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values | syntax stringclasses 5
values | kind stringclasses 4
values | repo stringclasses 32
values | path stringlengths 7 108 | license stringclasses 10
values | commit stringlengths 40 40 | source_host stringclasses 1
value | category stringclasses 15
values | source_url stringlengths 85 192 | line_start int64 1 5.48k | line_end int64 4 5.5k |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
NetBSD/src:sys/arch/x68k/x68k/locore.s:12 | addql #1,_C_LABEL(intrcnt)+0
INTERRUPT_SAVEREG
CPUINFO_INCREMENT(CI_NINTR)
INTERRUPT_RESTOREREG
rte | XXX mfpcure (x680x0 hardware bug)
ENTRY_NOPROFILE(kbdtimer)
rte
ENTRY_NOPROFILE(intiotrap)
addql #1,_C_LABEL(intr_depth)
INTERRUPT_SAVEREG
pea %sp@(16-(FR_HW)) | XXX
jbsr _C_LABEL(intio_intr)
addql #4,%s... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | 6de54b5f0e773667a6a453f9ed496e1573fb4b0c | github | kernel | https://github.com/NetBSD/src/blob/6de54b5f0e773667a6a453f9ed496e1573fb4b0c/sys/arch/x68k/x68k/locore.s | 441 | 500 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:13 | jra _ASM_LABEL(rei)
ENTRY_NOPROFILE(timertrap)
addql #1,_C_LABEL(intr_depth)
INTERRUPT_SAVEREG | save scratch registers
addql #1,_C_LABEL(intrcnt)+32 | count hardclock interrupts
movl %sp,%sp@- | push pointer to clockframe
jbsr _C_LABEL(hardclock) | hardclock(&frame)
addql #4,%sp
CPUINFO_INCREMENT(CI_NINTR) |... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | 6de54b5f0e773667a6a453f9ed496e1573fb4b0c | github | kernel | https://github.com/NetBSD/src/blob/6de54b5f0e773667a6a453f9ed496e1573fb4b0c/sys/arch/x68k/x68k/locore.s | 481 | 540 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:14 | /*
* Use common m68k process/lwp switch and context save subroutines.
*/
#define FPCOPROC /* XXX: Temp. reqd. */
#include <m68k/m68k/switch_subr.s>
/*
* _delay(u_int N)
*
* Delay for at least N microseconds.
* This routine depends on the variable: delay_divisor
* which should be set based on the CPU clock rate... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | 6de54b5f0e773667a6a453f9ed496e1573fb4b0c | github | kernel | https://github.com/NetBSD/src/blob/6de54b5f0e773667a6a453f9ed496e1573fb4b0c/sys/arch/x68k/x68k/locore.s | 521 | 580 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:15 | jne Ldoboot0 | no, skip
.word 0xf4f8 | cpusha bc - push and invalidate caches
nop
movl #CACHE40_OFF,%d0
Ldoboot0:
#endif
movc %d0,%cacr | disable on-chip cache(s)
| ok, turn off MMU..
Ldoreboot:
#if defined(M68040) || defined(M68060)
tstl %d2 | 68040?
jne LmotommuF | no, skip
movc %a1,%cacr | caches of... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | 6de54b5f0e773667a6a453f9ed496e1573fb4b0c | github | kernel | https://github.com/NetBSD/src/blob/6de54b5f0e773667a6a453f9ed496e1573fb4b0c/sys/arch/x68k/x68k/locore.s | 561 | 620 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:16 | .long EC_NONE | external cache type, default to none
#endif
GLOBAL(intiobase)
.long 0 | KVA of base of internal IO space
#ifdef DEBUG
ASGLOBAL(fulltflush)
.long 0
ASGLOBAL(fullcflush)
.long 0
#endif
/* interrupt counters */
GLOBAL(intrnames)
.asciz "spur"
.asciz "lev1"
.asciz "lev2"
.asciz "lev3"
.asci... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | 6de54b5f0e773667a6a453f9ed496e1573fb4b0c | github | kernel | https://github.com/NetBSD/src/blob/6de54b5f0e773667a6a453f9ed496e1573fb4b0c/sys/arch/x68k/x68k/locore.s | 601 | 633 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:13 | jra _ASM_LABEL(rei)
ENTRY_NOPROFILE(timertrap)
addql #1,_C_LABEL(intr_depth)
INTERRUPT_SAVEREG | save scratch registers
addql #1,_C_LABEL(intrcnt)+32 | count hardclock interrupts
movl %sp,%sp@- | push pointer to clockframe
jbsr _C_LABEL(hardclock) | hardclock(&frame)
addql #4,%sp
CPUINFO_INCREMENT(CI_NINTR) |... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | 579bea99f8d7b146dccdb8ef94846e9e8fa5b579 | github | kernel | https://github.com/NetBSD/src/blob/579bea99f8d7b146dccdb8ef94846e9e8fa5b579/sys/arch/x68k/x68k/locore.s | 481 | 540 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:14 | /*
* Use common m68k process/lwp switch and context save subroutines.
*/
#define FPCOPROC /* XXX: Temp. reqd. */
#include <m68k/m68k/switch_subr.s>
ENTRY(ecacheon)
rts
ENTRY(ecacheoff)
rts
/*
* _delay(u_int N)
*
* Delay for at least N microseconds.
* This routine depends on the variable: delay_divisor
* wh... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | 579bea99f8d7b146dccdb8ef94846e9e8fa5b579 | github | kernel | https://github.com/NetBSD/src/blob/579bea99f8d7b146dccdb8ef94846e9e8fa5b579/sys/arch/x68k/x68k/locore.s | 521 | 580 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:15 | subal %a1,%a1 | a1 = 0
movl #CACHE_OFF,%d0
#if defined(M68040) || defined(M68060)
movl _C_LABEL(mmutype),%d2 | d2 = mmutype
addl #(-1 * MMU_68040),%d2 | 68040?
jne Ldoboot0 | no, skip
.word 0xf4f8 | cpusha bc - push and invalidate caches
nop
movl #CACHE40_OFF,%d0
Ldoboot0:
#endif
movc %d0,%cacr | disabl... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | 579bea99f8d7b146dccdb8ef94846e9e8fa5b579 | github | kernel | https://github.com/NetBSD/src/blob/579bea99f8d7b146dccdb8ef94846e9e8fa5b579/sys/arch/x68k/x68k/locore.s | 561 | 620 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:16 | GLOBAL(cputype)
.long CPU_68030 | default to 68030 CPU
#ifdef M68K_MMU_HP
GLOBAL(ectype)
.long EC_NONE | external cache type, default to none
#endif
GLOBAL(intiobase)
.long 0 | KVA of base of internal IO space
#ifdef DEBUG
ASGLOBAL(fulltflush)
.long 0
ASGLOBAL(fullcflush)
.long 0
#endif
/* interrupt coun... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | 579bea99f8d7b146dccdb8ef94846e9e8fa5b579 | github | kernel | https://github.com/NetBSD/src/blob/579bea99f8d7b146dccdb8ef94846e9e8fa5b579/sys/arch/x68k/x68k/locore.s | 601 | 639 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:8 | cmpl #CPU_68060,%a0@ | 68060?
jne Lnot060cache
movl #1,%d0
.long 0x4e7b0808 | movcl %d0,%pcr
movl #0xa0808000,%d0
movc %d0,%cacr | enable store buffer, both caches
jmp Lenab1
Lnot060cache:
#endif
movl #CACHE40_ON,%d0
movc %d0,%cacr | turn on both caches
jmp Lenab1
Lmotommu2:
pflusha
movl #MMU51_TCR_BITS,... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | 9221125ecc4095caa14fffa7bba29a43c94152a4 | github | kernel | https://github.com/NetBSD/src/blob/9221125ecc4095caa14fffa7bba29a43c94152a4/sys/arch/x68k/x68k/locore.s | 281 | 340 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:9 | jbsr _C_LABEL(x68k_init) | additional pre-main initialization
addql #4,%sp
jra _C_LABEL(main) | main() (never returns)
/*
* Other exceptions only cause four and six word stack frame and require
* no post-trap stack adjustment.
*/
/*
* Trace (single-step) trap. Kernel-mode is special.
* User mode traps are si... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | 9221125ecc4095caa14fffa7bba29a43c94152a4 | github | kernel | https://github.com/NetBSD/src/blob/9221125ecc4095caa14fffa7bba29a43c94152a4/sys/arch/x68k/x68k/locore.s | 321 | 380 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:10 | moveq #T_TRAP15,%d0
movw %sp@(FR_HW),%d1 | get PSW
andw #PSL_S,%d1 | from system mode?
jne Lkbrkpt | yes, kernel breakpoint
jra _ASM_LABEL(fault) | no, user-mode fault
Lkbrkpt: | Kernel-mode breakpoint or trace trap. (%d0=trap_type)
| Save the system sp rather than the user sp.
movw #PSL_HIGHIPL,%sr | lock o... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | 9221125ecc4095caa14fffa7bba29a43c94152a4 | github | kernel | https://github.com/NetBSD/src/blob/9221125ecc4095caa14fffa7bba29a43c94152a4/sys/arch/x68k/x68k/locore.s | 361 | 420 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:11 | movl %d2,%sp@- | push trap type
jbsr _C_LABEL(kgdb_trap) | handle the trap
addql #8,%sp | pop args
cmpl #0,%d0 | did kgdb handle it?
jne Lbrkpt3 | yes, done
#endif
#ifdef DDB
| Let DDB handle it
movl %a2,%sp@- | push frame ptr
movl %d2,%sp@- | push trap type
jbsr _C_LABEL(kdb_trap) | handle the trap
a... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | 9221125ecc4095caa14fffa7bba29a43c94152a4 | github | kernel | https://github.com/NetBSD/src/blob/9221125ecc4095caa14fffa7bba29a43c94152a4/sys/arch/x68k/x68k/locore.s | 401 | 460 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:12 | INTERRUPT_SAVEREG
CPUINFO_INCREMENT(CI_NINTR)
INTERRUPT_RESTOREREG
rte | XXX mfpcure (x680x0 hardware bug)
ENTRY_NOPROFILE(kbdtimer)
rte
ENTRY_NOPROFILE(intiotrap)
addql #1,_C_LABEL(intr_depth)
INTERRUPT_SAVEREG
pea %sp@(16-(FR_HW)) | XXX
jbsr _C_LABEL(intio_intr)
addql #4,%sp
CPUINFO_INCREMENT(CI_NINTR)... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | 9221125ecc4095caa14fffa7bba29a43c94152a4 | github | kernel | https://github.com/NetBSD/src/blob/9221125ecc4095caa14fffa7bba29a43c94152a4/sys/arch/x68k/x68k/locore.s | 441 | 500 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:13 | ENTRY_NOPROFILE(timertrap)
addql #1,_C_LABEL(intr_depth)
INTERRUPT_SAVEREG | save scratch registers
addql #1,_C_LABEL(intrcnt)+32 | count hardclock interrupts
movl %sp,%sp@- | push pointer to clockframe
jbsr _C_LABEL(hardclock) | hardclock(&frame)
addql #4,%sp
CPUINFO_INCREMENT(CI_NINTR) | chalk up another int... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | 9221125ecc4095caa14fffa7bba29a43c94152a4 | github | kernel | https://github.com/NetBSD/src/blob/9221125ecc4095caa14fffa7bba29a43c94152a4/sys/arch/x68k/x68k/locore.s | 481 | 540 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:14 | * Use common m68k process/lwp switch and context save subroutines.
*/
#define FPCOPROC /* XXX: Temp. reqd. */
#include <m68k/m68k/switch_subr.s>
ENTRY(ecacheon)
rts
ENTRY(ecacheoff)
rts
/*
* _delay(u_int N)
*
* Delay for at least N microseconds.
* This routine depends on the variable: delay_divisor
* which ... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | 9221125ecc4095caa14fffa7bba29a43c94152a4 | github | kernel | https://github.com/NetBSD/src/blob/9221125ecc4095caa14fffa7bba29a43c94152a4/sys/arch/x68k/x68k/locore.s | 521 | 580 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:15 | movl #CACHE_OFF,%d0
#if defined(M68040) || defined(M68060)
movl _C_LABEL(mmutype),%d2 | d2 = mmutype
addl #(-1 * MMU_68040),%d2 | 68040?
jne Ldoboot0 | no, skip
.word 0xf4f8 | cpusha bc - push and invalidate caches
nop
movl #CACHE40_OFF,%d0
Ldoboot0:
#endif
movc %d0,%cacr | disable on-chip cache(s)
| ok, ... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | 9221125ecc4095caa14fffa7bba29a43c94152a4 | github | kernel | https://github.com/NetBSD/src/blob/9221125ecc4095caa14fffa7bba29a43c94152a4/sys/arch/x68k/x68k/locore.s | 561 | 620 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:8 | cmpl #CPU_68060,%a0@ | 68060?
jne Lnot060cache
movl #1,%d0
.long 0x4e7b0808 | movcl %d0,%pcr
movl #0xa0808000,%d0
movc %d0,%cacr | enable store buffer, both caches
jmp Lenab1
Lnot060cache:
#endif
movl #CACHE40_ON,%d0
movc %d0,%cacr | turn on both caches
jmp Lenab1
Lmotommu2:
pflusha
movl #MMU51_TCR_BITS,... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | a8a4cf49bbdcc74016a411ab0f760cbb376f0def | github | kernel | https://github.com/NetBSD/src/blob/a8a4cf49bbdcc74016a411ab0f760cbb376f0def/sys/arch/x68k/x68k/locore.s | 281 | 340 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:9 | Ltbia040:
.word 0xf518 | pflusha
Lenab3:
movl %d7,%sp@- | push nextpa saved above
jbsr _C_LABEL(x68k_init) | additional pre-main initialization
addql #4,%sp
jra _C_LABEL(main) | main() (never returns)
/*
* Other exceptions only cause four and six word stack frame and require
* no post-trap stack adjustment.... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | a8a4cf49bbdcc74016a411ab0f760cbb376f0def | github | kernel | https://github.com/NetBSD/src/blob/a8a4cf49bbdcc74016a411ab0f760cbb376f0def/sys/arch/x68k/x68k/locore.s | 321 | 380 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:10 | */
ENTRY_NOPROFILE(trap15)
clrl %sp@- | stack adjust count
moveml #0xFFFF,%sp@-
moveq #T_TRAP15,%d0
movw %sp@(FR_HW),%d1 | get PSW
andw #PSL_S,%d1 | from system mode?
jne Lkbrkpt | yes, kernel breakpoint
jra _ASM_LABEL(fault) | no, user-mode fault
Lkbrkpt: | Kernel-mode breakpoint or trace trap. (%d0=trap... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | a8a4cf49bbdcc74016a411ab0f760cbb376f0def | github | kernel | https://github.com/NetBSD/src/blob/a8a4cf49bbdcc74016a411ab0f760cbb376f0def/sys/arch/x68k/x68k/locore.s | 361 | 420 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:11 | movl %sp,%a2 | frame ptr
#ifdef KGDB
| Let KGDB handle it (if connected)
movl %a2,%sp@- | push frame ptr
movl %d2,%sp@- | push trap type
jbsr _C_LABEL(kgdb_trap) | handle the trap
addql #8,%sp | pop args
cmpl #0,%d0 | did kgdb handle it?
jne Lbrkpt3 | yes, done
#endif
#ifdef DDB
| Let DDB handle it
m... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | a8a4cf49bbdcc74016a411ab0f760cbb376f0def | github | kernel | https://github.com/NetBSD/src/blob/a8a4cf49bbdcc74016a411ab0f760cbb376f0def/sys/arch/x68k/x68k/locore.s | 401 | 460 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:12 | */
ENTRY_NOPROFILE(spurintr) /* level 0 */
addql #1,_C_LABEL(intrcnt)+0
INTERRUPT_SAVEREG
CPUINFO_INCREMENT(CI_NINTR)
INTERRUPT_RESTOREREG
rte | XXX mfpcure (x680x0 hardware bug)
ENTRY_NOPROFILE(kbdtimer)
rte
ENTRY_NOPROFILE(intiotrap)
addql #1,_C_LABEL(intr_depth)
INTERRUPT_SAVEREG
pea %sp@(16-(FR_HW)) ... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | a8a4cf49bbdcc74016a411ab0f760cbb376f0def | github | kernel | https://github.com/NetBSD/src/blob/a8a4cf49bbdcc74016a411ab0f760cbb376f0def/sys/arch/x68k/x68k/locore.s | 441 | 500 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:13 | CPUINFO_INCREMENT(CI_NINTR)
INTERRUPT_RESTOREREG
subql #1,_C_LABEL(intr_depth)
jra _ASM_LABEL(rei)
ENTRY_NOPROFILE(timertrap)
addql #1,_C_LABEL(intr_depth)
INTERRUPT_SAVEREG | save scratch registers
addql #1,_C_LABEL(intrcnt)+32 | count hardclock interrupts
movl %sp,%sp@- | push pointer to clockframe
jbsr _C... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | a8a4cf49bbdcc74016a411ab0f760cbb376f0def | github | kernel | https://github.com/NetBSD/src/blob/a8a4cf49bbdcc74016a411ab0f760cbb376f0def/sys/arch/x68k/x68k/locore.s | 481 | 540 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:14 | * Primitives
*/
/*
* Use common m68k process/lwp switch and context save subroutines.
*/
#define FPCOPROC /* XXX: Temp. reqd. */
#include <m68k/m68k/switch_subr.s>
ENTRY(ecacheon)
rts
ENTRY(ecacheoff)
rts
/*
* _delay(u_int N)
*
* Delay for at least N microseconds.
* This routine depends on the variable: d... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | a8a4cf49bbdcc74016a411ab0f760cbb376f0def | github | kernel | https://github.com/NetBSD/src/blob/a8a4cf49bbdcc74016a411ab0f760cbb376f0def/sys/arch/x68k/x68k/locore.s | 521 | 580 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:15 | */
ENTRY_NOPROFILE(doboot)
movw #PSL_HIGHIPL,%sr | cut off any interrupts
subal %a1,%a1 | a1 = 0
movl #CACHE_OFF,%d0
#if defined(M68040) || defined(M68060)
movl _C_LABEL(mmutype),%d2 | d2 = mmutype
addl #(-1 * MMU_68040),%d2 | 68040?
jne Ldoboot0 | no, skip
.word 0xf4f8 | cpusha bc - push and invalidate c... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | a8a4cf49bbdcc74016a411ab0f760cbb376f0def | github | kernel | https://github.com/NetBSD/src/blob/a8a4cf49bbdcc74016a411ab0f760cbb376f0def/sys/arch/x68k/x68k/locore.s | 561 | 620 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:16 | .data
GLOBAL(mmutype)
.long MMU_68030 | default to 030 internal MMU
GLOBAL(cputype)
.long CPU_68030 | default to 68030 CPU
#ifdef M68K_MMU_HP
GLOBAL(ectype)
.long EC_NONE | external cache type, default to none
#endif
GLOBAL(intiobase)
.long 0 | KVA of base of internal IO space
#ifdef DEBUG
ASGLOBAL(fulltf... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | a8a4cf49bbdcc74016a411ab0f760cbb376f0def | github | kernel | https://github.com/NetBSD/src/blob/a8a4cf49bbdcc74016a411ab0f760cbb376f0def/sys/arch/x68k/x68k/locore.s | 601 | 642 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:8 | cmpl #CPU_68060,%a0@ | 68060?
jne Lnot060cache
movl #1,%d0
.long 0x4e7b0808 | movcl %d0,%pcr
movl #0xa0808000,%d0
movc %d0,%cacr | enable store buffer, both caches
jmp Lenab1
Lnot060cache:
#endif
movl #CACHE40_ON,%d0
movc %d0,%cacr | turn on both caches
jmp Lenab1
Lmotommu2:
pflusha
movl #MMU51_TCR_BITS,... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | 84a48d1a5808bcc15e4c5092d3710e1c7ed8cdce | github | kernel | https://github.com/NetBSD/src/blob/84a48d1a5808bcc15e4c5092d3710e1c7ed8cdce/sys/arch/x68k/x68k/locore.s | 281 | 340 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:9 | Lenab3:
/* final setup for C code */
movl %d7,%sp@- | push nextpa saved above
jbsr _C_LABEL(x68k_init) | additional pre-main initialization
addql #4,%sp
/*
* Create a fake exception frame so that cpu_lwp_fork() can copy it.
* main() nevers returns; we exit to user mode from a forked process
* later on.
*/
clrw... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | 84a48d1a5808bcc15e4c5092d3710e1c7ed8cdce | github | kernel | https://github.com/NetBSD/src/blob/84a48d1a5808bcc15e4c5092d3710e1c7ed8cdce/sys/arch/x68k/x68k/locore.s | 321 | 380 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:10 | movw %sp@(FR_HW),%d1 | get PSW
notw %d1 | XXX no support for T0 on 680[234]0
andw #PSL_TS,%d1 | from system mode (T=1, S=1)?
jeq Lkbrkpt | yes, kernel breakpoint
jra _ASM_LABEL(fault) | no, user-mode fault
/*
* Trap 15 is used for:
* - GDB breakpoints (in user programs)
* - KGDB breakpoints (in the kernel... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | 84a48d1a5808bcc15e4c5092d3710e1c7ed8cdce | github | kernel | https://github.com/NetBSD/src/blob/84a48d1a5808bcc15e4c5092d3710e1c7ed8cdce/sys/arch/x68k/x68k/locore.s | 361 | 420 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:11 | subql #4,%d1
jgt Lbrkpt1
Lbrkpt2:
| Call the trap handler for the kernel debugger.
| Do not call trap() to do it, so that we can
| set breakpoints in trap() if we want. We know
| the trap type is either T_TRACE or T_BREAKPOINT.
| If we have both DDB and KGDB, let KGDB see it first,
| because KGDB will just ret... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | 84a48d1a5808bcc15e4c5092d3710e1c7ed8cdce | github | kernel | https://github.com/NetBSD/src/blob/84a48d1a5808bcc15e4c5092d3710e1c7ed8cdce/sys/arch/x68k/x68k/locore.s | 401 | 460 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:12 | movl %sp@(FR_SP),%a0 | modified %sp
lea %sp@(FR_SIZE),%a1 | end of our frame
movl %a1@-,%a0@- | copy 2 longs with
movl %a1@-,%a0@- | ... predecrement
movl %a0,%sp@(FR_SP) | %sp = h/w frame
moveml %sp@+,#0x7FFF | restore all but %sp
movl %sp@,%sp | ... and %sp
rte | all done
/*
* Provide a generic inte... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | 84a48d1a5808bcc15e4c5092d3710e1c7ed8cdce | github | kernel | https://github.com/NetBSD/src/blob/84a48d1a5808bcc15e4c5092d3710e1c7ed8cdce/sys/arch/x68k/x68k/locore.s | 441 | 500 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:13 | ENTRY_NOPROFILE(lev6intr)
addql #1,_C_LABEL(intr_depth)
INTERRUPT_SAVEREG
Lnotdma:
lea _C_LABEL(intrcnt),%a0
movw %sp@(22),%d0 | use vector offset
andw #0xfff,%d0 | sans frame type
addql #1,%a0@(-0x60,%d0:w) | to increment apropos counter
movw %sr,%sp@- | push current SR value
clrw %sp@- | padded ... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | 84a48d1a5808bcc15e4c5092d3710e1c7ed8cdce | github | kernel | https://github.com/NetBSD/src/blob/84a48d1a5808bcc15e4c5092d3710e1c7ed8cdce/sys/arch/x68k/x68k/locore.s | 481 | 540 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:14 | addql #8,%sp | pop SP and stack adjust
subql #1,_C_LABEL(intr_depth)
jra _ASM_LABEL(rei) | all done
/*
* floppy ejection trap
*/
ENTRY_NOPROFILE(fdeject)
jra _ASM_LABEL(rei)
/*
* Primitives
*/
/*
* Use common m68k process/lwp switch and context save subroutines.
*/
#define FPCOPROC /* XXX: Temp. reqd. *... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | 84a48d1a5808bcc15e4c5092d3710e1c7ed8cdce | github | kernel | https://github.com/NetBSD/src/blob/84a48d1a5808bcc15e4c5092d3710e1c7ed8cdce/sys/arch/x68k/x68k/locore.s | 521 | 580 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:15 | L_delay:
subl %d1,%d0
jgt L_delay
rts
/*
* Handle the nitty-gritty of rebooting the machine.
* Basically we just turn off the MMU and jump to the appropriate ROM routine.
* Note that we must be running in an address range that is mapped one-to-one
* logical to physical so that the PC is still valid immediately ... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | 84a48d1a5808bcc15e4c5092d3710e1c7ed8cdce | github | kernel | https://github.com/NetBSD/src/blob/84a48d1a5808bcc15e4c5092d3710e1c7ed8cdce/sys/arch/x68k/x68k/locore.s | 561 | 620 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:16 | pmove %sp@,%tc | disable MMU
Ldoreboot1:
moveml 0x00ff0000,#0x0101 | get RESET vectors in ROM
| (d0: ssp, a0: pc)
moveml #0x0101,%a1@ | put them at 0x0000 (for Xellent30)
movc %a1,%vbr | reset Vector Base Register
jmp %a0@ | reboot X680x0
Lebootcode:
/*
* Misc. global variables.
*/
.data
GLOBAL(mmutyp... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | 84a48d1a5808bcc15e4c5092d3710e1c7ed8cdce | github | kernel | https://github.com/NetBSD/src/blob/84a48d1a5808bcc15e4c5092d3710e1c7ed8cdce/sys/arch/x68k/x68k/locore.s | 601 | 654 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:17 | .asciz "lev2"
.asciz "lev3"
.asciz "lev4"
.asciz "lev5"
.asciz "lev6"
.asciz "nmi"
.asciz "clock"
.asciz "com"
GLOBAL(eintrnames)
.even
GLOBAL(intrcnt)
.long 0,0,0,0,0,0,0,0,0,0
GLOBAL(eintrcnt) | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | 84a48d1a5808bcc15e4c5092d3710e1c7ed8cdce | github | kernel | https://github.com/NetBSD/src/blob/84a48d1a5808bcc15e4c5092d3710e1c7ed8cdce/sys/arch/x68k/x68k/locore.s | 641 | 654 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:9 | Lenab3:
/* final setup for C code */
movl %d7,%sp@- | push nextpa saved above
jbsr _C_LABEL(x68k_init) | additional pre-main initialization
addql #4,%sp
/*
* Create a fake exception frame so that cpu_lwp_fork() can copy it.
* main() nevers returns; we exit to user mode from a forked process
* later on.
*/
clr... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | 84717b5c0311acf99ccc154c3714194745354b43 | github | kernel | https://github.com/NetBSD/src/blob/84717b5c0311acf99ccc154c3714194745354b43/sys/arch/x68k/x68k/locore.s | 321 | 380 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:10 | | T=1 S=0 trace trap from user mode
| T=0 S=1 trace trap on a trap instruction
| T=1 S=1 trace trap from system mode (kernel breakpoint)
movw %sp@(FR_HW),%d1 | get PSW
notw %d1 | XXX no support for T0 on 680[234]0
andw #PSL_TS,%d1 | from system mode (T=1, S=1)?
jeq Lkbrkpt | yes, kernel breakpoint
j... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | 84717b5c0311acf99ccc154c3714194745354b43 | github | kernel | https://github.com/NetBSD/src/blob/84717b5c0311acf99ccc154c3714194745354b43/sys/arch/x68k/x68k/locore.s | 361 | 420 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:11 | movl %a1,%sp | %sp=new frame
moveq #FR_SIZE,%d1
Lbrkpt1:
movl %a0@+,%a1@+
subql #4,%d1
jgt Lbrkpt1
Lbrkpt2:
| Call the trap handler for the kernel debugger.
| Do not call trap() to do it, so that we can
| set breakpoints in trap() if we want. We know
| the trap type is either T_TRACE or T_BREAKPOINT.
| If ... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | 84717b5c0311acf99ccc154c3714194745354b43 | github | kernel | https://github.com/NetBSD/src/blob/84717b5c0311acf99ccc154c3714194745354b43/sys/arch/x68k/x68k/locore.s | 401 | 460 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:12 | | data below it modified (by kgdb push call),
| so push the hardware frame at the current sp
| before restoring registers and returning.
movl %sp@(FR_SP),%a0 | modified %sp
lea %sp@(FR_SIZE),%a1 | end of our frame
movl %a1@-,%a0@- | copy 2 longs with
movl %a1@-,%a0@- | ... predecrement
movl %a0,%sp@(FR_SP) ... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | 84717b5c0311acf99ccc154c3714194745354b43 | github | kernel | https://github.com/NetBSD/src/blob/84717b5c0311acf99ccc154c3714194745354b43/sys/arch/x68k/x68k/locore.s | 441 | 500 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:13 | ENTRY_NOPROFILE(lev2intr)
ENTRY_NOPROFILE(lev3intr)
ENTRY_NOPROFILE(lev4intr)
ENTRY_NOPROFILE(lev5intr)
ENTRY_NOPROFILE(lev6intr)
addql #1,_C_LABEL(intr_depth)
INTERRUPT_SAVEREG
Lnotdma:
lea _C_LABEL(intrcnt),%a0
movw %sp@(22),%d0 | use vector offset
andw #0xfff,%d0 | sans frame type
addql #1,%a0@(-0x60,%d0:w... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | 84717b5c0311acf99ccc154c3714194745354b43 | github | kernel | https://github.com/NetBSD/src/blob/84717b5c0311acf99ccc154c3714194745354b43/sys/arch/x68k/x68k/locore.s | 481 | 540 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:14 | jbsr _C_LABEL(nmihand) | call handler
movl %sp@(FR_SP),%a0 | restore
movl %a0,%usp | user SP
moveml %sp@+,#0x7FFF | and remaining registers
addql #8,%sp | pop SP and stack adjust
subql #1,_C_LABEL(intr_depth)
jra _ASM_LABEL(rei) | all done
/*
* floppy ejection trap
*/
ENTRY_NOPROFILE(fdeject)
jra _AS... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | 84717b5c0311acf99ccc154c3714194745354b43 | github | kernel | https://github.com/NetBSD/src/blob/84717b5c0311acf99ccc154c3714194745354b43/sys/arch/x68k/x68k/locore.s | 521 | 580 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:15 | movl %sp@(4),%d0
lsll #8,%d0
| %d1 = delay_divisor
movl _C_LABEL(delay_divisor),%d1
L_delay:
subl %d1,%d0
jgt L_delay
rts
/*
* Handle the nitty-gritty of rebooting the machine.
* Basically we just turn off the MMU and jump to the appropriate ROM routine.
* Note that we must be running in an address range that... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | 84717b5c0311acf99ccc154c3714194745354b43 | github | kernel | https://github.com/NetBSD/src/blob/84717b5c0311acf99ccc154c3714194745354b43/sys/arch/x68k/x68k/locore.s | 561 | 620 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:16 | jra Ldoreboot1
LmotommuF:
#endif
clrl %sp@
pmove %sp@,%tc | disable MMU
Ldoreboot1:
moveml 0x00ff0000,#0x0101 | get RESET vectors in ROM
| (d0: ssp, a0: pc)
moveml #0x0101,%a1@ | put them at 0x0000 (for Xellent30)
movc %a1,%vbr | reset Vector Base Register
jmp %a0@ | reboot X680x0
Lebootcode:
/*
* Mis... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | 84717b5c0311acf99ccc154c3714194745354b43 | github | kernel | https://github.com/NetBSD/src/blob/84717b5c0311acf99ccc154c3714194745354b43/sys/arch/x68k/x68k/locore.s | 601 | 658 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:17 | GLOBAL(intrnames)
.asciz "spur"
.asciz "lev1"
.asciz "lev2"
.asciz "lev3"
.asciz "lev4"
.asciz "lev5"
.asciz "lev6"
.asciz "nmi"
.asciz "clock"
.asciz "com"
GLOBAL(eintrnames)
.even
GLOBAL(intrcnt)
.long 0,0,0,0,0,0,0,0,0,0
GLOBAL(eintrcnt) | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | 84717b5c0311acf99ccc154c3714194745354b43 | github | kernel | https://github.com/NetBSD/src/blob/84717b5c0311acf99ccc154c3714194745354b43/sys/arch/x68k/x68k/locore.s | 641 | 658 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:14 | jbsr _C_LABEL(nmihand) | call handler
movl %sp@(FR_SP),%a0 | restore
movl %a0,%usp | user SP
moveml %sp@+,#0x7FFF | and remaining registers
addql #8,%sp | pop SP and stack adjust
subql #1,_C_LABEL(intr_depth)
jra _ASM_LABEL(rei) | all done
/*
* floppy ejection trap
*/
ENTRY_NOPROFILE(fdeject)
jra _AS... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | a39353bf6b628008801a75f2010c6a02115acde7 | github | kernel | https://github.com/NetBSD/src/blob/a39353bf6b628008801a75f2010c6a02115acde7/sys/arch/x68k/x68k/locore.s | 521 | 580 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:15 | nop | sync
movl %a1@+,%d0 | get lword
movsl %d0,%a0@+ | put lword
nop | sync
moveq #0,%d0 | indicate no fault
jra Lsldone
Lslerr:
moveq #-1,%d0
Lsldone:
movl _C_LABEL(curpcb),%a1 | current pcb
clrl %a1@(PCB_ONFAULT) | clear fault address
rts
#endif
ENTRY(ecacheon)
rts
ENTRY(ecacheoff)
rts
/*
* ... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | a39353bf6b628008801a75f2010c6a02115acde7 | github | kernel | https://github.com/NetBSD/src/blob/a39353bf6b628008801a75f2010c6a02115acde7/sys/arch/x68k/x68k/locore.s | 561 | 620 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:16 | * Basically we just turn off the MMU and jump to the appropriate ROM routine.
* Note that we must be running in an address range that is mapped one-to-one
* logical to physical so that the PC is still valid immediately after the MMU
* is turned off. We have conveniently mapped the last page of physical
* memory th... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | a39353bf6b628008801a75f2010c6a02115acde7 | github | kernel | https://github.com/NetBSD/src/blob/a39353bf6b628008801a75f2010c6a02115acde7/sys/arch/x68k/x68k/locore.s | 601 | 660 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:17 | Lebootcode:
/*
* Misc. global variables.
*/
.data
GLOBAL(mmutype)
.long MMU_68030 | default to 030 internal MMU
GLOBAL(cputype)
.long CPU_68030 | default to 68030 CPU
#ifdef M68K_MMU_HP
GLOBAL(ectype)
.long EC_NONE | external cache type, default to none
#endif
GLOBAL(intiobase)
.long 0 | KVA of base of... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | a39353bf6b628008801a75f2010c6a02115acde7 | github | kernel | https://github.com/NetBSD/src/blob/a39353bf6b628008801a75f2010c6a02115acde7/sys/arch/x68k/x68k/locore.s | 641 | 687 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:8 | cmpl #CPU_68060,%a0@ | 68060?
jne Lnot060cache
movl #1,%d0
.long 0x4e7b0808 | movcl %d0,%pcr
movl #0xa0808000,%d0
movc %d0,%cacr | enable store buffer, both caches
jmp Lenab1
Lnot060cache:
#endif
movl #CACHE40_ON,%d0
movc %d0,%cacr | turn on both caches
jmp Lenab1
Lmotommu2:
pflusha
movl #MMU51_TCR_BITS,... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | 541800023228d9af16f8d1e462891dcac04857ac | github | kernel | https://github.com/NetBSD/src/blob/541800023228d9af16f8d1e462891dcac04857ac/sys/arch/x68k/x68k/locore.s | 281 | 340 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:9 | Lenab2:
cmpl #MMU_68040,_C_LABEL(mmutype) | 68040?
jeq Ltbia040 | yes, cache already on
pflusha
tstl _C_LABEL(mmutype)
jpl Lenab3 | 68851 implies no d-cache
movl #CACHE_ON,%d0
movc %d0,%cacr | clear cache(s)
jra Lenab3
Ltbia040:
.word 0xf518 | pflusha
Lenab3:
/* final setup for C code */
movl %d7,%sp@- ... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | 541800023228d9af16f8d1e462891dcac04857ac | github | kernel | https://github.com/NetBSD/src/blob/541800023228d9af16f8d1e462891dcac04857ac/sys/arch/x68k/x68k/locore.s | 321 | 380 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:10 | cmpl #FPU_68040,_C_LABEL(fputype) | 68040 FPU?
jne Lfp_unimp | no, skip FPSP
cmpw #0x202c,%sp@(6) | format type 2?
jne _C_LABEL(illinst) | no, not an FP emulation
#ifdef FPSP
jmp _ASM_LABEL(fpsp_unimp) | yes, go handle it
#else
clrl %sp@- | stack adjust count
moveml #0xFFFF,%sp@- | save registers
moveq #T_F... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | 541800023228d9af16f8d1e462891dcac04857ac | github | kernel | https://github.com/NetBSD/src/blob/541800023228d9af16f8d1e462891dcac04857ac/sys/arch/x68k/x68k/locore.s | 361 | 420 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:11 | moveq #T_FPEMULD,%d0 | denote as FP emulation trap
jra _ASM_LABEL(fault) | do it
#else
jra _C_LABEL(illinst)
#endif
/*
* Handles all other FP coprocessor exceptions.
* Note that since some FP exceptions generate mid-instruction frames
* and may cause signal delivery, we need to test for stack adjustment
* after... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | 541800023228d9af16f8d1e462891dcac04857ac | github | kernel | https://github.com/NetBSD/src/blob/541800023228d9af16f8d1e462891dcac04857ac/sys/arch/x68k/x68k/locore.s | 401 | 460 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:14 | | Let DDB handle it
movl %a2,%sp@- | push frame ptr
movl %d2,%sp@- | push trap type
jbsr _C_LABEL(kdb_trap) | handle the trap
addql #8,%sp | pop args
#if 0 /* not needed on hp300 */
cmpl #0,%d0 | did ddb handle it?
jne Lbrkpt3 | yes, done
#endif
#endif
/* Sun 3 drops into PROM here. */
Lbrkpt3:
| The st... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | 541800023228d9af16f8d1e462891dcac04857ac | github | kernel | https://github.com/NetBSD/src/blob/541800023228d9af16f8d1e462891dcac04857ac/sys/arch/x68k/x68k/locore.s | 521 | 580 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:15 | ENTRY_NOPROFILE(intiotrap)
addql #1,_C_LABEL(intr_depth)
INTERRUPT_SAVEREG
pea %sp@(16-(FR_HW)) | XXX
jbsr _C_LABEL(intio_intr)
addql #4,%sp
CPUINFO_INCREMENT(CI_NINTR)
INTERRUPT_RESTOREREG
subql #1,_C_LABEL(intr_depth)
jra rei
ENTRY_NOPROFILE(lev1intr)
ENTRY_NOPROFILE(lev2intr)
ENTRY_NOPROFILE(lev3intr)
ENTR... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | 541800023228d9af16f8d1e462891dcac04857ac | github | kernel | https://github.com/NetBSD/src/blob/541800023228d9af16f8d1e462891dcac04857ac/sys/arch/x68k/x68k/locore.s | 561 | 620 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:16 | addql #4,%sp
CPUINFO_INCREMENT(CI_NINTR) | chalk up another interrupt
INTERRUPT_RESTOREREG | restore scratch registers
subql #1,_C_LABEL(intr_depth)
jra _ASM_LABEL(rei) | all done
ENTRY_NOPROFILE(lev7intr)
addql #1,_C_LABEL(intr_depth)
addql #1,_C_LABEL(intrcnt)+28
clrl %sp@-
moveml #0xFFFF,%sp@- | save reg... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | 541800023228d9af16f8d1e462891dcac04857ac | github | kernel | https://github.com/NetBSD/src/blob/541800023228d9af16f8d1e462891dcac04857ac/sys/arch/x68k/x68k/locore.s | 601 | 660 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:17 | ENTRY(suline)
movl %sp@(4),%a0 | address to write
movl _C_LABEL(curpcb),%a1 | current pcb
movl #Lslerr,%a1@(PCB_ONFAULT) | where to return to on a fault
movl %sp@(8),%a1 | address of line
movl %a1@+,%d0 | get lword
movsl %d0,%a0@+ | put lword
nop | sync
movl %a1@+,%d0 | get lword
movsl %d0,%a0@+ | put... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | 541800023228d9af16f8d1e462891dcac04857ac | github | kernel | https://github.com/NetBSD/src/blob/541800023228d9af16f8d1e462891dcac04857ac/sys/arch/x68k/x68k/locore.s | 641 | 700 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:18 | ENTRY_NOPROFILE(_delay)
| %d0 = (usecs * a certain magnification factor)
movl %sp@(4),%d0
lsll #8,%d0
| %d1 = delay_divisor
movl _C_LABEL(delay_divisor),%d1
L_delay:
subl %d1,%d0
jgt L_delay
rts
/*
* Handle the nitty-gritty of rebooting the machine.
* Basically we just turn off the MMU and jump to the approp... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | 541800023228d9af16f8d1e462891dcac04857ac | github | kernel | https://github.com/NetBSD/src/blob/541800023228d9af16f8d1e462891dcac04857ac/sys/arch/x68k/x68k/locore.s | 681 | 740 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:19 | movc %a1,%cacr | caches off
.long 0x4e7b9003 | movc a1(=0),tc ; disable MMU
jra Ldoreboot1
LmotommuF:
#endif
clrl %sp@
pmove %sp@,%tc | disable MMU
Ldoreboot1:
moveml 0x00ff0000,#0x0101 | get RESET vectors in ROM
| (d0: ssp, a0: pc)
moveml #0x0101,%a1@ | put them at 0x0000 (for Xellent30)
movc %a1,%vbr ... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | 541800023228d9af16f8d1e462891dcac04857ac | github | kernel | https://github.com/NetBSD/src/blob/541800023228d9af16f8d1e462891dcac04857ac/sys/arch/x68k/x68k/locore.s | 721 | 780 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:20 | ASGLOBAL(fullcflush)
.long 0
#endif
/* interrupt counters */
GLOBAL(intrnames)
.asciz "spur"
.asciz "lev1"
.asciz "lev2"
.asciz "lev3"
.asciz "lev4"
.asciz "lev5"
.asciz "lev6"
.asciz "nmi"
.asciz "clock"
.asciz "com"
GLOBAL(eintrnames)
.even
GLOBAL(intrcnt)
.long 0,0,0,0,0,0,0,0,0,0
GLOBAL(eintrcnt) | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | 541800023228d9af16f8d1e462891dcac04857ac | github | kernel | https://github.com/NetBSD/src/blob/541800023228d9af16f8d1e462891dcac04857ac/sys/arch/x68k/x68k/locore.s | 761 | 783 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:5 | bset #31,%d0 | data cache enable bit
movc %d0,%cacr | only exists on 68040/68060
movc %cacr,%d0 | read it back
tstl %d0 | zero?
jeq Lis68020 | yes, we have 68020
moveq #0,%d0 | now turn it back off
movec %d0,%cacr | before we access any data
.word 0xf4d8 | cinva bc - invalidate caches XXX
bset #... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | e4d072bbebc4aede06e5d2f12fe49a506e655806 | github | kernel | https://github.com/NetBSD/src/blob/e4d072bbebc4aede06e5d2f12fe49a506e655806/sys/arch/x68k/x68k/locore.s | 161 | 220 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:6 | #if defined(M68060)
cmpl #CPU_68060,%a0@ | 68060?
jne 1f
movl #_C_LABEL(buserr60),%a2@(8)
movl #_C_LABEL(addrerr4060),%a2@(12)
jra Lstart2
1:
#endif
#if defined(M68040)
cmpl #CPU_68040,%a0@ | 68040?
jne 1f
movl #_C_LABEL(buserr40),%a2@(8)
movl #_C_LABEL(addrerr4060),%a2@(12)
jra Lstart2
1:
#endif
#if define... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | e4d072bbebc4aede06e5d2f12fe49a506e655806 | github | kernel | https://github.com/NetBSD/src/blob/e4d072bbebc4aede06e5d2f12fe49a506e655806/sys/arch/x68k/x68k/locore.s | 201 | 260 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:7 | #endif
movl #_C_LABEL(end),%a4 | end of static kernel text/data
Lstart3:
RELOC(setmemrange,%a0) | call setmemrange()
jbsr %a0@ | to probe all memory regions
addl %a5,%a4 | convert to PA
pea %a5@ | reloff
pea %a4@ | nextpa
RELOC(pmap_bootstrap1,%a0)
jbsr %a0@ | pmap_bootstrap1(firstpa, nextpa)
addql... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | e4d072bbebc4aede06e5d2f12fe49a506e655806 | github | kernel | https://github.com/NetBSD/src/blob/e4d072bbebc4aede06e5d2f12fe49a506e655806/sys/arch/x68k/x68k/locore.s | 241 | 300 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:8 | #include "opt_jupiter.h"
#ifdef JUPITER
/* JUPITER-X: set system register "SUPER" bit */
movl #0x0200a240,%d0 | translate DRAM area transparently
.long 0x4e7b0006 | movc d0,dtt0
lea 0x00c00000,%a0 | %a0: graphic VRAM
lea 0x02c00000,%a1 | %a1: graphic VRAM ( not JUPITER-X )
| DRAM ( JUPITER-X )
movw ... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | e4d072bbebc4aede06e5d2f12fe49a506e655806 | github | kernel | https://github.com/NetBSD/src/blob/e4d072bbebc4aede06e5d2f12fe49a506e655806/sys/arch/x68k/x68k/locore.s | 281 | 340 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:9 | movl #CACHE40_ON,%d0
movc %d0,%cacr | turn on both caches
jmp Lenab1
Lmotommu2:
pflusha
movl #MMU51_TCR_BITS,%sp@- | value to load TC with
pmove %sp@,%tc | load it
/*
* Should be running mapped from this point on
*/
Lenab1:
/* set vector base in virtual address */
movl #_C_LABEL(vectab),%d0 | set Vector Base... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | e4d072bbebc4aede06e5d2f12fe49a506e655806 | github | kernel | https://github.com/NetBSD/src/blob/e4d072bbebc4aede06e5d2f12fe49a506e655806/sys/arch/x68k/x68k/locore.s | 321 | 380 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:10 | movc %d0,%cacr | clear cache(s)
jra Lenab3
Ltbia040:
.word 0xf518 | pflusha
Lenab3:
/* final setup for C code */
movl %d7,%sp@- | push nextpa saved above
jbsr _C_LABEL(x68k_init) | additional pre-main initialization
addql #4,%sp
/*
* Create a fake exception frame so that cpu_lwp_fork() can copy it.
* main()... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | e4d072bbebc4aede06e5d2f12fe49a506e655806 | github | kernel | https://github.com/NetBSD/src/blob/e4d072bbebc4aede06e5d2f12fe49a506e655806/sys/arch/x68k/x68k/locore.s | 361 | 420 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:11 | clrl %sp@- | stack adjust count
moveml #0xFFFF,%sp@- | save registers
moveq #T_FPEMULI,%d0 | denote as FP emulation trap
jra _ASM_LABEL(fault) | do it
#endif
Lfp_unimp:
#endif /* M68040 */
#ifdef FPU_EMULATE
clrl %sp@- | stack adjust count
moveml #0xFFFF,%sp@- | save registers
moveq #T_FPEMULD,%d0 | denot... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | e4d072bbebc4aede06e5d2f12fe49a506e655806 | github | kernel | https://github.com/NetBSD/src/blob/e4d072bbebc4aede06e5d2f12fe49a506e655806/sys/arch/x68k/x68k/locore.s | 401 | 460 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:12 | * Handles all other FP coprocessor exceptions.
* Note that since some FP exceptions generate mid-instruction frames
* and may cause signal delivery, we need to test for stack adjustment
* after the trap call.
*/
ENTRY_NOPROFILE(fpfault)
clrl %sp@- | stack adjust count
moveml #0xFFFF,%sp@- | save user registers... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | e4d072bbebc4aede06e5d2f12fe49a506e655806 | github | kernel | https://github.com/NetBSD/src/blob/e4d072bbebc4aede06e5d2f12fe49a506e655806/sys/arch/x68k/x68k/locore.s | 441 | 500 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:13 | clrl %sp@- | stack adjust count
moveml #0xFFFF,%sp@-
moveq #T_TRACE,%d0
| Check PSW and see what happen.
| T=0 S=0 (should not happen)
| T=1 S=0 trace trap from user mode
| T=0 S=1 trace trap on a trap instruction
| T=1 S=1 trace trap from system mode (kernel breakpoint)
movw %sp@(FR_HW),%d1 | get ... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | e4d072bbebc4aede06e5d2f12fe49a506e655806 | github | kernel | https://github.com/NetBSD/src/blob/e4d072bbebc4aede06e5d2f12fe49a506e655806/sys/arch/x68k/x68k/locore.s | 481 | 540 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:14 | movl %a6,%d1
cmpl #_ASM_LABEL(tmpstk),%d1
jls Lbrkpt2 | already on tmpstk
| Copy frame to the temporary stack
movl %sp,%a0 | %a0=src
lea _ASM_LABEL(tmpstk)-96,%a1 | %a1=dst
movl %a1,%sp | %sp=new frame
moveq #FR_SIZE,%d1
Lbrkpt1:
movl %a0@+,%a1@+
subql #4,%d1
jgt Lbrkpt1
Lbrkpt2:
| Call the trap handl... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | e4d072bbebc4aede06e5d2f12fe49a506e655806 | github | kernel | https://github.com/NetBSD/src/blob/e4d072bbebc4aede06e5d2f12fe49a506e655806/sys/arch/x68k/x68k/locore.s | 521 | 580 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:15 | jne Lbrkpt3 | yes, done
#endif
#endif
/* Sun 3 drops into PROM here. */
Lbrkpt3:
| The stack pointer may have been modified, or
| data below it modified (by kgdb push call),
| so push the hardware frame at the current sp
| before restoring registers and returning.
movl %sp@(FR_SP),%a0 | modified %sp
lea %sp@... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | e4d072bbebc4aede06e5d2f12fe49a506e655806 | github | kernel | https://github.com/NetBSD/src/blob/e4d072bbebc4aede06e5d2f12fe49a506e655806/sys/arch/x68k/x68k/locore.s | 561 | 620 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:16 | CPUINFO_INCREMENT(CI_NINTR)
INTERRUPT_RESTOREREG
subql #1,_C_LABEL(intr_depth)
jra rei
ENTRY_NOPROFILE(lev1intr)
ENTRY_NOPROFILE(lev2intr)
ENTRY_NOPROFILE(lev3intr)
ENTRY_NOPROFILE(lev4intr)
ENTRY_NOPROFILE(lev5intr)
ENTRY_NOPROFILE(lev6intr)
addql #1,_C_LABEL(intr_depth)
INTERRUPT_SAVEREG
Lnotdma:
lea _C_LABEL(... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | e4d072bbebc4aede06e5d2f12fe49a506e655806 | github | kernel | https://github.com/NetBSD/src/blob/e4d072bbebc4aede06e5d2f12fe49a506e655806/sys/arch/x68k/x68k/locore.s | 601 | 660 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:17 | addql #1,_C_LABEL(intr_depth)
addql #1,_C_LABEL(intrcnt)+28
clrl %sp@-
moveml #0xFFFF,%sp@- | save registers
movl %usp,%a0 | and save
movl %a0,%sp@(FR_SP) | the user stack pointer
jbsr _C_LABEL(nmihand) | call handler
movl %sp@(FR_SP),%a0 | restore
movl %a0,%usp | user SP
moveml %sp@+,#0x7FFF | and r... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | e4d072bbebc4aede06e5d2f12fe49a506e655806 | github | kernel | https://github.com/NetBSD/src/blob/e4d072bbebc4aede06e5d2f12fe49a506e655806/sys/arch/x68k/x68k/locore.s | 641 | 700 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:18 | nop | sync
movl %a1@+,%d0 | get lword
movsl %d0,%a0@+ | put lword
nop | sync
movl %a1@+,%d0 | get lword
movsl %d0,%a0@+ | put lword
nop | sync
movl %a1@+,%d0 | get lword
movsl %d0,%a0@+ | put lword
nop | sync
moveq #0,%d0 | indicate no fault
jra Lsldone
Lslerr:
moveq #-1,%d0
Lsldone:
mo... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | e4d072bbebc4aede06e5d2f12fe49a506e655806 | github | kernel | https://github.com/NetBSD/src/blob/e4d072bbebc4aede06e5d2f12fe49a506e655806/sys/arch/x68k/x68k/locore.s | 681 | 740 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:19 | subl %d1,%d0
jgt L_delay
rts
/*
* Handle the nitty-gritty of rebooting the machine.
* Basically we just turn off the MMU and jump to the appropriate ROM routine.
* Note that we must be running in an address range that is mapped one-to-one
* logical to physical so that the PC is still valid immediately after the ... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | e4d072bbebc4aede06e5d2f12fe49a506e655806 | github | kernel | https://github.com/NetBSD/src/blob/e4d072bbebc4aede06e5d2f12fe49a506e655806/sys/arch/x68k/x68k/locore.s | 721 | 780 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:20 | Ldoreboot1:
moveml 0x00ff0000,#0x0101 | get RESET vectors in ROM
| (d0: ssp, a0: pc)
moveml #0x0101,%a1@ | put them at 0x0000 (for Xellent30)
movc %a1,%vbr | reset Vector Base Register
jmp %a0@ | reboot X680x0
Lebootcode:
/*
* Misc. global variables.
*/
.data
GLOBAL(mmutype)
.long MMU_68030 | default... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | e4d072bbebc4aede06e5d2f12fe49a506e655806 | github | kernel | https://github.com/NetBSD/src/blob/e4d072bbebc4aede06e5d2f12fe49a506e655806/sys/arch/x68k/x68k/locore.s | 761 | 816 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:21 | .asciz "spur"
.asciz "lev1"
.asciz "lev2"
.asciz "lev3"
.asciz "lev4"
.asciz "lev5"
.asciz "lev6"
.asciz "nmi"
.asciz "clock"
.asciz "com"
GLOBAL(eintrnames)
.even
GLOBAL(intrcnt)
.long 0,0,0,0,0,0,0,0,0,0
GLOBAL(eintrcnt) | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | e4d072bbebc4aede06e5d2f12fe49a506e655806 | github | kernel | https://github.com/NetBSD/src/blob/e4d072bbebc4aede06e5d2f12fe49a506e655806/sys/arch/x68k/x68k/locore.s | 801 | 816 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:12 | * Handles all other FP coprocessor exceptions.
* Note that since some FP exceptions generate mid-instruction frames
* and may cause signal delivery, we need to test for stack adjustment
* after the trap call.
*/
ENTRY_NOPROFILE(fpfault)
clrl %sp@- | stack adjust count
moveml #0xFFFF,%sp@- | save user registers... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | d7b3090516af177c5278a3cb2afae3e973c80bbe | github | kernel | https://github.com/NetBSD/src/blob/d7b3090516af177c5278a3cb2afae3e973c80bbe/sys/arch/x68k/x68k/locore.s | 441 | 500 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:13 | ENTRY_NOPROFILE(trap12)
movl _C_LABEL(curlwp),%a0
movl %a0@(L_PROC),%sp@- | push current proc pointer
movl %d1,%sp@- | push length
movl %a1,%sp@- | push addr
movl %d0,%sp@- | push command
jbsr _C_LABEL(cachectl1) | do it
lea %sp@(16),%sp | pop args
jra _ASM_LABEL(rei) | all done
/*
* Trace (single-step) ... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | d7b3090516af177c5278a3cb2afae3e973c80bbe | github | kernel | https://github.com/NetBSD/src/blob/d7b3090516af177c5278a3cb2afae3e973c80bbe/sys/arch/x68k/x68k/locore.s | 481 | 540 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:17 | jra _ASM_LABEL(rei)
ENTRY_NOPROFILE(timertrap)
addql #1,_C_LABEL(intr_depth)
INTERRUPT_SAVEREG | save scratch registers
addql #1,_C_LABEL(intrcnt)+32 | count hardclock interrupts
movl %sp,%sp@- | push pointer to clockframe
jbsr _C_LABEL(hardclock) | hardclock(&frame)
addql #4,%sp
CPUINFO_INCREMENT(CI_NINTR) |... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | d7b3090516af177c5278a3cb2afae3e973c80bbe | github | kernel | https://github.com/NetBSD/src/blob/d7b3090516af177c5278a3cb2afae3e973c80bbe/sys/arch/x68k/x68k/locore.s | 641 | 700 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:18 | /*
* Use common m68k process/lwp switch and context save subroutines.
*/
#define FPCOPROC /* XXX: Temp. reqd. */
#include <m68k/m68k/switch_subr.s>
#if defined(M68040) || defined(M68060)
ENTRY(suline)
movl %sp@(4),%a0 | address to write
movl _C_LABEL(curpcb),%a1 | current pcb
movl #Lslerr,%a1@(PCB_ONFAULT) | wh... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | d7b3090516af177c5278a3cb2afae3e973c80bbe | github | kernel | https://github.com/NetBSD/src/blob/d7b3090516af177c5278a3cb2afae3e973c80bbe/sys/arch/x68k/x68k/locore.s | 681 | 740 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:19 | /*
* _delay(u_int N)
*
* Delay for at least N microseconds.
* This routine depends on the variable: delay_divisor
* which should be set based on the CPU clock rate.
*/
ENTRY_NOPROFILE(_delay)
| %d0 = (usecs * a certain magnification factor)
movl %sp@(4),%d0
lsll #8,%d0
| %d1 = delay_divisor
movl _C_LABEL(de... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | d7b3090516af177c5278a3cb2afae3e973c80bbe | github | kernel | https://github.com/NetBSD/src/blob/d7b3090516af177c5278a3cb2afae3e973c80bbe/sys/arch/x68k/x68k/locore.s | 721 | 780 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:20 | #endif
movc %d0,%cacr | disable on-chip cache(s)
| ok, turn off MMU..
Ldoreboot:
#if defined(M68040) || defined(M68060)
tstl %d2 | 68040?
jne LmotommuF | no, skip
movc %a1,%cacr | caches off
.long 0x4e7b9003 | movc a1(=0),tc ; disable MMU
jra Ldoreboot1
LmotommuF:
#endif
clrl %sp@
pmove %sp@,%tc | disa... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | d7b3090516af177c5278a3cb2afae3e973c80bbe | github | kernel | https://github.com/NetBSD/src/blob/d7b3090516af177c5278a3cb2afae3e973c80bbe/sys/arch/x68k/x68k/locore.s | 761 | 820 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:21 | GLOBAL(intiobase)
.long 0 | KVA of base of internal IO space
#ifdef DEBUG
ASGLOBAL(fulltflush)
.long 0
ASGLOBAL(fullcflush)
.long 0
#endif
/* interrupt counters */
GLOBAL(intrnames)
.asciz "spur"
.asciz "lev1"
.asciz "lev2"
.asciz "lev3"
.asciz "lev4"
.asciz "lev5"
.asciz "lev6"
.asciz "nmi"
.asciz "c... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | d7b3090516af177c5278a3cb2afae3e973c80bbe | github | kernel | https://github.com/NetBSD/src/blob/d7b3090516af177c5278a3cb2afae3e973c80bbe/sys/arch/x68k/x68k/locore.s | 801 | 831 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:12 | * Handles all other FP coprocessor exceptions.
* Note that since some FP exceptions generate mid-instruction frames
* and may cause signal delivery, we need to test for stack adjustment
* after the trap call.
*/
ENTRY_NOPROFILE(fpfault)
clrl %sp@- | stack adjust count
moveml #0xFFFF,%sp@- | save user registers... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | 4c465e6270cbb133d0b73973b89f8d3ed0d19c25 | github | kernel | https://github.com/NetBSD/src/blob/4c465e6270cbb133d0b73973b89f8d3ed0d19c25/sys/arch/x68k/x68k/locore.s | 441 | 500 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:13 | movl %d0,%sp@- | push syscall number
jbsr _C_LABEL(syscall) | handle it
addql #4,%sp | pop syscall arg
tstl _C_LABEL(astpending) | AST pending?
jne _ASM_LABEL(doast) | Yup, go deal with it.
movl %sp@(FR_SP),%a0 | grab and restore
movl %a0,%usp | user SP
moveml %sp@+,#0x7FFF | restore most registers
addq... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | 4c465e6270cbb133d0b73973b89f8d3ed0d19c25 | github | kernel | https://github.com/NetBSD/src/blob/4c465e6270cbb133d0b73973b89f8d3ed0d19c25/sys/arch/x68k/x68k/locore.s | 481 | 540 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:15 | movl %a0@+,%a1@+
subql #4,%d1
jgt Lbrkpt1
Lbrkpt2:
| Call the trap handler for the kernel debugger.
| Do not call trap() to do it, so that we can
| set breakpoints in trap() if we want. We know
| the trap type is either T_TRACE or T_BREAKPOINT.
| If we have both DDB and KGDB, let KGDB see it first,
| because ... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | 4c465e6270cbb133d0b73973b89f8d3ed0d19c25 | github | kernel | https://github.com/NetBSD/src/blob/4c465e6270cbb133d0b73973b89f8d3ed0d19c25/sys/arch/x68k/x68k/locore.s | 561 | 620 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:16 | movl %sp@(FR_SP),%a0 | modified %sp
lea %sp@(FR_SIZE),%a1 | end of our frame
movl %a1@-,%a0@- | copy 2 longs with
movl %a1@-,%a0@- | ... predecrement
movl %a0,%sp@(FR_SP) | %sp = h/w frame
moveml %sp@+,#0x7FFF | restore all but %sp
movl %sp@,%sp | ... and %sp
rte | all done
/*
* Provide a generic inte... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | 4c465e6270cbb133d0b73973b89f8d3ed0d19c25 | github | kernel | https://github.com/NetBSD/src/blob/4c465e6270cbb133d0b73973b89f8d3ed0d19c25/sys/arch/x68k/x68k/locore.s | 601 | 660 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:17 | ENTRY_NOPROFILE(lev5intr)
ENTRY_NOPROFILE(lev6intr)
addql #1,_C_LABEL(intr_depth)
INTERRUPT_SAVEREG
Lnotdma:
lea _C_LABEL(intrcnt),%a0
movw %sp@(22),%d0 | use vector offset
andw #0xfff,%d0 | sans frame type
addql #1,%a0@(-0x60,%d0:w) | to increment apropos counter
movw %sr,%sp@- | push current SR value
... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | 4c465e6270cbb133d0b73973b89f8d3ed0d19c25 | github | kernel | https://github.com/NetBSD/src/blob/4c465e6270cbb133d0b73973b89f8d3ed0d19c25/sys/arch/x68k/x68k/locore.s | 641 | 700 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:18 | moveml %sp@+,#0x7FFF | and remaining registers
addql #8,%sp | pop SP and stack adjust
subql #1,_C_LABEL(intr_depth)
jra _ASM_LABEL(rei) | all done
/*
* floppy ejection trap
*/
ENTRY_NOPROFILE(fdeject)
jra _ASM_LABEL(rei)
/*
* Primitives
*/
/*
* Use common m68k process/lwp switch and context save subrou... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | 4c465e6270cbb133d0b73973b89f8d3ed0d19c25 | github | kernel | https://github.com/NetBSD/src/blob/4c465e6270cbb133d0b73973b89f8d3ed0d19c25/sys/arch/x68k/x68k/locore.s | 681 | 740 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:19 | nop | sync
moveq #0,%d0 | indicate no fault
jra Lsldone
Lslerr:
moveq #-1,%d0
Lsldone:
movl _C_LABEL(curpcb),%a1 | current pcb
clrl %a1@(PCB_ONFAULT) | clear fault address
rts
#endif
ENTRY(ecacheon)
rts
ENTRY(ecacheoff)
rts
/*
* _delay(u_int N)
*
* Delay for at least N microseconds.
* This routine d... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | 4c465e6270cbb133d0b73973b89f8d3ed0d19c25 | github | kernel | https://github.com/NetBSD/src/blob/4c465e6270cbb133d0b73973b89f8d3ed0d19c25/sys/arch/x68k/x68k/locore.s | 721 | 780 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:20 | * is turned off. We have conveniently mapped the last page of physical
* memory this way.
*/
ENTRY_NOPROFILE(doboot)
movw #PSL_HIGHIPL,%sr | cut off any interrupts
subal %a1,%a1 | a1 = 0
movl #CACHE_OFF,%d0
#if defined(M68040) || defined(M68060)
movl _C_LABEL(mmutype),%d2 | d2 = mmutype
addl #(-1 * MMU_68040... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | 4c465e6270cbb133d0b73973b89f8d3ed0d19c25 | github | kernel | https://github.com/NetBSD/src/blob/4c465e6270cbb133d0b73973b89f8d3ed0d19c25/sys/arch/x68k/x68k/locore.s | 761 | 820 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:21 | * Misc. global variables.
*/
.data
GLOBAL(mmutype)
.long MMU_68030 | default to 030 internal MMU
GLOBAL(cputype)
.long CPU_68030 | default to 68030 CPU
#ifdef M68K_MMU_HP
GLOBAL(ectype)
.long EC_NONE | external cache type, default to none
#endif
GLOBAL(fputype)
.long FPU_NONE
GLOBAL(intiobase)
.long 0 ... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | 4c465e6270cbb133d0b73973b89f8d3ed0d19c25 | github | kernel | https://github.com/NetBSD/src/blob/4c465e6270cbb133d0b73973b89f8d3ed0d19c25/sys/arch/x68k/x68k/locore.s | 801 | 847 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:12 | * Handles all other FP coprocessor exceptions.
* Note that since some FP exceptions generate mid-instruction frames
* and may cause signal delivery, we need to test for stack adjustment
* after the trap call.
*/
ENTRY_NOPROFILE(fpfault)
clrl %sp@- | stack adjust count
moveml #0xFFFF,%sp@- | save user registers... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | fd89440ac6bfc9214810e1056f80b69c2878b7ba | github | kernel | https://github.com/NetBSD/src/blob/fd89440ac6bfc9214810e1056f80b69c2878b7ba/sys/arch/x68k/x68k/locore.s | 441 | 500 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:13 | jbsr _C_LABEL(straytrap) | report
addql #8,%sp | pop args
moveml %sp@+,#0x0303 | restore regs
jra _ASM_LABEL(rei) | all done
ENTRY_NOPROFILE(trap0)
clrl %sp@- | stack adjust count
moveml #0xFFFF,%sp@- | save user registers
movl %usp,%a0 | save the user SP
movl %a0,%sp@(FR_SP) | in the savearea
movl ... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | fd89440ac6bfc9214810e1056f80b69c2878b7ba | github | kernel | https://github.com/NetBSD/src/blob/fd89440ac6bfc9214810e1056f80b69c2878b7ba/sys/arch/x68k/x68k/locore.s | 481 | 540 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:14 | ENTRY_NOPROFILE(trace)
clrl %sp@- | stack adjust count
moveml #0xFFFF,%sp@-
moveq #T_TRACE,%d0
| Check PSW and see what happen.
| T=0 S=0 (should not happen)
| T=1 S=0 trace trap from user mode
| T=0 S=1 trace trap on a trap instruction
| T=1 S=1 trace trap from system mode (kernel breakpoint)
movw... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | fd89440ac6bfc9214810e1056f80b69c2878b7ba | github | kernel | https://github.com/NetBSD/src/blob/fd89440ac6bfc9214810e1056f80b69c2878b7ba/sys/arch/x68k/x68k/locore.s | 521 | 580 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:15 | | (so debugger can change the stack pointer)
movl %a6,%d1
cmpl #_ASM_LABEL(tmpstk),%d1
jls Lbrkpt2 | already on tmpstk
| Copy frame to the temporary stack
movl %sp,%a0 | %a0=src
lea _ASM_LABEL(tmpstk)-96,%a1 | %a1=dst
movl %a1,%sp | %sp=new frame
moveq #FR_SIZE,%d1
Lbrkpt1:
movl %a0@+,%a1@+
subql #4,%d1... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | fd89440ac6bfc9214810e1056f80b69c2878b7ba | github | kernel | https://github.com/NetBSD/src/blob/fd89440ac6bfc9214810e1056f80b69c2878b7ba/sys/arch/x68k/x68k/locore.s | 561 | 620 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:16 | cmpl #0,%d0 | did ddb handle it?
jne Lbrkpt3 | yes, done
#endif
#endif
/* Sun 3 drops into PROM here. */
Lbrkpt3:
| The stack pointer may have been modified, or
| data below it modified (by kgdb push call),
| so push the hardware frame at the current sp
| before restoring registers and returning.
movl %sp@(... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | fd89440ac6bfc9214810e1056f80b69c2878b7ba | github | kernel | https://github.com/NetBSD/src/blob/fd89440ac6bfc9214810e1056f80b69c2878b7ba/sys/arch/x68k/x68k/locore.s | 601 | 660 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:17 | addql #4,%sp
CPUINFO_INCREMENT(CI_NINTR)
INTERRUPT_RESTOREREG
subql #1,_C_LABEL(intr_depth)
jra rei
ENTRY_NOPROFILE(lev1intr)
ENTRY_NOPROFILE(lev2intr)
ENTRY_NOPROFILE(lev3intr)
ENTRY_NOPROFILE(lev4intr)
ENTRY_NOPROFILE(lev5intr)
ENTRY_NOPROFILE(lev6intr)
addql #1,_C_LABEL(intr_depth)
INTERRUPT_SAVEREG
Lnotdma:
... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | fd89440ac6bfc9214810e1056f80b69c2878b7ba | github | kernel | https://github.com/NetBSD/src/blob/fd89440ac6bfc9214810e1056f80b69c2878b7ba/sys/arch/x68k/x68k/locore.s | 641 | 700 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:18 | ENTRY_NOPROFILE(lev7intr)
addql #1,_C_LABEL(intr_depth)
addql #1,_C_LABEL(intrcnt)+28
clrl %sp@-
moveml #0xFFFF,%sp@- | save registers
movl %usp,%a0 | and save
movl %a0,%sp@(FR_SP) | the user stack pointer
jbsr _C_LABEL(nmihand) | call handler
movl %sp@(FR_SP),%a0 | restore
movl %a0,%usp | user SP
mo... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | fd89440ac6bfc9214810e1056f80b69c2878b7ba | github | kernel | https://github.com/NetBSD/src/blob/fd89440ac6bfc9214810e1056f80b69c2878b7ba/sys/arch/x68k/x68k/locore.s | 681 | 740 |
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