From b8f7ef086d1d1b1cd686fff04d0a587f8fd39d81 Mon Sep 17 00:00:00 2001 From: Amlal El Mahrouss Date: Thu, 27 Mar 2025 17:24:21 +0100 Subject: add: new driver device kit API. (DDK) refactor: rename SCIKit -> user (then libuser.dylib) boot/modules/netboot: fixed compilation for amd64. Signed-off-by: Amlal El Mahrouss --- dev/ddk/src/ddk_kernel_call_dispatch.S | 36 ++++++++++++++++++++++++++++++++++ 1 file changed, 36 insertions(+) create mode 100644 dev/ddk/src/ddk_kernel_call_dispatch.S (limited to 'dev/ddk/src/ddk_kernel_call_dispatch.S') diff --git a/dev/ddk/src/ddk_kernel_call_dispatch.S b/dev/ddk/src/ddk_kernel_call_dispatch.S new file mode 100644 index 00000000..9b32d0c2 --- /dev/null +++ b/dev/ddk/src/ddk_kernel_call_dispatch.S @@ -0,0 +1,36 @@ +/** + lang: asm + compiler: gnu + */ + +.globl ke_call_dispatch + +.text + +/* Really simple function, takes our va-list, + and brings it to the trap handler in the Kernel. */ + +#if defined(__DDK_AMD64__) + +/* args rcx, rdx, r8, r9 */ +ke_call_dispatch: + int $0x33 + ret + +#elif defined(__DDK_POWER64__) + +/* args r8, r9, r10, r11 */ +ke_call_dispatch: + /* 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 */ +ke_call_dispatch: + /* 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