From 8a9208612eec8ddae4c418485d848ecfa0613699 Mon Sep 17 00:00:00 2001 From: Anton Kling Date: Mon, 30 Oct 2023 22:12:14 +0100 Subject: Meta: Move kernel and userland to their own folders. This is to allow both the kernel and the userland to share certain header files and to make the folder structure a bit more clear. --- kernel/cpu/io.h | 15 +++++++++++++++ 1 file changed, 15 insertions(+) create mode 100644 kernel/cpu/io.h (limited to 'kernel/cpu/io.h') diff --git a/kernel/cpu/io.h b/kernel/cpu/io.h new file mode 100644 index 0000000..38858a4 --- /dev/null +++ b/kernel/cpu/io.h @@ -0,0 +1,15 @@ +#include + +extern void outsw(uint16_t, uint32_t); +extern void outb(uint16_t, uint8_t); +extern void outw(uint16_t, uint16_t); +extern void outl(uint16_t, uint32_t); + +extern uint32_t inl(uint16_t); +extern uint16_t inw(uint16_t); +extern uint16_t inb(uint16_t); + +extern void rep_outsw(uint16_t count, uint16_t port, volatile void *addy); +__attribute__((no_caller_saved_registers)) extern void +rep_insw(uint16_t count, uint16_t port, volatile void *addy); +extern void jump_usermode(void (*address)(), uint32_t stack_pointer); -- cgit v1.2.3