port apic and hpet to mmio API, apic_msis

include/arch/irq.h

@@ -5,3 +5,4 @@
 bool arch_irq_set_state(bool state);
 bool arch_irq_get_state();
 void arch_irq_wait();
+errno_t arch_irq_alloc_msi(struct msi_line** out);

include/arch/sched.h

@@ -3,8 +3,11 @@
 #include <zinnia/errno.h>
 #include <zinnia/sched.h>
 
+struct percpu;
+
 void arch_sched_preempt_disable();
 bool arch_sched_preempt_enable();
+void arch_sched_kick(struct percpu* cpu);
 struct task* arch_sched_switch(struct task* from, struct task* to);
 errno_t arch_task_init(
     struct arch_task_context* context,
@@ -14,6 +17,8 @@ errno_t arch_task_init(
     bool is_user
 );
 void arch_task_fini(struct arch_task_context* context);
+void arch_task_fork(struct arch_task_context* dst);
+void arch_context_init_user(struct arch_context* ctx, uintptr_t ip, uintptr_t sp);
 [[noreturn]]
 void arch_sched_jump_to_context(struct arch_context* context);
 [[noreturn]]

include/zinnia/irq.h

@@ -1,6 +1,7 @@
 #pragma once
 
 #include <zinnia/compiler.h>
+#include <zinnia/errno.h>
 #include <zinnia/list.h>
 #include <zinnia/types.h>
 #include <stddef.h>