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Send_msg now reqires size

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pjht 2019-05-04 10:58:52 -05:00
parent c679ae1bde
commit 35bba425ac
5 changed files with 6 additions and 6 deletions
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2
cpu/i386/isr.c
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@ -182,7 +182,7 @@ void isr_handler(registers_t r) {
} else if (r.eax==6) { } else if (r.eax==6) {
r.ebx=tasking_get_msg((uint32_t*)r.ebx); r.ebx=tasking_get_msg((uint32_t*)r.ebx);
} else if (r.eax==7) { } else if (r.eax==7) {
tasking_send_msg(r.ebx,(void*)r.ecx); tasking_send_msg(r.ebx,(void*)r.ecx,r.edx);
} }
break; break;
} }

2
cpu/i386/tasking.c
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@ -78,7 +78,7 @@ Task* tasking_createTask(void* eip) {
return createTaskKmode(eip,0); return createTaskKmode(eip,0);
} }
void tasking_send_msg(uint32_t pid,void* msg) { void tasking_send_msg(uint32_t pid,void* msg,uint32_t size) {
for (Task* task=headTask;task!=NULL;task=task->next) { for (Task* task=headTask;task!=NULL;task=task->next) {
if (task->pid==pid) { if (task->pid==pid) {
uint32_t cr3; uint32_t cr3;

2
cpu/tasking.h
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@ -7,6 +7,6 @@ void tasking_init();
void tasking_yield(); void tasking_yield();
Task* tasking_createTask(void* eip); Task* tasking_createTask(void* eip);
char isPrivleged(uint32_t pid); char isPrivleged(uint32_t pid);
void tasking_send_msg(uint32_t pid,void* msg); void tasking_send_msg(uint32_t pid,void* msg,uint32_t size);
void* tasking_get_msg(uint32_t* sender); void* tasking_get_msg(uint32_t* sender);
#endif #endif

4
libc/tasking.c
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@ -23,9 +23,9 @@ void* get_msg(uint32_t* sender) {
return msg; return msg;
} }
void send_msg(uint32_t pid,void* msg) { void send_msg(uint32_t pid,void* msg,uint32_t size) {
asm volatile(" \ asm volatile(" \
mov $7, %%eax; \ mov $7, %%eax; \
int $80; \ int $80; \
"::"b"(pid),"c"(msg)); "::"b"(pid),"c"(msg),"d"(size));
} }

2
libc/tasking.h
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@ -6,7 +6,7 @@
void yield(); void yield();
void createTask(void* task); void createTask(void* task);
char isPrivleged(uint32_t pid); char isPrivleged(uint32_t pid);
void send_msg(uint32_t pid,void* msg); void send_msg(uint32_t pid,void* msg,uint32_t size);
void* get_msg(uint32_t* sender); void* get_msg(uint32_t* sender);
#endif #endif