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authorAmlal El Mahrouss <amlal@nekernel.org>2025-03-27 17:24:21 +0100
committerAmlal El Mahrouss <amlal@nekernel.org>2025-03-27 17:24:21 +0100
commitb8f7ef086d1d1b1cd686fff04d0a587f8fd39d81 (patch)
treeb6c2eb3ca2c51dc87ddd81b6170d5f63eabb9090 /dev/ddk/src/ddk_kernel_call_dispatch.S
parenteb86df50ec5afb392998e2e171de54e1f26d8e7a (diff)
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 <amlal@nekernel.org>
Diffstat (limited to 'dev/ddk/src/ddk_kernel_call_dispatch.S')
-rw-r--r--dev/ddk/src/ddk_kernel_call_dispatch.S36
1 files changed, 36 insertions, 0 deletions
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