diff options
Diffstat (limited to 'src/kernel/proc.c')
| -rw-r--r-- | src/kernel/proc.c | 29 |
1 files changed, 25 insertions, 4 deletions
diff --git a/src/kernel/proc.c b/src/kernel/proc.c index 2af352b..8e94d24 100644 --- a/src/kernel/proc.c +++ b/src/kernel/proc.c @@ -6,6 +6,8 @@ #include <kernel/vfs/mount.h> #include <shared/mem.h> #include <stdint.h> +#include <kernel/arch/i386/interrupts/irq.h> // TODO move irq stuff to arch/generic +#include <kernel/vfs/root.h> // TODO struct process *process_first; struct process *process_current; @@ -66,11 +68,30 @@ void process_switch(struct process *proc) { _Noreturn void process_switch_any(void) { struct process *found = process_find(PS_RUNNING); - if (found) - process_switch(found); + if (found) process_switch(found); + process_idle(); +} + +_Noreturn void process_idle(void) { + struct process *procs[16]; + size_t len = process_find_multiple(PS_WAITS4IRQ, procs, 16); - mem_debugprint(); - cpu_shutdown(); + if (len == 0) { + mem_debugprint(); + cpu_shutdown(); + } + + irq_interrupt_flag(true); + for (;;) { + asm("hlt" ::: "memory"); // TODO move to irq.c + for (size_t i = 0; i < len; i++) { + if (procs[i]->waits4irq.ready()) { + irq_interrupt_flag(false); + vfs_root_handler(&procs[i]->waits4irq.req); // TODO this should be a function pointer too + process_switch_any(); + } + } + } } // TODO there's no check for going past the stack - VULN |