x86_64 now compiles and builds :) :)

[tpg/acess2.git] / Kernel / arch / x86_64 / start64.asm

diff --git a/Kernel/arch/x86_64/start64.asm b/Kernel/arch/x86_64/start64.asm
index 30fc971..a2ffb19 100644 (file)
--- a/Kernel/arch/x86_64/start64.asm
+++ b/Kernel/arch/x86_64/start64.asm
@@ -63,6 +63,26 @@ Proc_ReturnToUser:
        
        iret
 
+; int CallWithArgArray(void *Ptr, int NArgs, Uint *Args)
+; Call a function passing the array as arguments
+[global CallWithArgArray]
+CallWithArgArray:
+       push rbp
+       mov rbp, rsp
+       mov rcx, [rbp+3*8]      ; Get NArgs
+       mov rdx, [rbp+4*8]
+
+.top:
+       mov rax, [rdx+rcx*8-8]
+       push rax
+       loop .top
+       
+       mov rax, [rbp+2*8]
+       call rax
+       lea rsp, [rbp]
+       pop rbp
+       ret
+
 [section .usertext]
 User_Syscall_RetAndExit:
        mov rdi, rax