X-Git-Url: https://codewiz.org/gitweb?a=blobdiff_plain;f=bertos%2Fkern%2Fproc.c;h=25ef1c67e4a29d8367cea39b6f8bf938b3770cea;hb=c45e4cce0b0aa72809f868441979e122b6ad97d5;hp=9137dfba9d97af2ecde7b927eee3119750bcf987;hpb=b0033f388edf3db04aec0901420a06bbc0f7ada7;p=bertos.git diff --git a/bertos/kern/proc.c b/bertos/kern/proc.c index 9137dfba..25ef1c67 100644 --- a/bertos/kern/proc.c +++ b/bertos/kern/proc.c @@ -40,8 +40,9 @@ #include "proc_p.h" #include "proc.h" -#include "cfg/cfg_arch.h" /* ARCH_EMUL */ +#include "cfg/cfg_arch.h" // ARCH_EMUL #include "cfg/cfg_kern.h" +#include // ROUND_UP2 #include #include // CONFIG_DEPEND() @@ -50,6 +51,10 @@ #include #include +#if CONFIG_KERN_HEAP + #include +#endif + #include /* memset() */ // Check config dependencies @@ -84,7 +89,7 @@ REGISTER Process *CurrentProcess; List StackFreeList; #define NPROC 8 -cpustack_t proc_stacks[NPROC][(64 * 1024) / sizeof(cpustack_t)]; +cpu_stack_t proc_stacks[NPROC][(64 * 1024) / sizeof(cpu_stack_t)]; #endif /** The main process (the one that executes main()). */ @@ -147,10 +152,10 @@ void proc_init(void) * \return Process structure of new created process * if successful, NULL otherwise. */ -struct Process *proc_new_with_name(UNUSED_ARG(const char *, name), void (*entry)(void), iptr_t data, size_t stack_size, cpustack_t *stack_base) +struct Process *proc_new_with_name(UNUSED_ARG(const char *, name), void (*entry)(void), iptr_t data, size_t stack_size, cpu_stack_t *stack_base) { Process *proc; - const size_t PROC_SIZE_WORDS = ROUND_UP2(sizeof(Process), sizeof(cpustack_t)) / sizeof(cpustack_t); + const size_t PROC_SIZE_WORDS = ROUND_UP2(sizeof(Process), sizeof(cpu_stack_t)) / sizeof(cpu_stack_t); #if CONFIG_KERN_HEAP bool free_stack = false; #endif @@ -158,7 +163,7 @@ struct Process *proc_new_with_name(UNUSED_ARG(const char *, name), void (*entry) #if (ARCH & ARCH_EMUL) /* Ignore stack provided by caller and use the large enough default instead. */ - PROC_ATOMIC(stack_base = (cpustack_t *)list_remHead(&StackFreeList)); + PROC_ATOMIC(stack_base = (cpu_stack_t *)list_remHead(&StackFreeList)); stack_size = CONFIG_KERN_MINSTACKSIZE; #elif CONFIG_KERN_HEAP @@ -185,8 +190,13 @@ struct Process *proc_new_with_name(UNUSED_ARG(const char *, name), void (*entry) #endif // !ARCH_EMUL && !CONFIG_KERN_HEAP #if CONFIG_KERN_MONITOR - /* Fill-in the stack with a special marker to help debugging */ - memset(stack_base, CONFIG_KERN_STACKFILLCODE, stack_size); + /* + * Fill-in the stack with a special marker to help debugging. + * On 64bit platforms, CONFIG_KERN_STACKFILLCODE is larger + * than an int, so the (int) cast is required to silence the + * warning for truncating its size. + */ + memset(stack_base, (int)CONFIG_KERN_STACKFILLCODE, stack_size); #endif /* Initialize the process control block */ @@ -199,8 +209,8 @@ struct Process *proc_new_with_name(UNUSED_ARG(const char *, name), void (*entry) } else { - proc = (Process *)(stack_base + stack_size / sizeof(cpustack_t) - PROC_SIZE_WORDS); - proc->stack = (cpustack_t *)proc; + proc = (Process *)(stack_base + stack_size / sizeof(cpu_stack_t) - PROC_SIZE_WORDS); + proc->stack = (cpu_stack_t *)proc; if (CPU_SP_ON_EMPTY_SLOT) proc->stack--; } @@ -358,14 +368,6 @@ void proc_exit(void) } -/** - * Get the pointer to the current process - */ -struct Process *proc_current(void) -{ - return CurrentProcess; -} - /** * Get the pointer to the user data of the current process */