diff options
| author | Anton Kling <anton@kling.gg> | 2023-10-30 22:12:14 +0100 |
|---|---|---|
| committer | Anton Kling <anton@kling.gg> | 2023-10-31 00:18:38 +0100 |
| commit | 8a9208612eec8ddae4c418485d848ecfa0613699 (patch) | |
| tree | 2f4b29200c2f0c19ae52f45bdb9b38a41b356e30 /kernel/cpu/io.h | |
| parent | ca76600acc8bf7a02346efa5bd8f17072210ec01 (diff) | |
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.
Diffstat (limited to 'kernel/cpu/io.h')
| -rw-r--r-- | kernel/cpu/io.h | 15 |
1 files changed, 15 insertions, 0 deletions
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 <stdint.h> + +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); |