+;; EFI:
+
+forth EFI_SYSTEM_TABLE_CONSTANT, 'SystemTable'
+ dq LIT, system_table, GET
+ dq EXIT
+
+forth_asm EFICALL2, 'EFICALL2'
+ pop rax ; function pointer
+ pop rdx ; 2nd argument
+ pop rcx ; 1st argument
+
+ push rsi
+
+ sub rsp, 32
+ call rax
+ add rsp, 32
+
+ pop rsi
+
+ next
+