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>

1 files changed, 60 insertions, 0 deletions

diff --git a/dev/ddk/src/ddk_kernel_call.c b/dev/ddk/src/ddk_kernel_call.c
new file mode 100644
index 00000000..71dbebeb
--- /dev/null
+++ b/dev/ddk/src/ddk_kernel_call.c
@@ -0,0 +1,60 @@
+/* -------------------------------------------
+
+	Copyright Amlal EL Mahrouss.
+
+	Purpose: DDK Kernel call.
+
+------------------------------------------- */
+
+#include <ddk/ddk.h>
+#include <stdarg.h>
+
+/// @brief this is an internal call, do not use it.
+DDK_EXTERN ATTRIBUTE(naked) void* ke_call_dispatch(const char* name, int32_t cnt, void* data, size_t sz);
+
+/// @brief Interupt Kernel and call it's RPC.
+/// @param KernelRpcName RPC name
+/// @param cnt number of elements in **data** pointer.
+/// @param data data pointer.
+/// @param sz The size of the whole data pointer.
+/// @retval void* Kernel call was successful.
+/// @retval nil Kernel call failed, call KernelLastError(void)
+DDK_EXTERN void* ke_call(const char* name, int32_t cnt, void* data, size_t sz)
+{
+	if (!name || *name == 0 || cnt == 0)
+		return nil;
+
+	return ke_call_dispatch(name, cnt, data, sz);
+}
+
+/// @brief Add system call.
+/// @param slot system call slot
+/// @param slotFn, syscall slot.
+DDK_EXTERN void ke_add_syscall(const int slot, void (*slotFn)(void* a0))
+{
+	ke_call("ke_add_syscall", slot, slotFn, 1);
+}
+
+/// @brief Get a Kernel object.
+/// @param slot property id (always 0)
+/// @param name the object's name.
+/// @return Object manifest.
+DDK_EXTERN struct DDK_OBJECT_MANIFEST* ke_get_obj(const int slot, const char* name)
+{
+	struct DDK_OBJECT_MANIFEST* manifest = (struct DDK_OBJECT_MANIFEST*)ke_call("cf_get_kobj", slot, (void*)name, 1);
+
+	if (!manifest)
+		return nil;
+
+	return manifest;
+}
+
+/// @brief Set a Kernel object.
+/// @param slot property id (always 0)
+/// @param name the object's name.
+/// @param ddk_pr pointer to a object's DDK_OBJECT_MANIFEST.
+/// @return property's object.
+DDK_EXTERN void* ke_set_obj(const int slot, const struct DDK_OBJECT_MANIFEST* ddk_pr)
+{
+	return ke_call("cf_set_kobj", slot, (void*)ddk_pr, 1);
+}