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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/sun3/sun3x/locore.s:4 | | Now turn off the transparent translation of the low 1GB.
| (this also flushes the ATC)
clrl %sp@-
.long 0xf0170800 | pmove sp@,tt0
addql #4,%sp
jra _C_LABEL(main) | main() (never returns)
| That is all the assembly startup code we need on the sun3x!
| The rest of this is like the hp300/locore.s where possible... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun3/sun3x/locore.s | BSD-2-Clause | 77232dcadc6b560bf38f2f6d53d5fd087a321d0c | github | kernel | https://github.com/NetBSD/src/blob/77232dcadc6b560bf38f2f6d53d5fd087a321d0c/sys/arch/sun3/sun3x/locore.s | 121 | 180 |
NetBSD/src:sys/arch/sun3/sun3x/locore.s:5 | * (The MMU has a "boot" bit that forces access to the PROM)
*/
/*
* Primitives
*/
/*
* Use common m68k process/lwp switch and context save subroutines.
*/
#include <m68k/m68k/switch_subr.s>
#ifdef DEBUG
.data
ASGLOBAL(fulltflush)
.long 0
ASGLOBAL(fullcflush)
.long 0
.text
#endif
/*
* Load a new CPU Root ... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun3/sun3x/locore.s | BSD-2-Clause | 77232dcadc6b560bf38f2f6d53d5fd087a321d0c | github | kernel | https://github.com/NetBSD/src/blob/77232dcadc6b560bf38f2f6d53d5fd087a321d0c/sys/arch/sun3/sun3x/locore.s | 161 | 218 |
NetBSD/src:sys/arch/sun3/sun3x/locore.s:6 | * Get the physical address of the PTE for a given VA.
*/
ENTRY(ptest_addr)
movl %sp@(4),%a1 | VA
ptestr #5,%a1@,#7,%a0 | %a0 = addr of PTE
movl %a0,%d0 | Result in %d0 (not a pointer return)
rts
| Define some addresses, mostly so DDB can print useful info.
| Not using _C_LABEL() here because these symbols are... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun3/sun3x/locore.s | BSD-2-Clause | 77232dcadc6b560bf38f2f6d53d5fd087a321d0c | github | kernel | https://github.com/NetBSD/src/blob/77232dcadc6b560bf38f2f6d53d5fd087a321d0c/sys/arch/sun3/sun3x/locore.s | 201 | 218 |
NetBSD/src:sys/arch/sun3/sun3x/locore.s:4 | | Now turn off the transparent translation of the low 1GB.
| (this also flushes the ATC)
clrl %sp@-
.long 0xf0170800 | pmove sp@,tt0
addql #4,%sp
jra _C_LABEL(main) | main() (never returns)
| That is all the assembly startup code we need on the sun3x!
| The rest of this is like the hp300/locore.s where possible... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun3/sun3x/locore.s | BSD-2-Clause | 24fab1f688656739569c70f3f91e765774ab6a17 | github | kernel | https://github.com/NetBSD/src/blob/24fab1f688656739569c70f3f91e765774ab6a17/sys/arch/sun3/sun3x/locore.s | 121 | 180 |
NetBSD/src:sys/arch/sun3/sun3x/locore.s:5 | * (The MMU has a "boot" bit that forces access to the PROM)
*/
/*
* Primitives
*/
/*
* Use common m68k process/lwp switch and context save subroutines.
*/
#define FPCOPROC /* XXX: Temp. Reqd. */
#include <m68k/m68k/switch_subr.s>
#ifdef DEBUG
.data
ASGLOBAL(fulltflush)
.long 0
ASGLOBAL(fullcflush)
.long 0
... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun3/sun3x/locore.s | BSD-2-Clause | 24fab1f688656739569c70f3f91e765774ab6a17 | github | kernel | https://github.com/NetBSD/src/blob/24fab1f688656739569c70f3f91e765774ab6a17/sys/arch/sun3/sun3x/locore.s | 161 | 219 |
NetBSD/src:sys/arch/sun3/sun3x/locore.s:6 | /*
* Get the physical address of the PTE for a given VA.
*/
ENTRY(ptest_addr)
movl %sp@(4),%a1 | VA
ptestr #5,%a1@,#7,%a0 | %a0 = addr of PTE
movl %a0,%d0 | Result in %d0 (not a pointer return)
rts
| Define some addresses, mostly so DDB can print useful info.
| Not using _C_LABEL() here because these symbols... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun3/sun3x/locore.s | BSD-2-Clause | 24fab1f688656739569c70f3f91e765774ab6a17 | github | kernel | https://github.com/NetBSD/src/blob/24fab1f688656739569c70f3f91e765774ab6a17/sys/arch/sun3/sun3x/locore.s | 201 | 219 |
NetBSD/src:sys/arch/sun3/sun3x/locore.s:5 | * (The MMU has a "boot" bit that forces access to the PROM)
*/
/*
* Primitives
*/
/*
* Use common m68k process/lwp switch and context save subroutines.
*/
#define FPCOPROC /* XXX: Temp. Reqd. */
#include <m68k/m68k/switch_subr.s>
#ifdef DEBUG
.data
ASGLOBAL(fulltflush)
.long 0
ASGLOBAL(fullcflush)
.long 0
... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun3/sun3x/locore.s | BSD-2-Clause | f2ce59a6d8d16200463f724551c08168384da7b8 | github | kernel | https://github.com/NetBSD/src/blob/f2ce59a6d8d16200463f724551c08168384da7b8/sys/arch/sun3/sun3x/locore.s | 161 | 220 |
NetBSD/src:sys/arch/sun3/sun3x/locore.s:6 | /*
* Get the physical address of the PTE for a given VA.
*/
ENTRY(ptest_addr)
movl %sp@(4),%a1 | VA
ptestr #5,%a1@,#7,%a0 | %a0 = addr of PTE
movl %a0,%d0 | Result in %d0 (not a pointer return)
rts
/*
* _delay(unsigned N)
* Delay for at least (N/256) microseconds.
* This routine depends on the variable: ... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun3/sun3x/locore.s | BSD-2-Clause | f2ce59a6d8d16200463f724551c08168384da7b8 | github | kernel | https://github.com/NetBSD/src/blob/f2ce59a6d8d16200463f724551c08168384da7b8/sys/arch/sun3/sun3x/locore.s | 201 | 251 |
NetBSD/src:sys/arch/sun3/sun3x/locore.s:7 | | Define some addresses, mostly so DDB can print useful info.
| Not using _C_LABEL() here because these symbols are never
| referenced by any C code, and if the leading underscore
| ever goes away, these lines turn into syntax errors...
.set _KERNBASE3X,KERNBASE3X
.set _MONSTART,SUN3X_MONSTART
.set _PROM_BASE,SUN3X_... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun3/sun3x/locore.s | BSD-2-Clause | f2ce59a6d8d16200463f724551c08168384da7b8 | github | kernel | https://github.com/NetBSD/src/blob/f2ce59a6d8d16200463f724551c08168384da7b8/sys/arch/sun3/sun3x/locore.s | 241 | 251 |
NetBSD/src:sys/arch/sun3/sun3x/locore.s:3 | movl #0x3F8107,%a0@ | map the low 1GB v=p with the
.long 0xf0100800 | transparent translation reg0
| [ pmove a0@, tt0 ]
| In order to map the kernel into high memory we will copy the root table
| entry which maps the 16 megabytes of memory starting at 0x0 into the
| entry which maps the 16 megabytes starting at... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun3/sun3x/locore.s | BSD-2-Clause | 6de54b5f0e773667a6a453f9ed496e1573fb4b0c | github | kernel | https://github.com/NetBSD/src/blob/6de54b5f0e773667a6a453f9ed496e1573fb4b0c/sys/arch/sun3/sun3x/locore.s | 81 | 140 |
NetBSD/src:sys/arch/sun3/sun3x/locore.s:4 | | Now turn off the transparent translation of the low 1GB.
| (this also flushes the ATC)
clrl %sp@-
.long 0xf0170800 | pmove sp@,tt0
addql #4,%sp
jra _C_LABEL(main) | main() (never returns)
| That is all the assembly startup code we need on the sun3x!
| The rest of this is like the hp300/locore.s where possible... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun3/sun3x/locore.s | BSD-2-Clause | 6de54b5f0e773667a6a453f9ed496e1573fb4b0c | github | kernel | https://github.com/NetBSD/src/blob/6de54b5f0e773667a6a453f9ed496e1573fb4b0c/sys/arch/sun3/sun3x/locore.s | 121 | 180 |
NetBSD/src:sys/arch/sun3/sun3x/locore.s:5 | * - KGDB breakpoints (in the kernel)
* - trace traps for SUN binaries (not fully supported yet)
* User mode traps are simply passed to trap().
*/
GLOBAL(trap15)
clrl %sp@- | stack adjust count
moveml #0xFFFF,%sp@-
moveq #T_TRAP15,%d0
btst #5,%sp@(FR_HW) | was supervisor mode?
jne _ASM_LABEL(kbrkpt) | yes, k... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun3/sun3x/locore.s | BSD-2-Clause | 6de54b5f0e773667a6a453f9ed496e1573fb4b0c | github | kernel | https://github.com/NetBSD/src/blob/6de54b5f0e773667a6a453f9ed496e1573fb4b0c/sys/arch/sun3/sun3x/locore.s | 161 | 220 |
NetBSD/src:sys/arch/sun3/sun3x/locore.s:6 | jbsr _C_LABEL(trap_kdebug)
addql #4,%sp | pop args
| 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@(FR_SIZE),%a1 | end of our fram... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun3/sun3x/locore.s | BSD-2-Clause | 6de54b5f0e773667a6a453f9ed496e1573fb4b0c | github | kernel | https://github.com/NetBSD/src/blob/6de54b5f0e773667a6a453f9ed496e1573fb4b0c/sys/arch/sun3/sun3x/locore.s | 201 | 260 |
NetBSD/src:sys/arch/sun3/sun3x/locore.s:7 | * (The MMU has a "boot" bit that forces access to the PROM)
*/
/*
* Primitives
*/
/*
* Use common m68k process/lwp switch and context save subroutines.
*/
#define FPCOPROC /* XXX: Temp. Reqd. */
#include <m68k/m68k/switch_subr.s>
#ifdef DEBUG
.data
ASGLOBAL(fulltflush)
.long 0
ASGLOBAL(fullcflush)
.long 0
... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun3/sun3x/locore.s | BSD-2-Clause | 579bea99f8d7b146dccdb8ef94846e9e8fa5b579 | github | kernel | https://github.com/NetBSD/src/blob/579bea99f8d7b146dccdb8ef94846e9e8fa5b579/sys/arch/sun3/sun3x/locore.s | 241 | 300 |
NetBSD/src:sys/arch/sun3/sun3x/locore.s:8 | ENTRY(getcrp)
movl %sp@(4),%a0 | arg1: &crp
pmove %crp,%a0@ | *crpp = %crp
rts
/*
* Get the physical address of the PTE for a given VA.
*/
ENTRY(ptest_addr)
movl %sp@(4),%a1 | VA
ptestr #5,%a1@,#7,%a0 | %a0 = addr of PTE
movl %a0,%d0 | Result in %d0 (not a pointer return)
rts
/*
* _delay(unsigned N)
... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun3/sun3x/locore.s | BSD-2-Clause | 579bea99f8d7b146dccdb8ef94846e9e8fa5b579 | github | kernel | https://github.com/NetBSD/src/blob/579bea99f8d7b146dccdb8ef94846e9e8fa5b579/sys/arch/sun3/sun3x/locore.s | 281 | 337 |
NetBSD/src:sys/arch/sun3/sun3x/locore.s:9 | .align 3
#endif
L_delay:
subl %d1,%d0
jgt L_delay
rts
| Define some addresses, mostly so DDB can print useful info.
| Not using _C_LABEL() here because these symbols are never
| referenced by any C code, and if the leading underscore
| ever goes away, these lines turn into syntax errors...
.set _KERNBASE3X,KERNBAS... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun3/sun3x/locore.s | BSD-2-Clause | 579bea99f8d7b146dccdb8ef94846e9e8fa5b579 | github | kernel | https://github.com/NetBSD/src/blob/579bea99f8d7b146dccdb8ef94846e9e8fa5b579/sys/arch/sun3/sun3x/locore.s | 321 | 337 |
NetBSD/src:sys/arch/sun3/sun3x/locore.s:3 | movl #0x3F8107,%a0@ | map the low 1GB v=p with the
.long 0xf0100800 | transparent translation reg0
| [ pmove a0@, tt0 ]
| In order to map the kernel into high memory we will copy the root table
| entry which maps the 16 megabytes of memory starting at 0x0 into the
| entry which maps the 16 megabytes starting at... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun3/sun3x/locore.s | BSD-2-Clause | 4048739f64f9f6795ecd90b007c27a0d9eb0187c | github | kernel | https://github.com/NetBSD/src/blob/4048739f64f9f6795ecd90b007c27a0d9eb0187c/sys/arch/sun3/sun3x/locore.s | 81 | 140 |
NetBSD/src:sys/arch/sun3/sun3x/locore.s:3 | movl #0x3F8107,%a0@ | map the low 1GB v=p with the
.long 0xf0100800 | transparent translation reg0
| [ pmove a0@, tt0 ]
| In order to map the kernel into high memory we will copy the root table
| entry which maps the 16 megabytes of memory starting at 0x0 into the
| entry which maps the 16 megabytes starting at... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun3/sun3x/locore.s | BSD-2-Clause | 74159c5b65be4f5b7abf2b9c3bdbc4f7b0dddcf5 | github | kernel | https://github.com/NetBSD/src/blob/74159c5b65be4f5b7abf2b9c3bdbc4f7b0dddcf5/sys/arch/sun3/sun3x/locore.s | 81 | 140 |
NetBSD/src:sys/arch/sun3/sun3x/locore.s:4 | | Now turn off the transparent translation of the low 1GB.
| (this also flushes the ATC)
clrl %sp@-
.long 0xf0170800 | pmove sp@,tt0
addql #4,%sp
| Now that _bootstrap() is done using the PROM functions,
| we can safely set the sfc/dfc to something != FC_CONTROL
moveq #FC_USERD,%d0 | make movs access "user data"... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun3/sun3x/locore.s | BSD-2-Clause | 74159c5b65be4f5b7abf2b9c3bdbc4f7b0dddcf5 | github | kernel | https://github.com/NetBSD/src/blob/74159c5b65be4f5b7abf2b9c3bdbc4f7b0dddcf5/sys/arch/sun3/sun3x/locore.s | 121 | 180 |
NetBSD/src:sys/arch/sun3/sun3x/locore.s:5 | | 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 PSW
notw %d1 | XXX no support for T0 on 680[234]0
andw #PSL_TS,%d1 | from... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun3/sun3x/locore.s | BSD-2-Clause | 74159c5b65be4f5b7abf2b9c3bdbc4f7b0dddcf5 | github | kernel | https://github.com/NetBSD/src/blob/74159c5b65be4f5b7abf2b9c3bdbc4f7b0dddcf5/sys/arch/sun3/sun3x/locore.s | 161 | 220 |
NetBSD/src:sys/arch/sun3/sun3x/locore.s:6 | | 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
bgt Lbrkpt1
Lbrkpt2:
| Call the trap handler for the kernel debugger.
| Do not call trap() to handle it, so that we can
... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun3/sun3x/locore.s | BSD-2-Clause | 74159c5b65be4f5b7abf2b9c3bdbc4f7b0dddcf5 | github | kernel | https://github.com/NetBSD/src/blob/74159c5b65be4f5b7abf2b9c3bdbc4f7b0dddcf5/sys/arch/sun3/sun3x/locore.s | 201 | 260 |
NetBSD/src:sys/arch/sun3/sun3x/locore.s:7 | #ifdef __ELF__
.align 4
#else
.align 2
#endif
GLOBAL(_isr_clock)
INTERRUPT_SAVEREG
jbsr _C_LABEL(clock_intr)
INTERRUPT_RESTOREREG
jra _ASM_LABEL(rei)
/*
* Initialization is at the beginning of this file, because the
* kernel entry point needs to be at zero for compatibility with
* the Sun boot loader. This w... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun3/sun3x/locore.s | BSD-2-Clause | 74159c5b65be4f5b7abf2b9c3bdbc4f7b0dddcf5 | github | kernel | https://github.com/NetBSD/src/blob/74159c5b65be4f5b7abf2b9c3bdbc4f7b0dddcf5/sys/arch/sun3/sun3x/locore.s | 241 | 300 |
NetBSD/src:sys/arch/sun3/sun3x/locore.s:8 | rts
ENTRY(ecacheoff)
rts
/*
* Load a new CPU Root Pointer (CRP) into the MMU.
* void loadcrp(struct mmu_rootptr *);
*/
ENTRY(loadcrp)
movl %sp@(4),%a0 | arg1: &CRP
movl #CACHE_CLR,%d0
movc %d0,%cacr | invalidate cache(s)
pflusha | flush entire TLB
pmove %a0@,%crp | load new user root pointer
rts
ENTR... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun3/sun3x/locore.s | BSD-2-Clause | 74159c5b65be4f5b7abf2b9c3bdbc4f7b0dddcf5 | github | kernel | https://github.com/NetBSD/src/blob/74159c5b65be4f5b7abf2b9c3bdbc4f7b0dddcf5/sys/arch/sun3/sun3x/locore.s | 281 | 340 |
NetBSD/src:sys/arch/sun3/sun3x/locore.s:9 | | %d0 = arg = (usecs << 8)
movl %sp@(4),%d0
| %d1 = delay_divisor;
movl _C_LABEL(delay_divisor),%d1
jra L_delay /* Jump into the loop! */
/*
* Align the branch target of the loop to a half-line (8-byte)
* boundary to minimize cache effects. This guarantees both
* that there will be no prefetch stalls due... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun3/sun3x/locore.s | BSD-2-Clause | 74159c5b65be4f5b7abf2b9c3bdbc4f7b0dddcf5 | github | kernel | https://github.com/NetBSD/src/blob/74159c5b65be4f5b7abf2b9c3bdbc4f7b0dddcf5/sys/arch/sun3/sun3x/locore.s | 321 | 353 |
NetBSD/src:sys/arch/sun3/sun3x/locore.s:3 | movl #0x3F8107,%a0@ | map the low 1GB v=p with the
.long 0xf0100800 | transparent translation reg0
| [ pmove a0@, tt0 ]
| In order to map the kernel into high memory we will copy the root table
| entry which maps the 16 megabytes of memory starting at 0x0 into the
| entry which maps the 16 megabytes starting at... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun3/sun3x/locore.s | BSD-2-Clause | 84717b5c0311acf99ccc154c3714194745354b43 | github | kernel | https://github.com/NetBSD/src/blob/84717b5c0311acf99ccc154c3714194745354b43/sys/arch/sun3/sun3x/locore.s | 81 | 140 |
NetBSD/src:sys/arch/sun3/sun3x/locore.s:4 | .long 0xf0170800 | pmove sp@,tt0
addql #4,%sp
| Now that _bootstrap() is done using the PROM functions,
| we can safely set the sfc/dfc to something != FC_CONTROL
moveq #FC_USERD,%d0 | make movs access "user data"
movc %d0,%sfc | space for copyin/copyout
movc %d0,%dfc
| Setup process zero user/kernel stacks.
... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun3/sun3x/locore.s | BSD-2-Clause | 84717b5c0311acf99ccc154c3714194745354b43 | github | kernel | https://github.com/NetBSD/src/blob/84717b5c0311acf99ccc154c3714194745354b43/sys/arch/sun3/sun3x/locore.s | 121 | 180 |
NetBSD/src:sys/arch/sun3/sun3x/locore.s:5 | * 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 simply passed on to trap().
*/
GLOBAL(trace)
clrl %sp@- | stack adjust count
moveml #0xFFFF,%sp@-
moveq #T_TRACE,%d0
| Ch... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun3/sun3x/locore.s | BSD-2-Clause | 84717b5c0311acf99ccc154c3714194745354b43 | github | kernel | https://github.com/NetBSD/src/blob/84717b5c0311acf99ccc154c3714194745354b43/sys/arch/sun3/sun3x/locore.s | 161 | 220 |
NetBSD/src:sys/arch/sun3/sun3x/locore.s:6 | ASLOCAL(kbrkpt)
| Kernel-mode breakpoint or trace trap. (%d0=trap_type)
| Save the system sp rather than the user sp.
movw #PSL_HIGHIPL,%sr | lock out interrupts
lea %sp@(FR_SIZE),%a6 | Save stack pointer
movl %a6,%sp@(FR_SP) | from before trap
| If we are not on tmpstk switch to it.
| (so debugger can change... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun3/sun3x/locore.s | BSD-2-Clause | 84717b5c0311acf99ccc154c3714194745354b43 | github | kernel | https://github.com/NetBSD/src/blob/84717b5c0311acf99ccc154c3714194745354b43/sys/arch/sun3/sun3x/locore.s | 201 | 260 |
NetBSD/src:sys/arch/sun3/sun3x/locore.s:7 | moveml %sp@+,#0x7FFF | restore all but sp
movl %sp@,%sp | ... and sp
rte | all done
/*
* Interrupt handlers. Most are auto-vectored,
* and hard-wired the same way on all sun3 models.
* Format in the stack is:
* %d0,%d1,%a0,%a1, sr, pc, vo
*/
/* clock: see clock.c */
#ifdef __ELF__
.align 4
#else
.ali... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun3/sun3x/locore.s | BSD-2-Clause | 84717b5c0311acf99ccc154c3714194745354b43 | github | kernel | https://github.com/NetBSD/src/blob/84717b5c0311acf99ccc154c3714194745354b43/sys/arch/sun3/sun3x/locore.s | 241 | 300 |
NetBSD/src:sys/arch/sun3/sun3x/locore.s:8 | #ifdef DEBUG
.data
ASGLOBAL(fulltflush)
.long 0
ASGLOBAL(fullcflush)
.long 0
.text
#endif
ENTRY(ecacheon)
rts
ENTRY(ecacheoff)
rts
/*
* Load a new CPU Root Pointer (CRP) into the MMU.
* void loadcrp(struct mmu_rootptr *);
*/
ENTRY(loadcrp)
movl %sp@(4),%a0 | arg1: &CRP
movl #CACHE_CLR,%d0
movc %d0,%cacr... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun3/sun3x/locore.s | BSD-2-Clause | 84717b5c0311acf99ccc154c3714194745354b43 | github | kernel | https://github.com/NetBSD/src/blob/84717b5c0311acf99ccc154c3714194745354b43/sys/arch/sun3/sun3x/locore.s | 281 | 340 |
NetBSD/src:sys/arch/sun3/sun3x/locore.s:9 | movl %a0,%d0 | Result in %d0 (not a pointer return)
rts
/*
* _delay(unsigned N)
* Delay for at least (N/256) microseconds.
* This routine depends on the variable: delay_divisor
* which should be set based on the CPU clock rate.
* XXX: Currently this is set based on the CPU model,
* XXX: but this should be de... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun3/sun3x/locore.s | BSD-2-Clause | 84717b5c0311acf99ccc154c3714194745354b43 | github | kernel | https://github.com/NetBSD/src/blob/84717b5c0311acf99ccc154c3714194745354b43/sys/arch/sun3/sun3x/locore.s | 321 | 365 |
NetBSD/src:sys/arch/sun3/sun3x/locore.s:7 | moveml %sp@+,#0x7FFF | restore all but sp
movl %sp@,%sp | ... and sp
rte | all done
/*
* Interrupt handlers. Most are auto-vectored,
* and hard-wired the same way on all sun3 models.
* Format in the stack is:
* %d0,%d1,%a0,%a1, sr, pc, vo
*/
/* clock: see clock.c */
#ifdef __ELF__
.align 4
#else
.ali... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun3/sun3x/locore.s | BSD-2-Clause | a39353bf6b628008801a75f2010c6a02115acde7 | github | kernel | https://github.com/NetBSD/src/blob/a39353bf6b628008801a75f2010c6a02115acde7/sys/arch/sun3/sun3x/locore.s | 241 | 300 |
NetBSD/src:sys/arch/sun3/sun3x/locore.s:8 | /* suline() */
#ifdef DEBUG
.data
ASGLOBAL(fulltflush)
.long 0
ASGLOBAL(fullcflush)
.long 0
.text
#endif
ENTRY(ecacheon)
rts
ENTRY(ecacheoff)
rts
/*
* Load a new CPU Root Pointer (CRP) into the MMU.
* void loadcrp(struct mmu_rootptr *);
*/
ENTRY(loadcrp)
movl %sp@(4),%a0 | arg1: &CRP
movl #CACHE_CLR,%d0... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun3/sun3x/locore.s | BSD-2-Clause | a39353bf6b628008801a75f2010c6a02115acde7 | github | kernel | https://github.com/NetBSD/src/blob/a39353bf6b628008801a75f2010c6a02115acde7/sys/arch/sun3/sun3x/locore.s | 281 | 340 |
NetBSD/src:sys/arch/sun3/sun3x/locore.s:9 | movl %sp@(4),%a1 | VA
ptestr #5,%a1@,#7,%a0 | %a0 = addr of PTE
movl %a0,%d0 | Result in %d0 (not a pointer return)
rts
/*
* _delay(unsigned N)
* Delay for at least (N/256) microseconds.
* This routine depends on the variable: delay_divisor
* which should be set based on the CPU clock rate.
* XXX: Current... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun3/sun3x/locore.s | BSD-2-Clause | a39353bf6b628008801a75f2010c6a02115acde7 | github | kernel | https://github.com/NetBSD/src/blob/a39353bf6b628008801a75f2010c6a02115acde7/sys/arch/sun3/sun3x/locore.s | 321 | 367 |
NetBSD/src:sys/arch/sun3/sun3x/locore.s:4 | .long 0xf0170800 | pmove sp@,tt0
addql #4,%sp
| Now that _bootstrap() is done using the PROM functions,
| we can safely set the sfc/dfc to something != FC_CONTROL
moveq #FC_USERD,%d0 | make movs access "user data"
movc %d0,%sfc | space for copyin/copyout
movc %d0,%dfc
| Setup process zero user/kernel stacks.
... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun3/sun3x/locore.s | BSD-2-Clause | 0c68c1d9688de20a9c362bd84a74965ede947609 | github | kernel | https://github.com/NetBSD/src/blob/0c68c1d9688de20a9c362bd84a74965ede947609/sys/arch/sun3/sun3x/locore.s | 121 | 180 |
NetBSD/src:sys/arch/sun3/sun3x/locore.s:5 | * FP exceptions.
*/
GLOBAL(fpfline)
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
GLOBAL(fpunsupp)
clrl %sp@- | stack adjust count
moveml #0xFFFF,%sp@- | save registers
moveq #T_FPEMULD,%d0 | denote... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun3/sun3x/locore.s | BSD-2-Clause | 0c68c1d9688de20a9c362bd84a74965ede947609 | github | kernel | https://github.com/NetBSD/src/blob/0c68c1d9688de20a9c362bd84a74965ede947609/sys/arch/sun3/sun3x/locore.s | 161 | 220 |
NetBSD/src:sys/arch/sun3/sun3x/locore.s:6 | /*
* 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 simply passed on to trap().
*/
GLOBAL(trace)
clrl %sp@- | stack adjust count
moveml #0xFFFF,%sp@-
moveq #T_TRACE,%d0
... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun3/sun3x/locore.s | BSD-2-Clause | 0c68c1d9688de20a9c362bd84a74965ede947609 | github | kernel | https://github.com/NetBSD/src/blob/0c68c1d9688de20a9c362bd84a74965ede947609/sys/arch/sun3/sun3x/locore.s | 201 | 260 |
NetBSD/src:sys/arch/sun3/sun3x/locore.s:7 | ASLOCAL(kbrkpt)
| Kernel-mode breakpoint or trace trap. (%d0=trap_type)
| Save the system sp rather than the user sp.
movw #PSL_HIGHIPL,%sr | lock out interrupts
lea %sp@(FR_SIZE),%a6 | Save stack pointer
movl %a6,%sp@(FR_SP) | from before trap
| If we are not on tmpstk switch to it.
| (so debugger can change... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun3/sun3x/locore.s | BSD-2-Clause | 0c68c1d9688de20a9c362bd84a74965ede947609 | github | kernel | https://github.com/NetBSD/src/blob/0c68c1d9688de20a9c362bd84a74965ede947609/sys/arch/sun3/sun3x/locore.s | 241 | 300 |
NetBSD/src:sys/arch/sun3/sun3x/locore.s:8 | movl %a0,%sp@(FR_SP) | sp = h/w frame
moveml %sp@+,#0x7FFF | restore all but sp
movl %sp@,%sp | ... and sp
rte | all done
/*
* Interrupt handlers. Most are auto-vectored,
* and hard-wired the same way on all sun3 models.
* Format in the stack is:
* %d0,%d1,%a0,%a1, sr, pc, vo
*/
/* clock: see clock.c... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun3/sun3x/locore.s | BSD-2-Clause | 0c68c1d9688de20a9c362bd84a74965ede947609 | github | kernel | https://github.com/NetBSD/src/blob/0c68c1d9688de20a9c362bd84a74965ede947609/sys/arch/sun3/sun3x/locore.s | 281 | 340 |
NetBSD/src:sys/arch/sun3/sun3x/locore.s:9 | #include <m68k/m68k/switch_subr.s>
/* suline() */
#ifdef DEBUG
.data
ASGLOBAL(fulltflush)
.long 0
ASGLOBAL(fullcflush)
.long 0
.text
#endif
ENTRY(ecacheon)
rts
ENTRY(ecacheoff)
rts
/*
* Load a new CPU Root Pointer (CRP) into the MMU.
* void loadcrp(struct mmu_rootptr *);
*/
ENTRY(loadcrp)
movl %sp@(4),%... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun3/sun3x/locore.s | BSD-2-Clause | 0c68c1d9688de20a9c362bd84a74965ede947609 | github | kernel | https://github.com/NetBSD/src/blob/0c68c1d9688de20a9c362bd84a74965ede947609/sys/arch/sun3/sun3x/locore.s | 321 | 380 |
NetBSD/src:sys/arch/sun3/sun3x/locore.s:10 | ENTRY(ptest_addr)
movl %sp@(4),%a1 | VA
ptestr #5,%a1@,#7,%a0 | %a0 = addr of PTE
movl %a0,%d0 | Result in %d0 (not a pointer return)
rts
/*
* _delay(unsigned N)
* Delay for at least (N/256) microseconds.
* This routine depends on the variable: delay_divisor
* which should be set based on the CPU clock ra... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun3/sun3x/locore.s | BSD-2-Clause | 0c68c1d9688de20a9c362bd84a74965ede947609 | github | kernel | https://github.com/NetBSD/src/blob/0c68c1d9688de20a9c362bd84a74965ede947609/sys/arch/sun3/sun3x/locore.s | 361 | 408 |
NetBSD/src:sys/arch/sun3/sun3x/locore.s:5 | * FP exceptions.
*/
GLOBAL(fpfline)
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
GLOBAL(fpunsupp)
clrl %sp@- | stack adjust count
moveml #0xFFFF,%sp@- | save registers
moveq #T_FPEMULD,%d0 | denote... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun3/sun3x/locore.s | BSD-2-Clause | 9a0dbd044da39c7df3a3ef7bf2d3ebc8cfae0f6c | github | kernel | https://github.com/NetBSD/src/blob/9a0dbd044da39c7df3a3ef7bf2d3ebc8cfae0f6c/sys/arch/sun3/sun3x/locore.s | 161 | 220 |
NetBSD/src:sys/arch/sun3/sun3x/locore.s:6 | /*
* Other exceptions only cause four and six word stack frame and require
* no post-trap stack adjustment.
*/
GLOBAL(badtrap)
clrl %sp@- | stack adjust count
moveml #0xFFFF,%sp@- | save std frame regs
jbsr _C_LABEL(straytrap) | report
moveml %sp@+,#0xFFFF | restore regs
addql #4,%sp | stack adjust count
... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun3/sun3x/locore.s | BSD-2-Clause | 9a0dbd044da39c7df3a3ef7bf2d3ebc8cfae0f6c | github | kernel | https://github.com/NetBSD/src/blob/9a0dbd044da39c7df3a3ef7bf2d3ebc8cfae0f6c/sys/arch/sun3/sun3x/locore.s | 201 | 260 |
NetBSD/src:sys/arch/sun3/sun3x/locore.s:7 | jbsr _C_LABEL(cachectl1) | do it
lea %sp@(16),%sp | pop args
jra _ASM_LABEL(rei) | all done
/*
* Trace (single-step) trap. Kernel-mode is special.
* User mode traps are simply passed on to trap().
*/
GLOBAL(trace)
clrl %sp@- | stack adjust count
moveml #0xFFFF,%sp@-
moveq #T_TRACE,%d0
| Check PSW and se... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun3/sun3x/locore.s | BSD-2-Clause | 9a0dbd044da39c7df3a3ef7bf2d3ebc8cfae0f6c | github | kernel | https://github.com/NetBSD/src/blob/9a0dbd044da39c7df3a3ef7bf2d3ebc8cfae0f6c/sys/arch/sun3/sun3x/locore.s | 241 | 300 |
NetBSD/src:sys/arch/sun3/sun3x/locore.s:9 | moveml %sp@+,#0x7FFF | restore all but sp
movl %sp@,%sp | ... and sp
rte | all done
/*
* Interrupt handlers. Most are auto-vectored,
* and hard-wired the same way on all sun3 models.
* Format in the stack is:
* %d0,%d1,%a0,%a1, sr, pc, vo
*/
/* clock: see clock.c */
#ifdef __ELF__
.align 4
#else
.ali... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun3/sun3x/locore.s | BSD-2-Clause | 9a0dbd044da39c7df3a3ef7bf2d3ebc8cfae0f6c | github | kernel | https://github.com/NetBSD/src/blob/9a0dbd044da39c7df3a3ef7bf2d3ebc8cfae0f6c/sys/arch/sun3/sun3x/locore.s | 321 | 380 |
NetBSD/src:sys/arch/sun3/sun3x/locore.s:10 | ASGLOBAL(rei)
#ifdef DIAGNOSTIC
tstl _C_LABEL(panicstr) | have we panicked?
jne Ldorte | yes, do not make matters worse
#endif
tstl _C_LABEL(astpending) | AST pending?
jeq Ldorte | no, done
Lrei1:
btst #5,%sp@ | yes, are we returning to user mode?
jne Ldorte | no, done
movw #PSL_LOWIPL,%sr | lower SPL
... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun3/sun3x/locore.s | BSD-2-Clause | 9a0dbd044da39c7df3a3ef7bf2d3ebc8cfae0f6c | github | kernel | https://github.com/NetBSD/src/blob/9a0dbd044da39c7df3a3ef7bf2d3ebc8cfae0f6c/sys/arch/sun3/sun3x/locore.s | 361 | 420 |
NetBSD/src:sys/arch/sun3/sun3x/locore.s:11 | rte | real return
/*
* Initialization is at the beginning of this file, because the
* kernel entry point needs to be at zero for compatibility with
* the Sun boot loader. This works on Sun machines because the
* interrupt vector table for reset is NOT at address zero.
* (The MMU has a "boot" bit that forces a... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun3/sun3x/locore.s | BSD-2-Clause | 9a0dbd044da39c7df3a3ef7bf2d3ebc8cfae0f6c | github | kernel | https://github.com/NetBSD/src/blob/9a0dbd044da39c7df3a3ef7bf2d3ebc8cfae0f6c/sys/arch/sun3/sun3x/locore.s | 401 | 460 |
NetBSD/src:sys/arch/sun3/sun3x/locore.s:12 | * void loadcrp(struct mmu_rootptr *);
*/
ENTRY(loadcrp)
movl %sp@(4),%a0 | arg1: &CRP
movl #CACHE_CLR,%d0
movc %d0,%cacr | invalidate cache(s)
pflusha | flush entire TLB
pmove %a0@,%crp | load new user root pointer
rts
ENTRY(getcrp)
movl %sp@(4),%a0 | arg1: &crp
pmove %crp,%a0@ | *crpp = %crp
rts
/*... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun3/sun3x/locore.s | BSD-2-Clause | 9a0dbd044da39c7df3a3ef7bf2d3ebc8cfae0f6c | github | kernel | https://github.com/NetBSD/src/blob/9a0dbd044da39c7df3a3ef7bf2d3ebc8cfae0f6c/sys/arch/sun3/sun3x/locore.s | 441 | 500 |
NetBSD/src:sys/arch/sun3/sun3x/locore.s:13 | * Align the branch target of the loop to a half-line (8-byte)
* boundary to minimize cache effects. This guarantees both
* that there will be no prefetch stalls due to cache line burst
* operations and that the loop will run from a single cache
* half-line.
*/
#ifdef __ELF__
.align 8
#else
.align 3
#endif
... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun3/sun3x/locore.s | BSD-2-Clause | 9a0dbd044da39c7df3a3ef7bf2d3ebc8cfae0f6c | github | kernel | https://github.com/NetBSD/src/blob/9a0dbd044da39c7df3a3ef7bf2d3ebc8cfae0f6c/sys/arch/sun3/sun3x/locore.s | 481 | 506 |
NetBSD/src:sys/arch/sun3/sun3x/locore.s:4 | .long 0xf0170800 | pmove sp@,tt0
addql #4,%sp
| Now that _bootstrap() is done using the PROM functions,
| we can safely set the sfc/dfc to something != FC_CONTROL
moveq #FC_USERD,%d0 | make movs access "user data"
movc %d0,%sfc | space for copyin/copyout
movc %d0,%dfc
| Setup process zero user/kernel stacks.
... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun3/sun3x/locore.s | BSD-2-Clause | 7a50df7f13f44282c494a158ccac105d4d8e3c64 | github | kernel | https://github.com/NetBSD/src/blob/7a50df7f13f44282c494a158ccac105d4d8e3c64/sys/arch/sun3/sun3x/locore.s | 121 | 180 |
NetBSD/src:sys/arch/sun3/sun3x/locore.s:5 | * Trap/interrupt vector routines
*/
#include <m68k/m68k/trap_subr.s>
/*
* FP exceptions.
*/
GLOBAL(fpfline)
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
GLOBAL(fpunsupp)
clrl %sp@- | stack adjust co... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun3/sun3x/locore.s | BSD-2-Clause | 7a50df7f13f44282c494a158ccac105d4d8e3c64 | github | kernel | https://github.com/NetBSD/src/blob/7a50df7f13f44282c494a158ccac105d4d8e3c64/sys/arch/sun3/sun3x/locore.s | 161 | 220 |
NetBSD/src:sys/arch/sun3/sun3x/locore.s:6 | fmovem %fpsr,%sp@- | push fpsr as code argument
frestore %a0@ | restore state
movl #T_FPERR,%sp@- | push type arg
jra _ASM_LABEL(faultstkadj) | call trap and deal with stack cleanup
/*
* Other exceptions only cause four and six word stack frame and require
* no post-trap stack adjustment.
*/
GLOBAL(badtrap)
cl... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun3/sun3x/locore.s | BSD-2-Clause | 7a50df7f13f44282c494a158ccac105d4d8e3c64 | github | kernel | https://github.com/NetBSD/src/blob/7a50df7f13f44282c494a158ccac105d4d8e3c64/sys/arch/sun3/sun3x/locore.s | 201 | 260 |
NetBSD/src:sys/arch/sun3/sun3x/locore.s:7 | movl _C_LABEL(curlwp),%a0
movl %a0@(L_PROC),%sp@- | push curproc 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) trap. Kernel-mode is special.... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun3/sun3x/locore.s | BSD-2-Clause | 7a50df7f13f44282c494a158ccac105d4d8e3c64 | github | kernel | https://github.com/NetBSD/src/blob/7a50df7f13f44282c494a158ccac105d4d8e3c64/sys/arch/sun3/sun3x/locore.s | 241 | 300 |
NetBSD/src:sys/arch/sun3/sun3x/locore.s:8 | moveq #T_TRAP15,%d0
btst #5,%sp@(FR_HW) | was supervisor mode?
jne _ASM_LABEL(kbrkpt) | yes, kernel brkpt
jra _ASM_LABEL(fault) | no, user-mode fault
ASLOCAL(kbrkpt)
| Kernel-mode breakpoint or trace trap. (%d0=trap_type)
| Save the system sp rather than the user sp.
movw #PSL_HIGHIPL,%sr | lock out interrupts... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun3/sun3x/locore.s | BSD-2-Clause | 7a50df7f13f44282c494a158ccac105d4d8e3c64 | github | kernel | https://github.com/NetBSD/src/blob/7a50df7f13f44282c494a158ccac105d4d8e3c64/sys/arch/sun3/sun3x/locore.s | 281 | 340 |
NetBSD/src:sys/arch/sun3/sun3x/locore.s:9 | 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
/*
* Interrupt handlers. Most ... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun3/sun3x/locore.s | BSD-2-Clause | 7a50df7f13f44282c494a158ccac105d4d8e3c64 | github | kernel | https://github.com/NetBSD/src/blob/7a50df7f13f44282c494a158ccac105d4d8e3c64/sys/arch/sun3/sun3x/locore.s | 321 | 380 |
NetBSD/src:sys/arch/sun3/sun3x/locore.s:10 | * drop the IPL to allow device interrupts.
*
* This code is complicated by the fact that sendsig may have been called
* necessitating a stack cleanup.
*/
ASGLOBAL(rei)
#ifdef DIAGNOSTIC
tstl _C_LABEL(panicstr) | have we panicked?
jne Ldorte | yes, do not make matters worse
#endif
tstl _C_LABEL(astpending) | A... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun3/sun3x/locore.s | BSD-2-Clause | 7a50df7f13f44282c494a158ccac105d4d8e3c64 | github | kernel | https://github.com/NetBSD/src/blob/7a50df7f13f44282c494a158ccac105d4d8e3c64/sys/arch/sun3/sun3x/locore.s | 361 | 420 |
NetBSD/src:sys/arch/sun3/sun3x/locore.s:11 | movl %a1@-,%a0@- | 8 bytes
movl %a0,%sp@(FR_SP) | new SSP
moveml %sp@+,#0x7FFF | restore user registers
movl %sp@,%sp | and our SP
Ldorte:
rte | real return
/*
* Initialization is at the beginning of this file, because the
* kernel entry point needs to be at zero for compatibility with
* the Sun boot lo... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun3/sun3x/locore.s | BSD-2-Clause | 7a50df7f13f44282c494a158ccac105d4d8e3c64 | github | kernel | https://github.com/NetBSD/src/blob/7a50df7f13f44282c494a158ccac105d4d8e3c64/sys/arch/sun3/sun3x/locore.s | 401 | 460 |
NetBSD/src:sys/arch/sun3/sun3x/locore.s:12 | ENTRY(ecacheoff)
rts
/*
* Load a new CPU Root Pointer (CRP) into the MMU.
* void loadcrp(struct mmu_rootptr *);
*/
ENTRY(loadcrp)
movl %sp@(4),%a0 | arg1: &CRP
movl #CACHE_CLR,%d0
movc %d0,%cacr | invalidate cache(s)
pflusha | flush entire TLB
pmove %a0@,%crp | load new user root pointer
rts
ENTRY(get... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun3/sun3x/locore.s | BSD-2-Clause | 7a50df7f13f44282c494a158ccac105d4d8e3c64 | github | kernel | https://github.com/NetBSD/src/blob/7a50df7f13f44282c494a158ccac105d4d8e3c64/sys/arch/sun3/sun3x/locore.s | 441 | 500 |
NetBSD/src:sys/arch/sun3/sun3x/locore.s:13 | | %d1 = delay_divisor;
movl _C_LABEL(delay_divisor),%d1
jra L_delay /* Jump into the loop! */
/*
* Align the branch target of the loop to a half-line (8-byte)
* boundary to minimize cache effects. This guarantees both
* that there will be no prefetch stalls due to cache line burst
* operations and that t... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun3/sun3x/locore.s | BSD-2-Clause | 7a50df7f13f44282c494a158ccac105d4d8e3c64 | github | kernel | https://github.com/NetBSD/src/blob/7a50df7f13f44282c494a158ccac105d4d8e3c64/sys/arch/sun3/sun3x/locore.s | 481 | 511 |
NetBSD/src:sys/arch/sun3/sun3x/locore.s:4 | .long 0xf0170800 | pmove sp@,tt0
addql #4,%sp
| Now that _bootstrap() is done using the PROM functions,
| we can safely set the sfc/dfc to something != FC_CONTROL
moveq #FC_USERD,%d0 | make movs access "user data"
movc %d0,%sfc | space for copyin/copyout
movc %d0,%dfc
| Setup process zero user/kernel stacks.
... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun3/sun3x/locore.s | BSD-2-Clause | 6279c1e992621a887496dc9278adf6ed8aff06c5 | github | kernel | https://github.com/NetBSD/src/blob/6279c1e992621a887496dc9278adf6ed8aff06c5/sys/arch/sun3/sun3x/locore.s | 121 | 180 |
NetBSD/src:sys/arch/sun3/sun3x/locore.s:5 | * Trap/interrupt vector routines
*/
#include <m68k/m68k/trap_subr.s>
GLOBAL(buserr)
tstl _C_LABEL(nofault) | device probe?
jeq _C_LABEL(addrerr) | no, handle as usual
movl _C_LABEL(nofault),%sp@- | yes,
jbsr _C_LABEL(longjmp) | longjmp(nofault)
GLOBAL(addrerr)
clrl %sp@- | stack adjust count
moveml #0xFFFF,%... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun3/sun3x/locore.s | BSD-2-Clause | 6279c1e992621a887496dc9278adf6ed8aff06c5 | github | kernel | https://github.com/NetBSD/src/blob/6279c1e992621a887496dc9278adf6ed8aff06c5/sys/arch/sun3/sun3x/locore.s | 161 | 220 |
NetBSD/src:sys/arch/sun3/sun3x/locore.s:6 | btst #15,%d0 | FC set?
jeq Lbe10 | no, done
addql #2,%d1 | yes, adjust address
jra Lbe10 | done
Lbe4:
movl %a1@(36),%d1 | long format, use stage B address
btst #15,%d0 | FC set?
jeq Lbe10 | no, all done
subql #2,%d1 | yes, adjust address
Lbe10:
movl %d1,%sp@- | push fault VA
movl %d0,%sp@- | a... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun3/sun3x/locore.s | BSD-2-Clause | 6279c1e992621a887496dc9278adf6ed8aff06c5 | github | kernel | https://github.com/NetBSD/src/blob/6279c1e992621a887496dc9278adf6ed8aff06c5/sys/arch/sun3/sun3x/locore.s | 201 | 260 |
NetBSD/src:sys/arch/sun3/sun3x/locore.s:7 | andw #0xc0,%d0 | write protect is set on page:
cmpw #0x40,%d0 | was it read cycle?
jeq Lisberr1 | yes, was not WPE, must be bus err
/* End of MMU-specific bus error code. */
Lismerr:
movl #T_MMUFLT,%sp@- | show that we are an MMU fault
jra _ASM_LABEL(faultstkadj) | and deal with it
Lisaerr:
movl #T_ADDRERR,%s... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun3/sun3x/locore.s | BSD-2-Clause | 6279c1e992621a887496dc9278adf6ed8aff06c5 | github | kernel | https://github.com/NetBSD/src/blob/6279c1e992621a887496dc9278adf6ed8aff06c5/sys/arch/sun3/sun3x/locore.s | 241 | 300 |
NetBSD/src:sys/arch/sun3/sun3x/locore.s:8 | moveml #0xFFFF,%sp@- | save user registers
movl %usp,%a0 | and save
movl %a0,%sp@(FR_SP) | the user stack pointer
clrl %sp@- | no VA arg
movl _C_LABEL(curpcb),%a0 | current pcb
lea %a0@(PCB_FPCTX),%a0 | address of FP savearea
fsave %a0@ | save state
tstb %a0@ | null state frame?
jeq Lfptnull | yes, safe
c... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun3/sun3x/locore.s | BSD-2-Clause | 6279c1e992621a887496dc9278adf6ed8aff06c5 | github | kernel | https://github.com/NetBSD/src/blob/6279c1e992621a887496dc9278adf6ed8aff06c5/sys/arch/sun3/sun3x/locore.s | 281 | 340 |
NetBSD/src:sys/arch/sun3/sun3x/locore.s:9 | addql #4,%sp | pop syscall arg
movl %sp@(FR_SP),%a0 | grab and restore
movl %a0,%usp | user SP
moveml %sp@+,#0x7FFF | restore most registers
addql #8,%sp | pop SP and stack adjust
jra _ASM_LABEL(rei) | all done
/*
* Trap 12 is the entry point for the cachectl "syscall"
* cachectl(command, addr, length... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun3/sun3x/locore.s | BSD-2-Clause | 6279c1e992621a887496dc9278adf6ed8aff06c5 | github | kernel | https://github.com/NetBSD/src/blob/6279c1e992621a887496dc9278adf6ed8aff06c5/sys/arch/sun3/sun3x/locore.s | 321 | 380 |
NetBSD/src:sys/arch/sun3/sun3x/locore.s:10 | jeq _ASM_LABEL(kbrkpt) | yes, kernel brkpt
jra _ASM_LABEL(fault) | no, user-mode fault
/*
* Trap 15 is used for:
* - GDB breakpoints (in user programs)
* - KGDB breakpoints (in the kernel)
* - trace traps for SUN binaries (not fully supported yet)
* User mode traps are simply passed to trap().
*/
GLOBAL(trap15... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun3/sun3x/locore.s | BSD-2-Clause | 6279c1e992621a887496dc9278adf6ed8aff06c5 | github | kernel | https://github.com/NetBSD/src/blob/6279c1e992621a887496dc9278adf6ed8aff06c5/sys/arch/sun3/sun3x/locore.s | 361 | 420 |
NetBSD/src:sys/arch/sun3/sun3x/locore.s:11 | Lbrkpt2:
| Call the trap handler for the kernel debugger.
| Do not call trap() to handle it, so that we can
| set breakpoints in trap() if we want. We know
| the trap type is either T_TRACE or T_BREAKPOINT.
movl %d0,%sp@- | push trap type
jbsr _C_LABEL(trap_kdebug)
addql #4,%sp | pop args
| The stack point... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun3/sun3x/locore.s | BSD-2-Clause | 6279c1e992621a887496dc9278adf6ed8aff06c5 | github | kernel | https://github.com/NetBSD/src/blob/6279c1e992621a887496dc9278adf6ed8aff06c5/sys/arch/sun3/sun3x/locore.s | 401 | 460 |
NetBSD/src:sys/arch/sun3/sun3x/locore.s:12 | /*
* Emulation of VAX REI instruction.
*
* This code is (mostly) un-altered from the hp300 code,
* except that sun machines do not need a simulated SIR
* because they have a real software interrupt register.
*
* This code deals with checking for and servicing ASTs
* (profiling, scheduling) and software interrup... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun3/sun3x/locore.s | BSD-2-Clause | 6279c1e992621a887496dc9278adf6ed8aff06c5 | github | kernel | https://github.com/NetBSD/src/blob/6279c1e992621a887496dc9278adf6ed8aff06c5/sys/arch/sun3/sun3x/locore.s | 441 | 500 |
NetBSD/src:sys/arch/sun3/sun3x/locore.s:13 | movl %sp@(FR_SP),%a0 | restore user SP
movl %a0,%usp | from save area
movw %sp@(FR_ADJ),%d0 | need to adjust stack?
jne Laststkadj | yes, go to it
moveml %sp@+,#0x7FFF | no, restore most user regs
addql #8,%sp | toss SP and stack adjust
rte | and do real RTE
Laststkadj:
lea %sp@(FR_HW),%a1 | pointer ... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun3/sun3x/locore.s | BSD-2-Clause | 6279c1e992621a887496dc9278adf6ed8aff06c5 | github | kernel | https://github.com/NetBSD/src/blob/6279c1e992621a887496dc9278adf6ed8aff06c5/sys/arch/sun3/sun3x/locore.s | 481 | 540 |
NetBSD/src:sys/arch/sun3/sun3x/locore.s:14 | #ifdef DEBUG
.data
ASGLOBAL(fulltflush)
.long 0
ASGLOBAL(fullcflush)
.long 0
.text
#endif
ENTRY(ecacheon)
rts
ENTRY(ecacheoff)
rts
/*
* Load a new CPU Root Pointer (CRP) into the MMU.
* void loadcrp(struct mmu_rootptr *);
*/
ENTRY(loadcrp)
movl %sp@(4),%a0 | arg1: &CRP
movl #CACHE_CLR,%d0
movc %d0,%cacr... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun3/sun3x/locore.s | BSD-2-Clause | 6279c1e992621a887496dc9278adf6ed8aff06c5 | github | kernel | https://github.com/NetBSD/src/blob/6279c1e992621a887496dc9278adf6ed8aff06c5/sys/arch/sun3/sun3x/locore.s | 521 | 580 |
NetBSD/src:sys/arch/sun3/sun3x/locore.s:15 | rts
/*
* _delay(unsigned N)
* Delay for at least (N/256) microseconds.
* This routine depends on the variable: delay_divisor
* which should be set based on the CPU clock rate.
* XXX: Currently this is set based on the CPU model,
* XXX: but this should be determined at run time...
*/
GLOBAL(_delay)
| %d0 = arg... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun3/sun3x/locore.s | BSD-2-Clause | 6279c1e992621a887496dc9278adf6ed8aff06c5 | github | kernel | https://github.com/NetBSD/src/blob/6279c1e992621a887496dc9278adf6ed8aff06c5/sys/arch/sun3/sun3x/locore.s | 561 | 604 |
NetBSD/src:sys/arch/sun3/sun3x/locore.s:13 | movl %sp@(FR_SP),%a0 | restore user SP
movl %a0,%usp | from save area
movw %sp@(FR_ADJ),%d0 | need to adjust stack?
jne Laststkadj | yes, go to it
moveml %sp@+,#0x7FFF | no, restore most user regs
addql #8,%sp | toss SP and stack adjust
rte | and do real RTE
Laststkadj:
lea %sp@(FR_HW),%a1 | pointer ... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun3/sun3x/locore.s | BSD-2-Clause | c935f8294f8dbedb30d0ac8738963ee40ec9a39a | github | kernel | https://github.com/NetBSD/src/blob/c935f8294f8dbedb30d0ac8738963ee40ec9a39a/sys/arch/sun3/sun3x/locore.s | 481 | 540 |
NetBSD/src:sys/arch/sun3/sun3x/locore.s:14 | */
/*
* Use common m68k process/lwp switch and context save subroutines.
*/
#define FPCOPROC /* XXX: Temp. Reqd. */
#include <m68k/m68k/switch_subr.s>
/* suline() */
#ifdef DEBUG
.data
ASGLOBAL(fulltflush)
.long 0
ASGLOBAL(fullcflush)
.long 0
.text
#endif
ENTRY(ecacheon)
rts
ENTRY(ecacheoff)
rts
/*
* Lo... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun3/sun3x/locore.s | BSD-2-Clause | c935f8294f8dbedb30d0ac8738963ee40ec9a39a | github | kernel | https://github.com/NetBSD/src/blob/c935f8294f8dbedb30d0ac8738963ee40ec9a39a/sys/arch/sun3/sun3x/locore.s | 521 | 580 |
NetBSD/src:sys/arch/sun3/sun3x/locore.s:15 | pmove %crp,%a0@ | *crpp = %crp
rts
/*
* Get the physical address of the PTE for a given VA.
*/
ENTRY(ptest_addr)
movl %sp@(4),%a1 | VA
ptestr #5,%a1@,#7,%a0 | %a0 = addr of PTE
movl %a0,%d0 | Result in %d0 (not a pointer return)
rts
/*
* _delay(unsigned N)
* Delay for at least (N/256) microseconds.
* T... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun3/sun3x/locore.s | BSD-2-Clause | c935f8294f8dbedb30d0ac8738963ee40ec9a39a | github | kernel | https://github.com/NetBSD/src/blob/c935f8294f8dbedb30d0ac8738963ee40ec9a39a/sys/arch/sun3/sun3x/locore.s | 561 | 614 |
NetBSD/src:sys/arch/sun3/sun3x/locore.s:16 | subl %d1,%d0
jgt L_delay
rts
| Define some addresses, mostly so DDB can print useful info.
| Not using _C_LABEL() here because these symbols are never
| referenced by any C code, and if the leading underscore
| ever goes away, these lines turn into syntax errors...
.set _KERNBASE3X,KERNBASE3X
.set _MONSTART,SUN3X_... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun3/sun3x/locore.s | BSD-2-Clause | c935f8294f8dbedb30d0ac8738963ee40ec9a39a | github | kernel | https://github.com/NetBSD/src/blob/c935f8294f8dbedb30d0ac8738963ee40ec9a39a/sys/arch/sun3/sun3x/locore.s | 601 | 614 |
NetBSD/src:sys/arch/sun3/sun3x/locore.s:11 | Lbrkpt2:
| Call the trap handler for the kernel debugger.
| Do not call trap() to handle it, so that we can
| set breakpoints in trap() if we want. We know
| the trap type is either T_TRACE or T_BREAKPOINT.
movl %d0,%sp@- | push trap type
jbsr _C_LABEL(trap_kdebug)
addql #4,%sp | pop args
| The stack point... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun3/sun3x/locore.s | BSD-2-Clause | 703d1d4836bbf6504f494e94d6287e898624ade1 | github | kernel | https://github.com/NetBSD/src/blob/703d1d4836bbf6504f494e94d6287e898624ade1/sys/arch/sun3/sun3x/locore.s | 401 | 460 |
NetBSD/src:sys/arch/sun3/sun3x/locore.s:12 | jbsr _C_LABEL(clock_intr)
INTERRUPT_RESTOREREG
jra _ASM_LABEL(rei)
/*
* Emulation of VAX REI instruction.
*
* This code is (mostly) un-altered from the hp300 code,
* except that sun machines do not need a simulated SIR
* because they have a real software interrupt register.
*
* This code deals with checking f... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun3/sun3x/locore.s | BSD-2-Clause | 703d1d4836bbf6504f494e94d6287e898624ade1 | github | kernel | https://github.com/NetBSD/src/blob/703d1d4836bbf6504f494e94d6287e898624ade1/sys/arch/sun3/sun3x/locore.s | 441 | 500 |
NetBSD/src:sys/arch/sun3/sun3x/locore.s:13 | pea %sp@(12) | fp == address of trap frame
jbsr _C_LABEL(trap) | go handle it
lea %sp@(16),%sp | pop value args
movl %sp@(FR_SP),%a0 | restore user SP
movl %a0,%usp | from save area
movw %sp@(FR_ADJ),%d0 | need to adjust stack?
jne Laststkadj | yes, go to it
moveml %sp@+,#0x7FFF | no, restore most user ... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun3/sun3x/locore.s | BSD-2-Clause | 703d1d4836bbf6504f494e94d6287e898624ade1 | github | kernel | https://github.com/NetBSD/src/blob/703d1d4836bbf6504f494e94d6287e898624ade1/sys/arch/sun3/sun3x/locore.s | 481 | 540 |
NetBSD/src:sys/arch/sun3/sun3x/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>
/* suline() */
#ifdef DEBUG
.data
ASGLOBAL(fulltflush)
.long 0
ASGLOBAL(fullcflush)
.long 0
.text
#endif
ENTRY(ecacheon)
rts
ENTRY(ecacheo... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun3/sun3x/locore.s | BSD-2-Clause | 703d1d4836bbf6504f494e94d6287e898624ade1 | github | kernel | https://github.com/NetBSD/src/blob/703d1d4836bbf6504f494e94d6287e898624ade1/sys/arch/sun3/sun3x/locore.s | 521 | 580 |
NetBSD/src:sys/arch/sun3/sun3x/locore.s:13 | pea %sp@(12) | fp == address of trap frame
jbsr _C_LABEL(trap) | go handle it
lea %sp@(16),%sp | pop value args
movl %sp@(FR_SP),%a0 | restore user SP
movl %a0,%usp | from save area
movw %sp@(FR_ADJ),%d0 | need to adjust stack?
jne Laststkadj | yes, go to it
moveml %sp@+,#0x7FFF | no, restore most user ... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun3/sun3x/locore.s | BSD-2-Clause | 9ded135d26381ecef53f4a4fe2673ca1a63a0c55 | github | kernel | https://github.com/NetBSD/src/blob/9ded135d26381ecef53f4a4fe2673ca1a63a0c55/sys/arch/sun3/sun3x/locore.s | 481 | 540 |
NetBSD/src:sys/arch/sun3/sun3x/locore.s:14 | /*
* Primitives
*/
/*
* Use common m68k support routines.
*/
#include <m68k/m68k/support.s>
/*
* Use common m68k process/lwp switch and context save subroutines.
*/
#define FPCOPROC /* XXX: Temp. Reqd. */
#include <m68k/m68k/switch_subr.s>
/* suline() */
#ifdef DEBUG
.data
ASGLOBAL(fulltflush)
.long 0
ASGL... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun3/sun3x/locore.s | BSD-2-Clause | 9ded135d26381ecef53f4a4fe2673ca1a63a0c55 | github | kernel | https://github.com/NetBSD/src/blob/9ded135d26381ecef53f4a4fe2673ca1a63a0c55/sys/arch/sun3/sun3x/locore.s | 521 | 580 |
NetBSD/src:sys/arch/sun3/sun3x/locore.s:15 | movl #CACHE_CLR,%d0
movc %d0,%cacr | invalidate cache(s)
pflusha | flush entire TLB
pmove %a0@,%crp | load new user root pointer
rts
ENTRY(getcrp)
movl %sp@(4),%a0 | arg1: &crp
pmove %crp,%a0@ | *crpp = %crp
rts
/*
* Get the physical address of the PTE for a given VA.
*/
ENTRY(ptest_addr)
movl %sp@(4... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun3/sun3x/locore.s | BSD-2-Clause | 9ded135d26381ecef53f4a4fe2673ca1a63a0c55 | github | kernel | https://github.com/NetBSD/src/blob/9ded135d26381ecef53f4a4fe2673ca1a63a0c55/sys/arch/sun3/sun3x/locore.s | 561 | 620 |
NetBSD/src:sys/arch/sun3/sun3x/locore.s:16 | * half-line.
*/
#ifdef __ELF__
.align 8
#else
.align 3
#endif
L_delay:
subl %d1,%d0
jgt L_delay
rts
| Define some addresses, mostly so DDB can print useful info.
| Not using _C_LABEL() here because these symbols are never
| referenced by any C code, and if the leading underscore
| ever goes away, these lines tu... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun3/sun3x/locore.s | BSD-2-Clause | 9ded135d26381ecef53f4a4fe2673ca1a63a0c55 | github | kernel | https://github.com/NetBSD/src/blob/9ded135d26381ecef53f4a4fe2673ca1a63a0c55/sys/arch/sun3/sun3x/locore.s | 601 | 622 |
NetBSD/src:sys/arch/sun3/sun3x/locore.s:11 | Lbrkpt2:
| Call the trap handler for the kernel debugger.
| Do not call trap() to handle it, so that we can
| set breakpoints in trap() if we want. We know
| the trap type is either T_TRACE or T_BREAKPOINT.
movl %d0,%sp@- | push trap type
jbsr _C_LABEL(trap_kdebug)
addql #4,%sp | pop args
| The stack point... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun3/sun3x/locore.s | BSD-2-Clause | 44ce13b2c4665234fd2e3670e5cff2eab40c6199 | github | kernel | https://github.com/NetBSD/src/blob/44ce13b2c4665234fd2e3670e5cff2eab40c6199/sys/arch/sun3/sun3x/locore.s | 401 | 460 |
NetBSD/src:sys/arch/sun3/sun3x/locore.s:12 | jbsr _C_LABEL(clock_intr)
INTERRUPT_RESTOREREG
jra _ASM_LABEL(rei)
/* interrupt counters (needed by vmstat) */
GLOBAL(intrnames)
.asciz "spur" | 0
.asciz "lev1" | 1
.asciz "lev2" | 2
.asciz "lev3" | 3
.asciz "lev4" | 4
.asciz "clock" | 5
.asciz "lev6" | 6
.asciz "nmi" | 7
GLOBAL(eintrnames)
.data
.even
GL... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun3/sun3x/locore.s | BSD-2-Clause | 44ce13b2c4665234fd2e3670e5cff2eab40c6199 | github | kernel | https://github.com/NetBSD/src/blob/44ce13b2c4665234fd2e3670e5cff2eab40c6199/sys/arch/sun3/sun3x/locore.s | 441 | 500 |
NetBSD/src:sys/arch/sun3/sun3x/locore.s:13 | ASGLOBAL(rei)
#ifdef DIAGNOSTIC
tstl _C_LABEL(panicstr) | have we panicked?
jne Ldorte | yes, do not make matters worse
#endif
tstl _C_LABEL(astpending) | AST pending?
jeq Ldorte | no, done
Lrei1:
btst #5,%sp@ | yes, are we returning to user mode?
jne Ldorte | no, done
movw #PSL_LOWIPL,%sr | lower SPL
... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun3/sun3x/locore.s | BSD-2-Clause | 44ce13b2c4665234fd2e3670e5cff2eab40c6199 | github | kernel | https://github.com/NetBSD/src/blob/44ce13b2c4665234fd2e3670e5cff2eab40c6199/sys/arch/sun3/sun3x/locore.s | 481 | 540 |
NetBSD/src:sys/arch/sun3/sun3x/locore.s:14 | rte | real return
/*
* Initialization is at the beginning of this file, because the
* kernel entry point needs to be at zero for compatibility with
* the Sun boot loader. This works on Sun machines because the
* interrupt vector table for reset is NOT at address zero.
* (The MMU has a "boot" bit that forces a... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun3/sun3x/locore.s | BSD-2-Clause | 44ce13b2c4665234fd2e3670e5cff2eab40c6199 | github | kernel | https://github.com/NetBSD/src/blob/44ce13b2c4665234fd2e3670e5cff2eab40c6199/sys/arch/sun3/sun3x/locore.s | 521 | 580 |
NetBSD/src:sys/arch/sun3/sun3x/locore.s:15 | ASGLOBAL(fulltflush)
.long 0
ASGLOBAL(fullcflush)
.long 0
.text
#endif
ENTRY(ecacheon)
rts
ENTRY(ecacheoff)
rts
/*
* Load a new CPU Root Pointer (CRP) into the MMU.
* void loadcrp(struct mmu_rootptr *);
*/
ENTRY(loadcrp)
movl %sp@(4),%a0 | arg1: &CRP
movl #CACHE_CLR,%d0
movc %d0,%cacr | invalidate cache... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun3/sun3x/locore.s | BSD-2-Clause | 44ce13b2c4665234fd2e3670e5cff2eab40c6199 | github | kernel | https://github.com/NetBSD/src/blob/44ce13b2c4665234fd2e3670e5cff2eab40c6199/sys/arch/sun3/sun3x/locore.s | 561 | 620 |
NetBSD/src:sys/arch/sun3/sun3x/locore.s:16 | * _delay(unsigned N)
* Delay for at least (N/256) microseconds.
* This routine depends on the variable: delay_divisor
* which should be set based on the CPU clock rate.
* XXX: Currently this is set based on the CPU model,
* XXX: but this should be determined at run time...
*/
GLOBAL(_delay)
| %d0 = arg = (usecs... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun3/sun3x/locore.s | BSD-2-Clause | 44ce13b2c4665234fd2e3670e5cff2eab40c6199 | github | kernel | https://github.com/NetBSD/src/blob/44ce13b2c4665234fd2e3670e5cff2eab40c6199/sys/arch/sun3/sun3x/locore.s | 601 | 641 |
NetBSD/src:sys/arch/sun3/sun3x/locore.s:11 | Lbrkpt2:
| Call the trap handler for the kernel debugger.
| Do not call trap() to handle it, so that we can
| set breakpoints in trap() if we want. We know
| the trap type is either T_TRACE or T_BREAKPOINT.
movl %d0,%sp@- | push trap type
jbsr _C_LABEL(trap_kdebug)
addql #4,%sp | pop args
| The stack point... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun3/sun3x/locore.s | BSD-2-Clause | 999c8e0aca9a0dea255e3b4ffad9384faa719e09 | github | kernel | https://github.com/NetBSD/src/blob/999c8e0aca9a0dea255e3b4ffad9384faa719e09/sys/arch/sun3/sun3x/locore.s | 401 | 460 |
NetBSD/src:sys/arch/sun3/sun3x/locore.s:12 | .align 2
#endif
GLOBAL(_isr_autovec)
INTERRUPT_SAVEREG
jbsr _C_LABEL(isr_autovec)
INTERRUPT_RESTOREREG
jra _ASM_LABEL(rei)
/* clock: see clock.c */
#ifdef __ELF__
.align 4
#else
.align 2
#endif
GLOBAL(_isr_clock)
INTERRUPT_SAVEREG
jbsr _C_LABEL(clock_intr)
INTERRUPT_RESTOREREG
jra _ASM_LABEL(rei)
| Handler ... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun3/sun3x/locore.s | BSD-2-Clause | 999c8e0aca9a0dea255e3b4ffad9384faa719e09 | github | kernel | https://github.com/NetBSD/src/blob/999c8e0aca9a0dea255e3b4ffad9384faa719e09/sys/arch/sun3/sun3x/locore.s | 441 | 500 |
NetBSD/src:sys/arch/sun3/sun3x/locore.s:13 | .asciz "lev6" | 6
.asciz "nmi" | 7
GLOBAL(eintrnames)
.data
.even
GLOBAL(intrcnt)
.long 0,0,0,0,0,0,0,0
GLOBAL(eintrcnt)
.text
/*
* Emulation of VAX REI instruction.
*
* This code is (mostly) un-altered from the hp300 code,
* except that sun machines do not need a simulated SIR
* because they have a real so... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun3/sun3x/locore.s | BSD-2-Clause | 999c8e0aca9a0dea255e3b4ffad9384faa719e09 | github | kernel | https://github.com/NetBSD/src/blob/999c8e0aca9a0dea255e3b4ffad9384faa719e09/sys/arch/sun3/sun3x/locore.s | 481 | 540 |
NetBSD/src:sys/arch/sun3/sun3x/locore.s:14 | clrl %sp@- | stack adjust
moveml #0xFFFF,%sp@- | save all registers
movl %usp,%a1 | including
movl %a1,%sp@(FR_SP) | the users SP
clrl %sp@- | VA == none
clrl %sp@- | code == none
movl #T_ASTFLT,%sp@- | type == async system trap
pea %sp@(12) | fp == address of trap frame
jbsr _C_LABEL(trap) | go ... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun3/sun3x/locore.s | BSD-2-Clause | 999c8e0aca9a0dea255e3b4ffad9384faa719e09 | github | kernel | https://github.com/NetBSD/src/blob/999c8e0aca9a0dea255e3b4ffad9384faa719e09/sys/arch/sun3/sun3x/locore.s | 521 | 580 |
NetBSD/src:sys/arch/sun3/sun3x/locore.s:15 | */
#include <m68k/m68k/sigcode.s>
#ifdef COMPAT_SUNOS
#include <m68k/m68k/sunos_sigcode.s>
#endif
.text
/*
* Primitives
*/
/*
* Use common m68k support routines.
*/
#include <m68k/m68k/support.s>
/*
* Use common m68k process/lwp switch and context save subroutines.
*/
#define FPCOPROC /* XXX: Temp. Reqd. */
... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun3/sun3x/locore.s | BSD-2-Clause | 999c8e0aca9a0dea255e3b4ffad9384faa719e09 | github | kernel | https://github.com/NetBSD/src/blob/999c8e0aca9a0dea255e3b4ffad9384faa719e09/sys/arch/sun3/sun3x/locore.s | 561 | 620 |
NetBSD/src:sys/arch/sun3/sun3x/locore.s:16 | /*
* Load a new CPU Root Pointer (CRP) into the MMU.
* void loadcrp(struct mmu_rootptr *);
*/
ENTRY(loadcrp)
movl %sp@(4),%a0 | arg1: &CRP
movl #CACHE_CLR,%d0
movc %d0,%cacr | invalidate cache(s)
pflusha | flush entire TLB
pmove %a0@,%crp | load new user root pointer
rts
ENTRY(getcrp)
movl %sp@(4),%a0 ... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun3/sun3x/locore.s | BSD-2-Clause | 999c8e0aca9a0dea255e3b4ffad9384faa719e09 | github | kernel | https://github.com/NetBSD/src/blob/999c8e0aca9a0dea255e3b4ffad9384faa719e09/sys/arch/sun3/sun3x/locore.s | 601 | 660 |
NetBSD/src:sys/arch/sun3/sun3x/locore.s:17 | jra L_delay /* Jump into the loop! */
/*
* Align the branch target of the loop to a half-line (8-byte)
* boundary to minimize cache effects. This guarantees both
* that there will be no prefetch stalls due to cache line burst
* operations and that the loop will run from a single cache
* half-line.
*/
#... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun3/sun3x/locore.s | BSD-2-Clause | 999c8e0aca9a0dea255e3b4ffad9384faa719e09 | github | kernel | https://github.com/NetBSD/src/blob/999c8e0aca9a0dea255e3b4ffad9384faa719e09/sys/arch/sun3/sun3x/locore.s | 641 | 669 |
NetBSD/src:sys/arch/sun3/sun3x/locore.s:16 | /*
* Load a new CPU Root Pointer (CRP) into the MMU.
* void loadcrp(struct mmu_rootptr *);
*/
ENTRY(loadcrp)
movl %sp@(4),%a0 | arg1: &CRP
movl #CACHE_CLR,%d0
movc %d0,%cacr | invalidate cache(s)
pflusha | flush entire TLB
pmove %a0@,%crp | load new user root pointer
rts
ENTRY(getcrp)
movl %sp@(4),%a0 ... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun3/sun3x/locore.s | BSD-2-Clause | 451f3d23c3aff3c1b4b35a29f67dc03b9c88f913 | github | kernel | https://github.com/NetBSD/src/blob/451f3d23c3aff3c1b4b35a29f67dc03b9c88f913/sys/arch/sun3/sun3x/locore.s | 601 | 660 |
NetBSD/src:sys/arch/sun3/sun3x/locore.s:17 | ENTRY(_splraise)
clrl %d0
movw %sr,%d0
movl %d0,%d1
andl #PSL_HIGHIPL,%d1 | old &= PSL_HIGHIPL
cmpl %sp@(4),%d1 | (old - new)
bge Lsplr
movl %sp@(4),%d1
movw %d1,%sr
Lsplr:
rts
/*
* _delay(unsigned N)
* Delay for at least (N/256) microseconds.
* This routine depends on the variable: delay_divisor
* whi... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun3/sun3x/locore.s | BSD-2-Clause | 451f3d23c3aff3c1b4b35a29f67dc03b9c88f913 | github | kernel | https://github.com/NetBSD/src/blob/451f3d23c3aff3c1b4b35a29f67dc03b9c88f913/sys/arch/sun3/sun3x/locore.s | 641 | 695 |
NetBSD/src:sys/arch/sun3/sun3x/locore.s:18 | L_delay:
subl %d1,%d0
jgt L_delay
rts
| Define some addresses, mostly so DDB can print useful info.
| Not using _C_LABEL() here because these symbols are never
| referenced by any C code, and if the leading underscore
| ever goes away, these lines turn into syntax errors...
.set _KERNBASE3X,KERNBASE3X
.set _MONST... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun3/sun3x/locore.s | BSD-2-Clause | 451f3d23c3aff3c1b4b35a29f67dc03b9c88f913 | github | kernel | https://github.com/NetBSD/src/blob/451f3d23c3aff3c1b4b35a29f67dc03b9c88f913/sys/arch/sun3/sun3x/locore.s | 681 | 695 |
NetBSD/src:sys/arch/sun3/sun3x/locore.s:15 | */
#include <m68k/m68k/sigcode.s>
#ifdef COMPAT_SUNOS
#include <m68k/m68k/sunos_sigcode.s>
#endif
.text
/*
* Primitives
*/
/*
* Use common m68k support routines.
*/
#include <m68k/m68k/support.s>
/*
* Use common m68k process/lwp switch and context save subroutines.
*/
#define FPCOPROC /* XXX: Temp. Reqd. */
... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun3/sun3x/locore.s | BSD-2-Clause | f2eefce19f92c3c2d4969dc54ae1162d132c6f20 | github | kernel | https://github.com/NetBSD/src/blob/f2eefce19f92c3c2d4969dc54ae1162d132c6f20/sys/arch/sun3/sun3x/locore.s | 561 | 620 |
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