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Kernel: Sleep now actually sleeps and allows idling

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Bananymous
2023-02-19 17:53:29 +02:00
parent 66a4b69a29
commit 1bd8b0fe5c
10 changed files with 101 additions and 72 deletions
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4
kernel/arch/i386/IDT.cpp
View File

@@ -129,7 +129,9 @@ found:
else
dprintln("no handler for irq 0x{2H}\n", irq);
InterruptController::get().eoi(irq);
// NOTE: Scheduler sends PIT eoi's
if (irq != PIT_IRQ)
InterruptController::get().eoi(irq);
}
extern "C" void handle_irq_common();

12
kernel/arch/i386/Thread.S
View File

@@ -11,12 +11,11 @@ exit_thread_trampoline:
pushl %eax
ret
# void start_thread(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint32_t arg3, uint32_t rsp, uint32_t rbp, uint32_t rip)
# void start_thread(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint32_t arg3, uint32_t rsp, uint32_t rip)
.global start_thread
start_thread:
movl %esp, %eax
movl 28(%eax), %ecx
movl 24(%eax), %ebp
movl 24(%eax), %ecx
movl 20(%eax), %esp
pushl 16(%eax)
@@ -25,14 +24,15 @@ start_thread:
pushl 4(%eax)
pushl $exit_thread_trampoline
movl $0, %ebp
sti
jmp *%ecx
# void continue_thread(uint32_t rsp, uint32_t rbp, uint32_t rip)
# void continue_thread(uint32_t rsp, uint32_t rip)
.global continue_thread
continue_thread:
movl 12(%esp), %ecx
movl 8(%esp), %ebp
movl 8(%esp), %ecx
movl 4(%esp), %esp
movl $0, %eax
jmp *%ecx

4
kernel/arch/x86_64/IDT.cpp
View File

@@ -126,7 +126,9 @@ namespace IDT
dprintln("no handler for irq 0x{2H}\n", irq);
}
InterruptController::get().eoi(irq);
// NOTE: Scheduler sends PIT eoi's
if (irq != PIT_IRQ)
InterruptController::get().eoi(irq);
}
static void flush_idt()

12
kernel/arch/x86_64/Thread.S
View File

@@ -8,20 +8,18 @@ exit_thread_trampoline:
movq 8(%rsp), %rdi
ret
# void start_thread(uint64_t arg0, uint64_t arg1, uint64_t arg2, uint64_t arg3, uint64_t rsp, uint64_t rbp, uint64_t rip)
# void start_thread(uint64_t arg0, uint64_t arg1, uint64_t arg2, uint64_t arg3, uint64_t rsp, uint64_t rip)
.global start_thread
start_thread:
movq 8(%rsp), %rcx
movq %r8, %rsp
movq %r9, %rbp
movq $0, %rbp
pushq $exit_thread_trampoline
sti
jmp *%rcx
jmp *%r9
# void continue_thread(uint64_t rsp, uint64_t rbp, uint64_t rip)
# void continue_thread(uint64_t rsp, uint64_t rip)
.global continue_thread
continue_thread:
movq %rdi, %rsp
movq %rsi, %rbp
movq $0, %rax
jmp *%rdx
jmp *%rsi