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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:13 | movl %sp@(22),%sp@- | and PC
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_... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | 0451fe21aef9a5d06d7f27a351c5083b4dabd914 | github | kernel | https://github.com/NetBSD/src/blob/0451fe21aef9a5d06d7f27a351c5083b4dabd914/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)
m... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | 0451fe21aef9a5d06d7f27a351c5083b4dabd914 | github | kernel | https://github.com/NetBSD/src/blob/0451fe21aef9a5d06d7f27a351c5083b4dabd914/sys/arch/x68k/x68k/locore.s | 521 | 580 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:15 | | If were are not on tmpstk switch to it.
| (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,%... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | 0451fe21aef9a5d06d7f27a351c5083b4dabd914 | github | kernel | https://github.com/NetBSD/src/blob/0451fe21aef9a5d06d7f27a351c5083b4dabd914/sys/arch/x68k/x68k/locore.s | 561 | 620 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:16 | #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 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 regi... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | 0451fe21aef9a5d06d7f27a351c5083b4dabd914 | github | kernel | https://github.com/NetBSD/src/blob/0451fe21aef9a5d06d7f27a351c5083b4dabd914/sys/arch/x68k/x68k/locore.s | 601 | 660 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:17 | 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)
ENTRY_NOPROFILE(lev4intr)
ENTRY_NOPROFILE(lev5intr)
ENTRY_NOPROFILE(lev6intr)
addql #1,_C_LABEL(intr_depth)
... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | 0451fe21aef9a5d06d7f27a351c5083b4dabd914 | github | kernel | https://github.com/NetBSD/src/blob/0451fe21aef9a5d06d7f27a351c5083b4dabd914/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 | 0451fe21aef9a5d06d7f27a351c5083b4dabd914 | github | kernel | https://github.com/NetBSD/src/blob/0451fe21aef9a5d06d7f27a351c5083b4dabd914/sys/arch/x68k/x68k/locore.s | 681 | 740 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:19 | rte
1:
btst #5,%sp@ | yes, are we returning to user mode?
beq 2f | no, done
rte
2:
movw #PSL_LOWIPL,%sr | lower SPL
clrl %sp@- | stack adjust
moveml #0xFFFF,%sp@- | save all registers
movl %usp,%a1 | including
movl %a1,%sp@(FR_SP) | the users SP
Lrei:
clrl %sp@- | VA == none
clrl %sp@- | code... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | 0451fe21aef9a5d06d7f27a351c5083b4dabd914 | github | kernel | https://github.com/NetBSD/src/blob/0451fe21aef9a5d06d7f27a351c5083b4dabd914/sys/arch/x68k/x68k/locore.s | 721 | 780 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:20 | /*
* 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 | 0451fe21aef9a5d06d7f27a351c5083b4dabd914 | github | kernel | https://github.com/NetBSD/src/blob/0451fe21aef9a5d06d7f27a351c5083b4dabd914/sys/arch/x68k/x68k/locore.s | 761 | 820 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:21 | rts
/*
* _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_LAB... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | 0451fe21aef9a5d06d7f27a351c5083b4dabd914 | github | kernel | https://github.com/NetBSD/src/blob/0451fe21aef9a5d06d7f27a351c5083b4dabd914/sys/arch/x68k/x68k/locore.s | 801 | 860 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:22 | 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 off
.long 0x4e7b9003 | movc a1(=0),tc ; disable MMU
jra Ldoreboot1
LmotommuF:
#endif
clrl %sp@
pmove %sp@,%... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | 0451fe21aef9a5d06d7f27a351c5083b4dabd914 | github | kernel | https://github.com/NetBSD/src/blob/0451fe21aef9a5d06d7f27a351c5083b4dabd914/sys/arch/x68k/x68k/locore.s | 841 | 900 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:23 | .long FPU_NONE
GLOBAL(intiobase)
.long 0 | KVA of base of internal IO space
GLOBAL(intiolimit)
.long 0 | KVA of end 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"
.a... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | 0451fe21aef9a5d06d7f27a351c5083b4dabd914 | github | kernel | https://github.com/NetBSD/src/blob/0451fe21aef9a5d06d7f27a351c5083b4dabd914/sys/arch/x68k/x68k/locore.s | 881 | 915 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:8 | movw %a0@,%d0
movw %d0,%d1
notw %d1
movw %d1,%a1@
movw %d0,%a0@
cmpw %a1@,%d1 | JUPITER-X?
jne Ljupiterdone | no, skip
movl #0x0100a240,%d0 | to access system register
.long 0x4e7b0006 | movc %d0,%dtt0
movb #0x01,0x01800003 | set "SUPER" bit
Ljupiterdone:
#endif /* JUPITER */
moveq #0,%d0 | ensure TT re... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | 441bbe544caaeb44e9588a47a909f6bfdb306a61 | github | kernel | https://github.com/NetBSD/src/blob/441bbe544caaeb44e9588a47a909f6bfdb306a61/sys/arch/x68k/x68k/locore.s | 281 | 340 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:9 | /*
* Should be running mapped from this point on
*/
Lenab1:
/* set vector base in virtual address */
movl #_C_LABEL(vectab),%d0 | set Vector Base Register
movc %d0,%vbr
lea _ASM_LABEL(tmpstk),%sp | temporary stack
/* call final pmap setup */
jbsr _C_LABEL(pmap_bootstrap2)
/* set kernel stack, user SP */
movl _C_... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | 441bbe544caaeb44e9588a47a909f6bfdb306a61 | github | kernel | https://github.com/NetBSD/src/blob/441bbe544caaeb44e9588a47a909f6bfdb306a61/sys/arch/x68k/x68k/locore.s | 321 | 380 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:10 | jbsr _C_LABEL(x68k_init) | additional pre-main initialization
/*
* 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 %sp@- | vector offset/frame type
clrl %sp@- | PC - filled in by "execve"
movw #PSL_USER... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | 441bbe544caaeb44e9588a47a909f6bfdb306a61 | github | kernel | https://github.com/NetBSD/src/blob/441bbe544caaeb44e9588a47a909f6bfdb306a61/sys/arch/x68k/x68k/locore.s | 361 | 420 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:11 | jmp _ASM_LABEL(fpsp_unimp) | yes, go handle it
#else
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,... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | 441bbe544caaeb44e9588a47a909f6bfdb306a61 | github | kernel | https://github.com/NetBSD/src/blob/441bbe544caaeb44e9588a47a909f6bfdb306a61/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 regis... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | 441bbe544caaeb44e9588a47a909f6bfdb306a61 | github | kernel | https://github.com/NetBSD/src/blob/441bbe544caaeb44e9588a47a909f6bfdb306a61/sys/arch/x68k/x68k/locore.s | 441 | 500 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:13 | clrw %sp@-
movl %sp@(22),%sp@- | and PC
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 ... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | 441bbe544caaeb44e9588a47a909f6bfdb306a61 | github | kernel | https://github.com/NetBSD/src/blob/441bbe544caaeb44e9588a47a909f6bfdb306a61/sys/arch/x68k/x68k/locore.s | 481 | 540 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:16 | 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 stack pointer may have been modified, or
| data below it modified (by kgdb push call),
| so push the hardware frame at the current s... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | 441bbe544caaeb44e9588a47a909f6bfdb306a61 | github | kernel | https://github.com/NetBSD/src/blob/441bbe544caaeb44e9588a47a909f6bfdb306a61/sys/arch/x68k/x68k/locore.s | 601 | 660 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:17 | 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)
ENTRY_NOPROFILE(lev4intr)
ENTRY_NOPROFILE(lev5intr)
ENTRY_NOPROFILE(lev6intr)
add... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | 441bbe544caaeb44e9588a47a909f6bfdb306a61 | github | kernel | https://github.com/NetBSD/src/blob/441bbe544caaeb44e9588a47a909f6bfdb306a61/sys/arch/x68k/x68k/locore.s | 641 | 700 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:18 | 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 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 | restor... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | 441bbe544caaeb44e9588a47a909f6bfdb306a61 | github | kernel | https://github.com/NetBSD/src/blob/441bbe544caaeb44e9588a47a909f6bfdb306a61/sys/arch/x68k/x68k/locore.s | 681 | 740 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:19 | jne 1f | no, done
rte
1:
btst #5,%sp@ | yes, are we returning to user mode?
beq 2f | no, done
rte
2:
movw #PSL_LOWIPL,%sr | lower SPL
clrl %sp@- | stack adjust
moveml #0xFFFF,%sp@- | save all registers
movl %usp,%a1 | including
movl %a1,%sp@(FR_SP) | the users SP
Lrei:
clrl %sp@- | VA == none... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | 441bbe544caaeb44e9588a47a909f6bfdb306a61 | github | kernel | https://github.com/NetBSD/src/blob/441bbe544caaeb44e9588a47a909f6bfdb306a61/sys/arch/x68k/x68k/locore.s | 721 | 780 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:20 | */
/*
* 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) ... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | 441bbe544caaeb44e9588a47a909f6bfdb306a61 | github | kernel | https://github.com/NetBSD/src/blob/441bbe544caaeb44e9588a47a909f6bfdb306a61/sys/arch/x68k/x68k/locore.s | 761 | 820 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:21 | ENTRY(ecacheoff)
rts
/*
* _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_di... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | 441bbe544caaeb44e9588a47a909f6bfdb306a61 | github | kernel | https://github.com/NetBSD/src/blob/441bbe544caaeb44e9588a47a909f6bfdb306a61/sys/arch/x68k/x68k/locore.s | 801 | 860 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:22 | 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 off
.long 0x4e7b9003 | movc a1(=0),tc ; disable MMU
jra Ldoreboot1
LmotommuF:
#endif
c... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | 441bbe544caaeb44e9588a47a909f6bfdb306a61 | github | kernel | https://github.com/NetBSD/src/blob/441bbe544caaeb44e9588a47a909f6bfdb306a61/sys/arch/x68k/x68k/locore.s | 841 | 900 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:23 | GLOBAL(fputype)
.long FPU_NONE
GLOBAL(intiobase)
.long 0 | KVA of base of internal IO space
GLOBAL(intiolimit)
.long 0 | KVA of end of internal IO space
#ifdef DEBUG
ASGLOBAL(fulltflush)
.long 0
ASGLOBAL(fullcflush)
.long 0
#endif
/* interrupt counters */
GLOBAL(intrnames)
.asciz "spur"
.asciz "lev1"
... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | 441bbe544caaeb44e9588a47a909f6bfdb306a61 | github | kernel | https://github.com/NetBSD/src/blob/441bbe544caaeb44e9588a47a909f6bfdb306a61/sys/arch/x68k/x68k/locore.s | 881 | 916 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:8 | movw %a0@,%d0
movw %d0,%d1
notw %d1
movw %d1,%a1@
movw %d0,%a0@
cmpw %a1@,%d1 | JUPITER-X?
jne Ljupiterdone | no, skip
movl #0x0100a240,%d0 | to access system register
.long 0x4e7b0006 | movc %d0,%dtt0
movb #0x01,0x01800003 | set "SUPER" bit
Ljupiterdone:
#endif /* JUPITER */
moveq #0,%d0 | ensure TT re... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | 8469df929f4af7108beb12d564f7f89318e711ff | github | kernel | https://github.com/NetBSD/src/blob/8469df929f4af7108beb12d564f7f89318e711ff/sys/arch/x68k/x68k/locore.s | 281 | 340 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:9 | /*
* Should be running mapped from this point on
*/
Lenab1:
/* set vector base in virtual address */
movl #_C_LABEL(vectab),%d0 | set Vector Base Register
movc %d0,%vbr
lea _ASM_LABEL(tmpstk),%sp | temporary stack
/* call final pmap setup */
jbsr _C_LABEL(pmap_bootstrap_finalize)
/* set kernel stack, user SP */
... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | 8469df929f4af7108beb12d564f7f89318e711ff | github | kernel | https://github.com/NetBSD/src/blob/8469df929f4af7108beb12d564f7f89318e711ff/sys/arch/x68k/x68k/locore.s | 321 | 380 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:3 | * table and is hence at 0x400 (see reset vector in vectors.s).
*/
PANIC("kernel jump to zero")
/* NOTREACHED */
/*
* Macro to relocate a symbol, used before MMU is enabled.
*/
#define _RELOC(var, ar) \
lea var,ar; \
addl %a5,ar
#define RELOC(var, ar) _RELOC(_C_LABEL(var), ar)
#define ASRELOC(var, ar) _REL... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | a07f32d2341a407d3d4bb9773f485fe1110dcb2d | github | kernel | https://github.com/NetBSD/src/blob/a07f32d2341a407d3d4bb9773f485fe1110dcb2d/sys/arch/x68k/x68k/locore.s | 81 | 140 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:4 | RELOC(vectab,%a0) | set Vector Base Register temporaly
movc %a0,%vbr
#if 0 /* XXX this should be done by the boot loader */
RELOC(edata, %a0) | clear out BSS
movl #_C_LABEL(end)-4,%d0 | (must be <= 256 kB)
subl #_C_LABEL(edata),%d0
lsrl #2,%d0
1: clrl %a0@+
dbra %d0,1b
#endif
ASRELOC(tmpstk, %a0)
movl %a0,%... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | a07f32d2341a407d3d4bb9773f485fe1110dcb2d | github | kernel | https://github.com/NetBSD/src/blob/a07f32d2341a407d3d4bb9773f485fe1110dcb2d/sys/arch/x68k/x68k/locore.s | 121 | 180 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:17 | 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)
ENTRY_NOPROFILE(lev4intr)
ENTRY_NOPROFILE(lev5intr)
ENTRY_NOPROFILE(lev6intr)
add... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | 36f542a77b0de48a486f9f4c524ca47e469d17b5 | github | kernel | https://github.com/NetBSD/src/blob/36f542a77b0de48a486f9f4c524ca47e469d17b5/sys/arch/x68k/x68k/locore.s | 641 | 700 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:18 | 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 registers
movl %usp,%a0 | and save
movl %a0,%sp@(FR_SP) | the user stack pointer
jbsr _C_LABEL(nmihand) | call handler
... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | 36f542a77b0de48a486f9f4c524ca47e469d17b5 | github | kernel | https://github.com/NetBSD/src/blob/36f542a77b0de48a486f9f4c524ca47e469d17b5/sys/arch/x68k/x68k/locore.s | 681 | 740 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:19 | tstl _C_LABEL(astpending) | AST pending?
jne 1f | no, done
rte
1:
btst #5,%sp@ | yes, are we returning to user mode?
beq 2f | no, done
rte
2:
movw #PSL_LOWIPL,%sr | lower SPL
clrl %sp@- | stack adjust
moveml #0xFFFF,%sp@- | save all registers
movl %usp,%a1 | including
movl %a1,%sp@(FR_SP) | the... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | 36f542a77b0de48a486f9f4c524ca47e469d17b5 | github | kernel | https://github.com/NetBSD/src/blob/36f542a77b0de48a486f9f4c524ca47e469d17b5/sys/arch/x68k/x68k/locore.s | 721 | 780 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:20 | * Primitives
*/
/*
* 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@... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | 36f542a77b0de48a486f9f4c524ca47e469d17b5 | github | kernel | https://github.com/NetBSD/src/blob/36f542a77b0de48a486f9f4c524ca47e469d17b5/sys/arch/x68k/x68k/locore.s | 761 | 820 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:21 | ENTRY(ecacheoff)
rts
/*
* _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_di... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | 36f542a77b0de48a486f9f4c524ca47e469d17b5 | github | kernel | https://github.com/NetBSD/src/blob/36f542a77b0de48a486f9f4c524ca47e469d17b5/sys/arch/x68k/x68k/locore.s | 801 | 860 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:22 | 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 off
.long 0x4e7b9003 | movc a1(=0),tc ; disable MMU
jra Ldoreboot1
LmotommuF:
#end... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | 36f542a77b0de48a486f9f4c524ca47e469d17b5 | github | kernel | https://github.com/NetBSD/src/blob/36f542a77b0de48a486f9f4c524ca47e469d17b5/sys/arch/x68k/x68k/locore.s | 841 | 900 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:16 | 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 stack pointer may have been modified, or
| data below it modified (by kgdb push call),
| so push the hardware frame at the current s... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | 6279c1e992621a887496dc9278adf6ed8aff06c5 | github | kernel | https://github.com/NetBSD/src/blob/6279c1e992621a887496dc9278adf6ed8aff06c5/sys/arch/x68k/x68k/locore.s | 601 | 660 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:17 | pea %sp@(16-(FR_HW)) | XXX
jbsr _C_LABEL(intio_intr)
addql #4,%sp
CPUINFO_INCREMENT(CI_NINTR)
INTERRUPT_RESTOREREG
subql #1,_C_LABEL(idepth)
jra rei
ENTRY_NOPROFILE(lev1intr)
ENTRY_NOPROFILE(lev2intr)
ENTRY_NOPROFILE(lev3intr)
ENTRY_NOPROFILE(lev4intr)
ENTRY_NOPROFILE(lev5intr)
ENTRY_NOPROFILE(lev6intr)
addql #... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | 6279c1e992621a887496dc9278adf6ed8aff06c5 | github | kernel | https://github.com/NetBSD/src/blob/6279c1e992621a887496dc9278adf6ed8aff06c5/sys/arch/x68k/x68k/locore.s | 641 | 700 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:18 | subql #1,_C_LABEL(idepth)
jra _ASM_LABEL(rei) | all done
ENTRY_NOPROFILE(lev7intr)
addql #1,_C_LABEL(idepth)
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 %s... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | 6279c1e992621a887496dc9278adf6ed8aff06c5 | github | kernel | https://github.com/NetBSD/src/blob/6279c1e992621a887496dc9278adf6ed8aff06c5/sys/arch/x68k/x68k/locore.s | 681 | 740 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:19 | tstl _C_LABEL(astpending) | AST pending?
jne 1f | no, done
rte
1:
btst #5,%sp@ | yes, are we returning to user mode?
beq 2f | no, done
rte
2:
movw #PSL_LOWIPL,%sr | lower SPL
clrl %sp@- | stack adjust
moveml #0xFFFF,%sp@- | save all registers
movl %usp,%a1 | including
movl %a1,%sp@(FR_SP) | the... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | c935f8294f8dbedb30d0ac8738963ee40ec9a39a | github | kernel | https://github.com/NetBSD/src/blob/c935f8294f8dbedb30d0ac8738963ee40ec9a39a/sys/arch/x68k/x68k/locore.s | 721 | 780 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:20 | * Use common m68k sigcode.
*/
#include <m68k/m68k/sigcode.s>
#ifdef COMPAT_SUNOS
#include <m68k/m68k/sunos_sigcode.s>
#endif
/*
* Primitives
*/
/*
* Use common m68k process/lwp switch and context save subroutines.
*/
#define FPCOPROC /* XXX: Temp. reqd. */
#include <m68k/m68k/switch_subr.s>
#if defined(M68040)... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | c935f8294f8dbedb30d0ac8738963ee40ec9a39a | github | kernel | https://github.com/NetBSD/src/blob/c935f8294f8dbedb30d0ac8738963ee40ec9a39a/sys/arch/x68k/x68k/locore.s | 761 | 820 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:21 | 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 depends on the variable: delay_divisor
* which should be set based on the CPU clock r... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | c935f8294f8dbedb30d0ac8738963ee40ec9a39a | github | kernel | https://github.com/NetBSD/src/blob/c935f8294f8dbedb30d0ac8738963ee40ec9a39a/sys/arch/x68k/x68k/locore.s | 801 | 860 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:22 | 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 | c935f8294f8dbedb30d0ac8738963ee40ec9a39a | github | kernel | https://github.com/NetBSD/src/blob/c935f8294f8dbedb30d0ac8738963ee40ec9a39a/sys/arch/x68k/x68k/locore.s | 841 | 900 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:23 | 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 | KVA of base of internal IO space
GLOBAL(intiolimit)
.long 0 | KVA of end of internal IO space
#... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | c935f8294f8dbedb30d0ac8738963ee40ec9a39a | github | kernel | https://github.com/NetBSD/src/blob/c935f8294f8dbedb30d0ac8738963ee40ec9a39a/sys/arch/x68k/x68k/locore.s | 881 | 925 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:16 | 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 stack pointer may have been modified, or
| data below it modified (by kgdb push call),
| so push the hardware frame at the current s... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | 703d1d4836bbf6504f494e94d6287e898624ade1 | github | kernel | https://github.com/NetBSD/src/blob/703d1d4836bbf6504f494e94d6287e898624ade1/sys/arch/x68k/x68k/locore.s | 601 | 660 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:17 | ENTRY_NOPROFILE(intiotrap)
addql #1,_C_LABEL(idepth)
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(idepth)
jra rei
ENTRY_NOPROFILE(lev1intr)
ENTRY_NOPROFILE(lev2intr)
ENTRY_NOPROFILE(lev3intr)
ENTRY_NOPROF... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | 703d1d4836bbf6504f494e94d6287e898624ade1 | github | kernel | https://github.com/NetBSD/src/blob/703d1d4836bbf6504f494e94d6287e898624ade1/sys/arch/x68k/x68k/locore.s | 641 | 700 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:18 | addql #4,%sp
CPUINFO_INCREMENT(CI_NINTR) | chalk up another interrupt
INTERRUPT_RESTOREREG | restore scratch registers
subql #1,_C_LABEL(idepth)
jra _ASM_LABEL(rei) | all done
ENTRY_NOPROFILE(lev7intr)
addql #1,_C_LABEL(idepth)
addql #1,_C_LABEL(intrcnt)+28
clrl %sp@-
moveml #0xFFFF,%sp@- | save registers
... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | 703d1d4836bbf6504f494e94d6287e898624ade1 | github | kernel | https://github.com/NetBSD/src/blob/703d1d4836bbf6504f494e94d6287e898624ade1/sys/arch/x68k/x68k/locore.s | 681 | 740 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:19 | */
ASENTRY_NOPROFILE(rei)
tstl _C_LABEL(astpending) | AST pending?
jne 1f | no, done
rte
1:
btst #5,%sp@ | yes, are we returning to user mode?
beq 2f | no, done
rte
2:
movw #PSL_LOWIPL,%sr | lower SPL
clrl %sp@- | stack adjust
moveml #0xFFFF,%sp@- | save all registers
movl %usp,%a1 | including
mo... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | 703d1d4836bbf6504f494e94d6287e898624ade1 | github | kernel | https://github.com/NetBSD/src/blob/703d1d4836bbf6504f494e94d6287e898624ade1/sys/arch/x68k/x68k/locore.s | 721 | 780 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:20 | rte | and do real RTE
/*
* Use common m68k sigcode.
*/
#include <m68k/m68k/sigcode.s>
#ifdef COMPAT_SUNOS
#include <m68k/m68k/sunos_sigcode.s>
#endif
/*
* Primitives
*/
/*
* Use common m68k process/lwp switch and context save subroutines.
*/
#define FPCOPROC /* XXX: Temp. reqd. */
#include <m68k/m68k/switch... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | 703d1d4836bbf6504f494e94d6287e898624ade1 | github | kernel | https://github.com/NetBSD/src/blob/703d1d4836bbf6504f494e94d6287e898624ade1/sys/arch/x68k/x68k/locore.s | 761 | 820 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:22 | */
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 | 703d1d4836bbf6504f494e94d6287e898624ade1 | github | kernel | https://github.com/NetBSD/src/blob/703d1d4836bbf6504f494e94d6287e898624ade1/sys/arch/x68k/x68k/locore.s | 841 | 900 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:23 | .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 | KVA of base of internal IO sp... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | 703d1d4836bbf6504f494e94d6287e898624ade1 | github | kernel | https://github.com/NetBSD/src/blob/703d1d4836bbf6504f494e94d6287e898624ade1/sys/arch/x68k/x68k/locore.s | 881 | 928 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:19 | */
ASENTRY_NOPROFILE(rei)
tstl _C_LABEL(astpending) | AST pending?
jne 1f | no, done
rte
1:
btst #5,%sp@ | yes, are we returning to user mode?
beq 2f | no, done
rte
2:
movw #PSL_LOWIPL,%sr | lower SPL
clrl %sp@- | stack adjust
moveml #0xFFFF,%sp@- | save all registers
movl %usp,%a1 | including
mo... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | 219483d9ac8b4beb5e84ee761625f29ac41f0242 | github | kernel | https://github.com/NetBSD/src/blob/219483d9ac8b4beb5e84ee761625f29ac41f0242/sys/arch/x68k/x68k/locore.s | 721 | 780 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:20 | rte | and do real RTE
/*
* Use common m68k sigcode.
*/
#include <m68k/m68k/sigcode.s>
#ifdef COMPAT_SUNOS
#include <m68k/m68k/sunos_sigcode.s>
#endif
/*
* Primitives
*/
/*
* Use common m68k support routines.
*/
#include <m68k/m68k/support.s>
/*
* Use common m68k process/lwp switch and context save subrout... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | 219483d9ac8b4beb5e84ee761625f29ac41f0242 | github | kernel | https://github.com/NetBSD/src/blob/219483d9ac8b4beb5e84ee761625f29ac41f0242/sys/arch/x68k/x68k/locore.s | 761 | 820 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:22 | * 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 | 219483d9ac8b4beb5e84ee761625f29ac41f0242 | github | kernel | https://github.com/NetBSD/src/blob/219483d9ac8b4beb5e84ee761625f29ac41f0242/sys/arch/x68k/x68k/locore.s | 841 | 900 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:23 | 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(fputype)
.long FPU_NONE
GLOBAL(intio... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | 219483d9ac8b4beb5e84ee761625f29ac41f0242 | github | kernel | https://github.com/NetBSD/src/blob/219483d9ac8b4beb5e84ee761625f29ac41f0242/sys/arch/x68k/x68k/locore.s | 881 | 933 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:24 | .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 | 219483d9ac8b4beb5e84ee761625f29ac41f0242 | github | kernel | https://github.com/NetBSD/src/blob/219483d9ac8b4beb5e84ee761625f29ac41f0242/sys/arch/x68k/x68k/locore.s | 921 | 933 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:7 | Lstart3:
RELOC(setmemrange,%a0) | call setmemrange()
jbsr %a0@ | to probe all memory regions
addl #PAGE_SIZE-1,%d5
andl #PG_FRAME,%d5 | round to a page
movl %d5,%a4
addl %a5,%a4 | convert to PA
pea %a5@ | firstpa
pea %a4@ | nextpa
RELOC(pmap_bootstrap,%a0)
jbsr %a0@ | pmap_bootstrap(firstpa, next... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | e697980812a414790d0f92bfc363722df6302a00 | github | kernel | https://github.com/NetBSD/src/blob/e697980812a414790d0f92bfc363722df6302a00/sys/arch/x68k/x68k/locore.s | 241 | 300 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:8 | lea 0x02c00000,%a1 | %a1: graphic VRAM ( not JUPITER-X )
| DRAM ( JUPITER-X )
movw %a0@,%d0
movw %d0,%d1
notw %d1
movw %d1,%a1@
movw %d0,%a0@
cmpw %a1@,%d1 | JUPITER-X?
jne Ljupiterdone | no, skip
movl #0x0100a240,%d0 | to access system register
.long 0x4e7b0006 | movc %d0,%dtt0
movb #0x01,0x01... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | e697980812a414790d0f92bfc363722df6302a00 | github | kernel | https://github.com/NetBSD/src/blob/e697980812a414790d0f92bfc363722df6302a00/sys/arch/x68k/x68k/locore.s | 281 | 340 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:9 | 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 Register
movc %d0,%vbr
lea _ASM_LABEL(tmpstk),%sp | temporary stack
/* call final pmap setup */
jbsr _C_LABEL(pmap_bootstrap_finalize)
/* set... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | e697980812a414790d0f92bfc363722df6302a00 | github | kernel | https://github.com/NetBSD/src/blob/e697980812a414790d0f92bfc363722df6302a00/sys/arch/x68k/x68k/locore.s | 321 | 380 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:10 | movl %d7,_C_LABEL(boothowto) | save reboot flags
movl %d6,_C_LABEL(bootdev) | and boot device
jbsr _C_LABEL(x68k_init) | additional pre-main initialization
/*
* 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.
*/
... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | e697980812a414790d0f92bfc363722df6302a00 | github | kernel | https://github.com/NetBSD/src/blob/e697980812a414790d0f92bfc363722df6302a00/sys/arch/x68k/x68k/locore.s | 361 | 420 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:11 | 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_FPEMULI,%d0 | denote as FP emulation trap
jra _ASM_LABEL(fault) | do it
#endif
Lfp_unimp:
#endif /* M68040 */
#ifdef FP... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | e697980812a414790d0f92bfc363722df6302a00 | github | kernel | https://github.com/NetBSD/src/blob/e697980812a414790d0f92bfc363722df6302a00/sys/arch/x68k/x68k/locore.s | 401 | 460 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:12 | 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 the trap call.
*/
ENTRY_NOPROFILE(fpfault)
clrl %sp@- | stack adjust count
moveml #0... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | e697980812a414790d0f92bfc363722df6302a00 | github | kernel | https://github.com/NetBSD/src/blob/e697980812a414790d0f92bfc363722df6302a00/sys/arch/x68k/x68k/locore.s | 441 | 500 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:16 | 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 stack pointer may have been modified, or
| data below it... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | e697980812a414790d0f92bfc363722df6302a00 | github | kernel | https://github.com/NetBSD/src/blob/e697980812a414790d0f92bfc363722df6302a00/sys/arch/x68k/x68k/locore.s | 601 | 660 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:17 | rte
ENTRY_NOPROFILE(intiotrap)
addql #1,_C_LABEL(idepth)
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(idepth)
jra rei
ENTRY_NOPROFILE(lev1intr)
ENTRY_NOPROFILE(lev2intr)
ENTRY_NOPROFILE(lev3intr)
ENTRY_N... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | e697980812a414790d0f92bfc363722df6302a00 | github | kernel | https://github.com/NetBSD/src/blob/e697980812a414790d0f92bfc363722df6302a00/sys/arch/x68k/x68k/locore.s | 641 | 700 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:18 | movl %a1,%sp@-
jbsr _C_LABEL(hardclock) | hardclock(&frame)
addql #4,%sp
CPUINFO_INCREMENT(CI_NINTR) | chalk up another interrupt
INTERRUPT_RESTOREREG | restore scratch registers
subql #1,_C_LABEL(idepth)
jra _ASM_LABEL(rei) | all done
ENTRY_NOPROFILE(lev7intr)
addql #1,_C_LABEL(idepth)
addql #1,_C_LABEL(int... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | e697980812a414790d0f92bfc363722df6302a00 | github | kernel | https://github.com/NetBSD/src/blob/e697980812a414790d0f92bfc363722df6302a00/sys/arch/x68k/x68k/locore.s | 681 | 740 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:19 | * This code is complicated by the fact that sendsig may have been called
* necessitating a stack cleanup.
*/
ASENTRY_NOPROFILE(rei)
tstl _C_LABEL(astpending) | AST pending?
jne 1f | no, done
rte
1:
btst #5,%sp@ | yes, are we returning to user mode?
beq 2f | no, done
rte
2:
movw #PSL_LOWIPL,%sr | lower ... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | e697980812a414790d0f92bfc363722df6302a00 | github | kernel | https://github.com/NetBSD/src/blob/e697980812a414790d0f92bfc363722df6302a00/sys/arch/x68k/x68k/locore.s | 721 | 780 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:20 | moveml %sp@+,#0x7FFF | restore user registers
movl %sp@,%sp | and our SP
rte | and do real RTE
/*
* Use common m68k sigcode.
*/
#include <m68k/m68k/sigcode.s>
#ifdef COMPAT_SUNOS
#include <m68k/m68k/sunos_sigcode.s>
#endif
/*
* Primitives
*/
/*
* Use common m68k support routines.
*/
#include <m68k/m68k/... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | e697980812a414790d0f92bfc363722df6302a00 | github | kernel | https://github.com/NetBSD/src/blob/e697980812a414790d0f92bfc363722df6302a00/sys/arch/x68k/x68k/locore.s | 761 | 820 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:21 | 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:
movl _C_LABEL(curpcb),%a1 | current pcb
clrl %a1@(PCB_ONFAULT) | clear fault address
rts
... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | e697980812a414790d0f92bfc363722df6302a00 | github | kernel | https://github.com/NetBSD/src/blob/e697980812a414790d0f92bfc363722df6302a00/sys/arch/x68k/x68k/locore.s | 801 | 860 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:22 | /*
* 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 MMU
* is turned off. We have c... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | e697980812a414790d0f92bfc363722df6302a00 | github | kernel | https://github.com/NetBSD/src/blob/e697980812a414790d0f92bfc363722df6302a00/sys/arch/x68k/x68k/locore.s | 841 | 900 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:23 | movc %a1,%vbr | reset Vector Base Register
jmp %a0@ | reboot X680x0
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 typ... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | e697980812a414790d0f92bfc363722df6302a00 | github | kernel | https://github.com/NetBSD/src/blob/e697980812a414790d0f92bfc363722df6302a00/sys/arch/x68k/x68k/locore.s | 881 | 935 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:24 | .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 | e697980812a414790d0f92bfc363722df6302a00 | github | kernel | https://github.com/NetBSD/src/blob/e697980812a414790d0f92bfc363722df6302a00/sys/arch/x68k/x68k/locore.s | 921 | 935 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:21 | 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:
movl _C_LABEL(curpcb),%a1 | current pcb
clrl %a1@(PCB_ONFAULT) | clear fault address
rts
... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | 57e14be5bf657a1488cafaf634721e305e9fa776 | github | kernel | https://github.com/NetBSD/src/blob/57e14be5bf657a1488cafaf634721e305e9fa776/sys/arch/x68k/x68k/locore.s | 801 | 860 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:22 | rts
LmotommuC:
#endif
pflusha | flush entire TLB
lea _C_LABEL(protorp),%a0 | CRP prototype
movl %d0,%a0@(4) | stash USTP
pmove %a0@,%crp | load root pointer
movl #CACHE_CLR,%d0
movc %d0,%cacr | invalidate cache(s)
rts
/*
* _delay(u_int N)
*
* Delay for at least N microseconds.
* This routine depends o... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | 57e14be5bf657a1488cafaf634721e305e9fa776 | github | kernel | https://github.com/NetBSD/src/blob/57e14be5bf657a1488cafaf634721e305e9fa776/sys/arch/x68k/x68k/locore.s | 841 | 900 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:23 | 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 | 57e14be5bf657a1488cafaf634721e305e9fa776 | github | kernel | https://github.com/NetBSD/src/blob/57e14be5bf657a1488cafaf634721e305e9fa776/sys/arch/x68k/x68k/locore.s | 881 | 940 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:24 | 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(protorp)
.long 0,0 | prototype root pointer
GLOBAL(intiobase)
.long 0 | KVA of base of internal IO space
GLOBAL(inti... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | 57e14be5bf657a1488cafaf634721e305e9fa776 | github | kernel | https://github.com/NetBSD/src/blob/57e14be5bf657a1488cafaf634721e305e9fa776/sys/arch/x68k/x68k/locore.s | 921 | 967 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:21 | 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:
movl _C_LABEL(curpcb),%a1 | current pcb
clrl %a1@(PCB_ONFAULT) | clear fault address
rts
... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | ee2bbf4b98f5cd0a656bbceaf4ed33a05c104849 | github | kernel | https://github.com/NetBSD/src/blob/ee2bbf4b98f5cd0a656bbceaf4ed33a05c104849/sys/arch/x68k/x68k/locore.s | 801 | 860 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:22 | rts
LmotommuC:
#endif
pflusha | flush entire TLB
lea _C_LABEL(protorp),%a0 | CRP prototype
movl %d0,%a0@(4) | stash USTP
pmove %a0@,%crp | load root pointer
movl #CACHE_CLR,%d0
movc %d0,%cacr | invalidate cache(s)
rts
/*
* _delay(u_int N)
*
* Delay for at least (N/256) microseconds.
* This routine dep... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | ee2bbf4b98f5cd0a656bbceaf4ed33a05c104849 | github | kernel | https://github.com/NetBSD/src/blob/ee2bbf4b98f5cd0a656bbceaf4ed33a05c104849/sys/arch/x68k/x68k/locore.s | 841 | 900 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:23 | 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 | ee2bbf4b98f5cd0a656bbceaf4ed33a05c104849 | github | kernel | https://github.com/NetBSD/src/blob/ee2bbf4b98f5cd0a656bbceaf4ed33a05c104849/sys/arch/x68k/x68k/locore.s | 881 | 940 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:24 | .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(protorp)
.long 0,0 | prototype root pointer
GLOBAL(intiobase)
.long 0 | KVA of base of internal IO space
GLOBAL(intiolimit)
.long 0 ... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | ee2bbf4b98f5cd0a656bbceaf4ed33a05c104849 | github | kernel | https://github.com/NetBSD/src/blob/ee2bbf4b98f5cd0a656bbceaf4ed33a05c104849/sys/arch/x68k/x68k/locore.s | 921 | 966 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:7 | Lstart3:
RELOC(setmemrange,%a0) | call setmemrange()
jbsr %a0@ | to probe all memory regions
addl #PAGE_SIZE-1,%d5
andl #PG_FRAME,%d5 | round to a page
movl %d5,%a4
addl %a5,%a4 | convert to PA
pea %a5@ | firstpa
pea %a4@ | nextpa
RELOC(pmap_bootstrap,%a0)
jbsr %a0@ | pmap_bootstrap(firstpa, next... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | 2fe4d0e57eacb14a9b7849d46a14f190ce7cbcc0 | github | kernel | https://github.com/NetBSD/src/blob/2fe4d0e57eacb14a9b7849d46a14f190ce7cbcc0/sys/arch/x68k/x68k/locore.s | 241 | 300 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:8 | lea 0x02c00000,%a1 | %a1: graphic VRAM ( not JUPITER-X )
| DRAM ( JUPITER-X )
movw %a0@,%d0
movw %d0,%d1
notw %d1
movw %d1,%a1@
movw %d0,%a0@
cmpw %a1@,%d1 | JUPITER-X?
jne Ljupiterdone | no, skip
movl #0x0100a240,%d0 | to access system register
.long 0x4e7b0006 | movc %d0,%dtt0
movb #0x01,0x01... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | 2fe4d0e57eacb14a9b7849d46a14f190ce7cbcc0 | github | kernel | https://github.com/NetBSD/src/blob/2fe4d0e57eacb14a9b7849d46a14f190ce7cbcc0/sys/arch/x68k/x68k/locore.s | 281 | 340 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:9 | jmp Lenab1
Lmotommu2:
pflusha
#if PGSHIFT == 13
movl #0x82d08b00,%sp@- | value to load TC with
#else
movl #0x82c0aa00,%sp@- | value to load TC with
#endif
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 | s... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | 2fe4d0e57eacb14a9b7849d46a14f190ce7cbcc0 | github | kernel | https://github.com/NetBSD/src/blob/2fe4d0e57eacb14a9b7849d46a14f190ce7cbcc0/sys/arch/x68k/x68k/locore.s | 321 | 380 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:10 | 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,_C_LABEL(boothowto) | save reboot flags
movl %d6,_C_LABEL(bootdev) | and boot device
jbsr _C_LABEL(x68k_init) | additional pre-... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | 2fe4d0e57eacb14a9b7849d46a14f190ce7cbcc0 | github | kernel | https://github.com/NetBSD/src/blob/2fe4d0e57eacb14a9b7849d46a14f190ce7cbcc0/sys/arch/x68k/x68k/locore.s | 361 | 420 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:11 | /*
* FP exceptions.
*/
ENTRY_NOPROFILE(fpfline)
#if defined(M68040)
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@- |... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | 2fe4d0e57eacb14a9b7849d46a14f190ce7cbcc0 | github | kernel | https://github.com/NetBSD/src/blob/2fe4d0e57eacb14a9b7849d46a14f190ce7cbcc0/sys/arch/x68k/x68k/locore.s | 401 | 460 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:12 | Lfp_unsupp:
#endif
#ifdef FPU_EMULATE
clrl %sp@- | stack adjust count
moveml #0xFFFF,%sp@- | save registers
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 exceptio... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | 2fe4d0e57eacb14a9b7849d46a14f190ce7cbcc0 | github | kernel | https://github.com/NetBSD/src/blob/2fe4d0e57eacb14a9b7849d46a14f190ce7cbcc0/sys/arch/x68k/x68k/locore.s | 441 | 500 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:16 | 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
addql #8,%sp | pop args
#if 0 /* ... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | 2fe4d0e57eacb14a9b7849d46a14f190ce7cbcc0 | github | kernel | https://github.com/NetBSD/src/blob/2fe4d0e57eacb14a9b7849d46a14f190ce7cbcc0/sys/arch/x68k/x68k/locore.s | 601 | 660 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:17 | 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(idepth)
INTERRUPT_SAVEREG
pea %sp@(16-(FR_HW)) | XXX
j... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | 2fe4d0e57eacb14a9b7849d46a14f190ce7cbcc0 | github | kernel | https://github.com/NetBSD/src/blob/2fe4d0e57eacb14a9b7849d46a14f190ce7cbcc0/sys/arch/x68k/x68k/locore.s | 641 | 700 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:18 | subql #1,_C_LABEL(idepth)
jra _ASM_LABEL(rei)
ENTRY_NOPROFILE(timertrap)
addql #1,_C_LABEL(idepth)
INTERRUPT_SAVEREG | save scratch registers
addql #1,_C_LABEL(intrcnt)+32 | count hardclock interrupts
lea %sp@(16),%a1 | a1 = &clockframe
movl %a1,%sp@-
jbsr _C_LABEL(hardclock) | hardclock(&frame)
addql #4,%sp... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | 2fe4d0e57eacb14a9b7849d46a14f190ce7cbcc0 | github | kernel | https://github.com/NetBSD/src/blob/2fe4d0e57eacb14a9b7849d46a14f190ce7cbcc0/sys/arch/x68k/x68k/locore.s | 681 | 740 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:19 | *
* This code deals with checking for and servicing ASTs
* (profiling, scheduling) and software interrupts (network, softclock).
* We check for ASTs first, just like the VAX. To avoid excess overhead
* the T_ASTFLT handling code will also check for software interrupts so we
* do not have to do it here. After ide... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | 2fe4d0e57eacb14a9b7849d46a14f190ce7cbcc0 | github | kernel | https://github.com/NetBSD/src/blob/2fe4d0e57eacb14a9b7849d46a14f190ce7cbcc0/sys/arch/x68k/x68k/locore.s | 721 | 780 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:20 | Laststkadj:
lea %sp@(FR_HW),%a1 | pointer to HW frame
addql #8,%a1 | source pointer
movl %a1,%a0 | source
addw %d0,%a0 | + hole size = dest pointer
movl %a1@-,%a0@- | copy
movl %a1@-,%a0@- | 8 bytes
movl %a0,%sp@(FR_SP) | new SSP
moveml %sp@+,#0x7FFF | restore user registers
movl %sp@,%sp | and o... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | 2fe4d0e57eacb14a9b7849d46a14f190ce7cbcc0 | github | kernel | https://github.com/NetBSD/src/blob/2fe4d0e57eacb14a9b7849d46a14f190ce7cbcc0/sys/arch/x68k/x68k/locore.s | 761 | 820 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:21 | 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 lword
nop | sync
movl %a1@+,%d0 | get lword
movsl %d0,%a0@+ | put lword
nop | syn... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | 2fe4d0e57eacb14a9b7849d46a14f190ce7cbcc0 | github | kernel | https://github.com/NetBSD/src/blob/2fe4d0e57eacb14a9b7849d46a14f190ce7cbcc0/sys/arch/x68k/x68k/locore.s | 801 | 860 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:22 | #ifdef M68060
cmpl #CPU_68060,_C_LABEL(cputype)
jne Lldno60
movc %cacr,%d0
orl #IC60_CUBC,%d0 | clear user branch cache entries
movc %d0,%cacr
Lldno60:
#endif
rts
LmotommuC:
#endif
pflusha | flush entire TLB
lea _C_LABEL(protorp),%a0 | CRP prototype
movl %d0,%a0@(4) | stash USTP
pmove %a0@,%crp | load r... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | 2fe4d0e57eacb14a9b7849d46a14f190ce7cbcc0 | github | kernel | https://github.com/NetBSD/src/blob/2fe4d0e57eacb14a9b7849d46a14f190ce7cbcc0/sys/arch/x68k/x68k/locore.s | 841 | 900 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:23 | * 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 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) || de... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | 2fe4d0e57eacb14a9b7849d46a14f190ce7cbcc0 | github | kernel | https://github.com/NetBSD/src/blob/2fe4d0e57eacb14a9b7849d46a14f190ce7cbcc0/sys/arch/x68k/x68k/locore.s | 881 | 940 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:24 | /*
* 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(protorp)
.long 0,... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | 2fe4d0e57eacb14a9b7849d46a14f190ce7cbcc0 | github | kernel | https://github.com/NetBSD/src/blob/2fe4d0e57eacb14a9b7849d46a14f190ce7cbcc0/sys/arch/x68k/x68k/locore.s | 921 | 974 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:21 | 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 lword
nop | sync
movl %a1@+,%d0 | get lword
movsl %d0,%a0@+ | put lword
nop | syn... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | ea86bfe41b5abacf4dbbbada9eb32fe8ee66804b | github | kernel | https://github.com/NetBSD/src/blob/ea86bfe41b5abacf4dbbbada9eb32fe8ee66804b/sys/arch/x68k/x68k/locore.s | 801 | 860 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:22 | #ifdef M68060
cmpl #CPU_68060,_C_LABEL(cputype)
jne Lldno60
movc %cacr,%d0
orl #IC60_CUBC,%d0 | clear user branch cache entries
movc %d0,%cacr
Lldno60:
#endif
rts
LmotommuC:
#endif
pflusha | flush entire TLB
lea _C_LABEL(protorp),%a0 | CRP prototype
movl %d0,%a0@(4) | stash USTP
pmove %a0@,%crp | load r... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | ea86bfe41b5abacf4dbbbada9eb32fe8ee66804b | github | kernel | https://github.com/NetBSD/src/blob/ea86bfe41b5abacf4dbbbada9eb32fe8ee66804b/sys/arch/x68k/x68k/locore.s | 841 | 900 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:23 | movl %sp@(4),%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 is mapped on... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | ea86bfe41b5abacf4dbbbada9eb32fe8ee66804b | github | kernel | https://github.com/NetBSD/src/blob/ea86bfe41b5abacf4dbbbada9eb32fe8ee66804b/sys/arch/x68k/x68k/locore.s | 881 | 940 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:24 | 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:
/*
* Misc. global varia... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | ea86bfe41b5abacf4dbbbada9eb32fe8ee66804b | github | kernel | https://github.com/NetBSD/src/blob/ea86bfe41b5abacf4dbbbada9eb32fe8ee66804b/sys/arch/x68k/x68k/locore.s | 921 | 980 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:21 | 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 lword
nop | sync
movl %a1@+,%d0 | get lword
movsl %d0,%a0@+ | put lword
nop | syn... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | 156c51b999fb090a08a5116ec1d4f1d416027993 | github | kernel | https://github.com/NetBSD/src/blob/156c51b999fb090a08a5116ec1d4f1d416027993/sys/arch/x68k/x68k/locore.s | 801 | 860 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:22 | .word 0xf518 | yes, pflusha
.long 0x4e7b0806 | movc %d0,%urp
#ifdef M68060
cmpl #CPU_68060,_C_LABEL(cputype)
jne Lldno60
movc %cacr,%d0
orl #IC60_CUBC,%d0 | clear user branch cache entries
movc %d0,%cacr
Lldno60:
#endif
rts
LmotommuC:
#endif
pflusha | flush entire TLB
lea _C_LABEL(protorp),%a0 | CRP pro... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | 156c51b999fb090a08a5116ec1d4f1d416027993 | github | kernel | https://github.com/NetBSD/src/blob/156c51b999fb090a08a5116ec1d4f1d416027993/sys/arch/x68k/x68k/locore.s | 841 | 900 |
NetBSD/src:sys/arch/x68k/x68k/locore.s:23 | ENTRY_NOPROFILE(_delay)
| %d0 = arg = (usecs << 8)
movl %sp@(4),%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 ... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/x68k/locore.s | BSD-2-Clause | 156c51b999fb090a08a5116ec1d4f1d416027993 | github | kernel | https://github.com/NetBSD/src/blob/156c51b999fb090a08a5116ec1d4f1d416027993/sys/arch/x68k/x68k/locore.s | 881 | 940 |
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