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kernel add
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! entry.S macro define
.macro cli
stc sr, r0
or #0xf0, r0
ldc r0, sr
.endm
.macro sti
mov #0xfffffff0, 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
#ifdef CONFIG_TRACE_IRQFLAGS
.macro TRACE_IRQS_ON
mov.l r0, @-r15
mov.l r1, @-r15
mov.l r2, @-r15
mov.l r3, @-r15
mov.l r4, @-r15
mov.l r5, @-r15
mov.l r6, @-r15
mov.l r7, @-r15
mov.l 7834f, r0
jsr @r0
nop
mov.l @r15+, r7
mov.l @r15+, r6
mov.l @r15+, r5
mov.l @r15+, r4
mov.l @r15+, r3
mov.l @r15+, r2
mov.l @r15+, r1
mov.l @r15+, r0
mov.l 7834f, r0
bra 7835f
nop
.balign 4
7834: .long trace_hardirqs_on
7835:
.endm
.macro TRACE_IRQS_OFF
mov.l r0, @-r15
mov.l r1, @-r15
mov.l r2, @-r15
mov.l r3, @-r15
mov.l r4, @-r15
mov.l r5, @-r15
mov.l r6, @-r15
mov.l r7, @-r15
mov.l 7834f, r0
jsr @r0
nop
mov.l @r15+, r7
mov.l @r15+, r6
mov.l @r15+, r5
mov.l @r15+, r4
mov.l @r15+, r3
mov.l @r15+, r2
mov.l @r15+, r1
mov.l @r15+, r0
mov.l 7834f, r0
bra 7835f
nop
.balign 4
7834: .long trace_hardirqs_off
7835:
.endm
#else
.macro TRACE_IRQS_ON
.endm
.macro TRACE_IRQS_OFF
.endm
#endif
#if defined(CONFIG_CPU_SH2A) || defined(CONFIG_CPU_SH4)
# define PREF(x) pref @x
#else
# define PREF(x) nop
#endif
/*
* Macro for use within assembly. Because the DWARF unwinder
* needs to use the frame register to unwind the stack, we
* need to setup r14 with the value of the stack pointer as
* the return address is usually on the stack somewhere.
*/
.macro setup_frame_reg
#ifdef CONFIG_DWARF_UNWINDER
mov r15, r14
#endif
.endm
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