From 4b4fe020a328e991ffd15ae475ad7a5d38f097a5 Mon Sep 17 00:00:00 2001 From: Amlal Date: Tue, 24 Sep 2024 06:57:42 +0200 Subject: IMP: Working on Paging API... FIX: Fixed the path of filesystem's ESP. Signed-off-by: Amlal --- dev/ddk/src/KernelCallDispatch.S | 36 ++++++++++++++++++++++++++++++++++++ 1 file changed, 36 insertions(+) create mode 100644 dev/ddk/src/KernelCallDispatch.S (limited to 'dev/ddk/src/KernelCallDispatch.S') diff --git a/dev/ddk/src/KernelCallDispatch.S b/dev/ddk/src/KernelCallDispatch.S new file mode 100644 index 00000000..3a9a57b5 --- /dev/null +++ b/dev/ddk/src/KernelCallDispatch.S @@ -0,0 +1,36 @@ +/** + lang: asm + compiler: gnu + */ + +.globl __KernelCallDispatch + +.text + +/* Really simple function, takes our va-list, + and brings it to the trap handler in the Kernel. */ + +#ifdef __DDK_AMD64__ + +/* args rcx, rdx, r8, r9 */ +__KernelCallDispatch: + int $0x33 + ret + +#elif defined(__DDK_POWER64__) + +/* args r8, r9, r10, r11 */ +__KernelCallDispatch: + /* There is no specific interrupt request id for a system call in POWER. */ + sc + blr + +#elif defined(__DDK_ARM64__) + +/* args x0, x8, x9, x10, x11 is kept to tell that this is a Kernel call */ +__KernelCallDispatch: + /* There is no specific interrupt request id for a system call in ARM64 as well. */ + mov x9, #0x33 + svc #0 + +#endif -- cgit v1.2.3