEAP proc->stack_base = stack_base; @@ -273,7 +297,7 @@ Process *proc_new(void (*entry)(void), size_t stacksize, cpustack_t *stack_base) ENABLE_IRQRESTORE(flags); #if CONFIG_KERN_MONITOR - monitor_add(proc, stack_base, stacksize); + monitor_add(proc, name, stack_base, stacksize); #endif return proc; @@ -409,6 +433,13 @@ struct Process *proc_current(void) return CurrentProcess; } +/*! + * Get the pointer to the user data of the current process + */ +IPTR proc_current_user_data(void) +{ + return CurrentProcess->user_data; +} #if 0 /* Simple testcase for the scheduler */ @@ -446,8 +477,8 @@ static cpustack_t proc_test_stack2[CONFIG_KERN_DEFSTACKSIZE/sizeof(cpustack_t)]; */ void NORETURN proc_test(void) { - proc_new(proc_test_thread1, sizeof(proc_test_stack1), proc_test_stack1); - proc_new(proc_test_thread2, sizeof(proc_test_stack2), proc_test_stack2); + proc_new(proc_test_thread1, NULL, sizeof(proc_test_stack1), proc_test_stack1); + proc_new(proc_test_thread2, NULL, sizeof(proc_test_stack2), proc_test_stack2); kputs("Created tasks\n"); kputs("stack1:\n");