#if defined(CONFIG_S3C2400) || defined(CONFIG_S3C2410)
ldr r0, =pWTCON
mov r1, #0x0
str r1, [r0]
/*
* mask all IRQs by setting all bits in the INTMR - default
*/
movr1, #0xffffffff
ldrr0, =INTMSK
strr1, [r0]
# if defined(CONFIG_S3C2410)
ldrr1, =0x3ff
ldrr0, =INTSUBMSK
strr1, [r0]
# endif
在汇编里，以#开头的语句表示什么意思？