linux-sg2042/include/asm-sh/entry-macros.S

34 lines
465 B
ArmAsm

! entry.S macro define
.macro cli
stc sr, r0
or #0xf0, r0
ldc r0, sr
.endm
.macro sti
mov #0xf0, r11
extu.b r11, r11
not r11, r11
stc sr, r10
and r11, r10
#ifdef CONFIG_CPU_HAS_SR_RB
stc k_g_imask, r11
or r11, r10
#endif
ldc r10, sr
.endm
.macro get_current_thread_info, ti, tmp
#ifdef CONFIG_CPU_HAS_SR_RB
stc r7_bank, \ti
#else
mov #((THREAD_SIZE - 1) >> 10) ^ 0xff, \tmp
shll8 \tmp
shll2 \tmp
mov r15, \ti
and \tmp, \ti
#endif
.endm