Kernel: We can create basic userspace processes

These are still allocated on the kernel memory
2023-04-12 17:51:36 +03:00
parent 34358b8471
commit 8ee63f8264
10 changed files with 121 additions and 82 deletions
--- a/kernel/arch/x86_64/Thread.S
+++ b/kernel/arch/x86_64/Thread.S
@@ -23,4 +23,14 @@ start_thread:
 continue_thread:
 	movq %rdi, %rsp
 	movq $0, %rax
-	jmp *%rsi
+	jmp *%rsi
+
+# void thread_jump_userspace(uint64_t rsp, uint64_t rip)
+.global thread_jump_userspace
+thread_jump_userspace:
+	pushq $0x23
+	pushq %rdi
+	pushfq
+	pushq $0x1B
+	pushq %rsi
+	iretq