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/* ****************************************************************************
* libfxsys' assembly utilities.
* Copyright (C) 2017 Thomas "Cakeisalie5" Touhey <thomas@touhey.fr>
* ************************************************************************* */
/* Make the syscall entry */
# define ENTRY(_NAME) \
.section .text; \
.global _NAME; \
.type _NAME, @function; \
.align 2; \
_NAME:
/* Make the bare syscall, using the `sc_addr` symbol. */
# define SYSCALL_BARE(_NAME, _X) \
ENTRY(_NAME) \
mov.l sc_addr, r2; \
mov.l 1f, r0; \
jmp @r2; \
nop; \
1: .long _X
/* Define the local `sc_addr` local symbol, which is where the syscall table
* address is. */
# define SYSCALL_ADDRESS \
sc_addr: .long 0x80010070
/* Define a syscall, defining and using the `sc_addr` local symbol. */
# define SYSCALL(_NAME, _X) \
SYSCALL_BARE(_NAME, _X); \
SYSCALL_ADDRESS
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