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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/sun2/sun2/locore.s:8 | moveml #0xFFFF,%sp@-
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... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun2/sun2/locore.s | BSD-2-Clause | fd89440ac6bfc9214810e1056f80b69c2878b7ba | github | kernel | https://github.com/NetBSD/src/blob/fd89440ac6bfc9214810e1056f80b69c2878b7ba/sys/arch/sun2/sun2/locore.s | 281 | 340 |
NetBSD/src:sys/arch/sun2/sun2/locore.s:9 | | before restoring registers and returning.
movl %sp@(FR_SP),%a0 | modified sp
lea %sp@(FR_SIZE),%a1 | end of our frame
movl %a1@-,%a0@- | copy 2 longs with
movl %a1@-,%a0@- | ... predecrement
movl %a0,%sp@(FR_SP) | sp = h/w frame
moveml %sp@+,#0x7FFF | restore all but sp
movl %sp@,%sp | ... and sp
rte ... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun2/sun2/locore.s | BSD-2-Clause | fd89440ac6bfc9214810e1056f80b69c2878b7ba | github | kernel | https://github.com/NetBSD/src/blob/fd89440ac6bfc9214810e1056f80b69c2878b7ba/sys/arch/sun2/sun2/locore.s | 321 | 380 |
NetBSD/src:sys/arch/sun2/sun2/locore.s:10 | /*
* Use common m68k process/lwp switch and context save subroutines.
*/
#undef FPCOPROC
#include <m68k/m68k/switch_subr.s>
/* loadustp, ptest_addr */
#ifdef DIAGNOSTIC
| Message for 68881 save/restore panic
Lsr0:
.asciz "m68881 save/restore"
.even
#endif
/*
* Save and restore 68881 state.
*/
ENTRY(m68881_save... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun2/sun2/locore.s | BSD-2-Clause | fd89440ac6bfc9214810e1056f80b69c2878b7ba | github | kernel | https://github.com/NetBSD/src/blob/fd89440ac6bfc9214810e1056f80b69c2878b7ba/sys/arch/sun2/sun2/locore.s | 361 | 420 |
NetBSD/src:sys/arch/sun2/sun2/locore.s:11 | | %d1 = delay_divisor;
movl _C_LABEL(delay_divisor),%d1
/*
* 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
* ... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun2/sun2/locore.s | BSD-2-Clause | fd89440ac6bfc9214810e1056f80b69c2878b7ba | github | kernel | https://github.com/NetBSD/src/blob/fd89440ac6bfc9214810e1056f80b69c2878b7ba/sys/arch/sun2/sun2/locore.s | 401 | 460 |
NetBSD/src:sys/arch/sun2/sun2/locore.s:12 | movew _C_LABEL(enable_reg_soft), %d0 | get the result
movsw %d0, SYSTEM_ENAB | install the result
cmpw _C_LABEL(enable_reg_soft), %d0
bne 1b | install it again if the soft value changed
movc %a1,%dfc | restore dfc
rts
ENTRY(enable_reg_or)
movc %dfc,%a1 | save current dfc
moveq #FC_CONTROL, %d1
movc %d1, ... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun2/sun2/locore.s | BSD-2-Clause | fd89440ac6bfc9214810e1056f80b69c2878b7ba | github | kernel | https://github.com/NetBSD/src/blob/fd89440ac6bfc9214810e1056f80b69c2878b7ba/sys/arch/sun2/sun2/locore.s | 441 | 476 |
NetBSD/src:sys/arch/sun2/sun2/locore.s:9 | | before restoring registers and returning.
movl %sp@(FR_SP),%a0 | modified sp
lea %sp@(FR_SIZE),%a1 | end of our frame
movl %a1@-,%a0@- | copy 2 longs with
movl %a1@-,%a0@- | ... predecrement
movl %a0,%sp@(FR_SP) | sp = h/w frame
moveml %sp@+,#0x7FFF | restore all but sp
movl %sp@,%sp | ... and sp
rte ... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun2/sun2/locore.s | BSD-2-Clause | 9a0dbd044da39c7df3a3ef7bf2d3ebc8cfae0f6c | github | kernel | https://github.com/NetBSD/src/blob/9a0dbd044da39c7df3a3ef7bf2d3ebc8cfae0f6c/sys/arch/sun2/sun2/locore.s | 321 | 380 |
NetBSD/src:sys/arch/sun2/sun2/locore.s:10 | * do not have to do it here. After identifying that we need an AST we
* 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 ... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun2/sun2/locore.s | BSD-2-Clause | 9a0dbd044da39c7df3a3ef7bf2d3ebc8cfae0f6c | github | kernel | https://github.com/NetBSD/src/blob/9a0dbd044da39c7df3a3ef7bf2d3ebc8cfae0f6c/sys/arch/sun2/sun2/locore.s | 361 | 420 |
NetBSD/src:sys/arch/sun2/sun2/locore.s:11 | 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 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 compatibili... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun2/sun2/locore.s | BSD-2-Clause | 9a0dbd044da39c7df3a3ef7bf2d3ebc8cfae0f6c | github | kernel | https://github.com/NetBSD/src/blob/9a0dbd044da39c7df3a3ef7bf2d3ebc8cfae0f6c/sys/arch/sun2/sun2/locore.s | 401 | 460 |
NetBSD/src:sys/arch/sun2/sun2/locore.s:5 | | Note curpcb was already set in _bootstrap().
| Will do fpu initialization during autoconfig (see fpu.c)
| The interrupt vector table and stack are now ready.
| Interrupts will be enabled later, AFTER autoconfiguration
| is finished, to avoid spurrious interrupts.
/*
* Create a fake exception frame so that cpu_lwp_... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun2/sun2/locore.s | BSD-2-Clause | 7a50df7f13f44282c494a158ccac105d4d8e3c64 | github | kernel | https://github.com/NetBSD/src/blob/7a50df7f13f44282c494a158ccac105d4d8e3c64/sys/arch/sun2/sun2/locore.s | 161 | 220 |
NetBSD/src:sys/arch/sun2/sun2/locore.s:6 | moveml #0xFFFF,%sp@- | save registers
moveq #T_FPEMULD,%d0 | denote as FP emulation trap
jra _ASM_LABEL(fault) | do it
| Message for fpfault panic
Lfp0:
.asciz "fpfault"
.even
/*
* Handles all other FP coprocessor exceptions.
* Since we can never have an FP coprocessor, this just panics.
*/
GLOBAL(fpfault)
... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun2/sun2/locore.s | BSD-2-Clause | 7a50df7f13f44282c494a158ccac105d4d8e3c64 | github | kernel | https://github.com/NetBSD/src/blob/7a50df7f13f44282c494a158ccac105d4d8e3c64/sys/arch/sun2/sun2/locore.s | 201 | 260 |
NetBSD/src:sys/arch/sun2/sun2/locore.s:7 | 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/sun2/sun2/locore.s | BSD-2-Clause | 7a50df7f13f44282c494a158ccac105d4d8e3c64 | github | kernel | https://github.com/NetBSD/src/blob/7a50df7f13f44282c494a158ccac105d4d8e3c64/sys/arch/sun2/sun2/locore.s | 241 | 300 |
NetBSD/src:sys/arch/sun2/sun2/locore.s:8 | * - 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, kernel brkpt
jra _ASM_LABEL(fault) | n... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun2/sun2/locore.s | BSD-2-Clause | 7a50df7f13f44282c494a158ccac105d4d8e3c64 | github | kernel | https://github.com/NetBSD/src/blob/7a50df7f13f44282c494a158ccac105d4d8e3c64/sys/arch/sun2/sun2/locore.s | 281 | 340 |
NetBSD/src:sys/arch/sun2/sun2/locore.s:9 | 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 frame
movl %a1@-,%a0@- | copy ... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun2/sun2/locore.s | BSD-2-Clause | 7a50df7f13f44282c494a158ccac105d4d8e3c64 | github | kernel | https://github.com/NetBSD/src/blob/7a50df7f13f44282c494a158ccac105d4d8e3c64/sys/arch/sun2/sun2/locore.s | 321 | 380 |
NetBSD/src:sys/arch/sun2/sun2/locore.s:10 | *
* 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/sun2/sun2/locore.s | BSD-2-Clause | 7a50df7f13f44282c494a158ccac105d4d8e3c64 | github | kernel | https://github.com/NetBSD/src/blob/7a50df7f13f44282c494a158ccac105d4d8e3c64/sys/arch/sun2/sun2/locore.s | 361 | 420 |
NetBSD/src:sys/arch/sun2/sun2/locore.s:11 | 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/sun2/sun2/locore.s | BSD-2-Clause | 7a50df7f13f44282c494a158ccac105d4d8e3c64 | github | kernel | https://github.com/NetBSD/src/blob/7a50df7f13f44282c494a158ccac105d4d8e3c64/sys/arch/sun2/sun2/locore.s | 401 | 460 |
NetBSD/src:sys/arch/sun2/sun2/locore.s:12 | /*
* Save and restore 68881 state.
*/
ENTRY(m68881_save)
ENTRY(m68881_restore)
#ifdef DIAGNOSTIC
movl #Lsr0,%sp@-
jbsr _C_LABEL(panic)
/*NOTREACHED*/
#else
rts
#endif
/*
* _delay(unsigned N)
* Delay for at least (N/256) microseconds.
* This routine depends on the variable: delay_divisor
* whic... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun2/sun2/locore.s | BSD-2-Clause | 7a50df7f13f44282c494a158ccac105d4d8e3c64 | github | kernel | https://github.com/NetBSD/src/blob/7a50df7f13f44282c494a158ccac105d4d8e3c64/sys/arch/sun2/sun2/locore.s | 441 | 500 |
NetBSD/src:sys/arch/sun2/sun2/locore.s:13 | subl %d1,%d0
jgt L_delay
rts
/*
* Set or clear bits in the enable register. This mimics the
* strange behavior in SunOS' locore.o, where they keep a soft
* copy of what they think is in the enable register and loop
* making a change until it sticks. This is apparently to
* be concurrent-safe without disabling... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun2/sun2/locore.s | BSD-2-Clause | 7a50df7f13f44282c494a158ccac105d4d8e3c64 | github | kernel | https://github.com/NetBSD/src/blob/7a50df7f13f44282c494a158ccac105d4d8e3c64/sys/arch/sun2/sun2/locore.s | 481 | 540 |
NetBSD/src:sys/arch/sun2/sun2/locore.s:14 | cmpw _C_LABEL(enable_reg_soft), %d0
bne 1b | install it again if the soft value changed
movc %a1,%dfc | restore dfc
rts
/*
* Use common m68k 16-bit aligned copy routines.
*/
#include <m68k/m68k/w16copy.s>
| Define some addresses, mostly so DDB can print useful info.
| Not using _C_LABEL() here because these ... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun2/sun2/locore.s | BSD-2-Clause | 7a50df7f13f44282c494a158ccac105d4d8e3c64 | github | kernel | https://github.com/NetBSD/src/blob/7a50df7f13f44282c494a158ccac105d4d8e3c64/sys/arch/sun2/sun2/locore.s | 521 | 540 |
NetBSD/src:sys/arch/sun2/sun2/locore.s:5 | | Note curpcb was already set in _bootstrap().
| Will do fpu initialization during autoconfig (see fpu.c)
| The interrupt vector table and stack are now ready.
| Interrupts will be enabled later, AFTER autoconfiguration
| is finished, to avoid spurrious interrupts.
/*
* Create a fake exception frame so that cpu_lwp_... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun2/sun2/locore.s | BSD-2-Clause | 6279c1e992621a887496dc9278adf6ed8aff06c5 | github | kernel | https://github.com/NetBSD/src/blob/6279c1e992621a887496dc9278adf6ed8aff06c5/sys/arch/sun2/sun2/locore.s | 161 | 220 |
NetBSD/src:sys/arch/sun2/sun2/locore.s:6 | moveq #0,%d0
movw %a1@(8),%d0 | grab SSW for fault processing
movl %a1@(10),%d1 | fault address is as given in frame
movl %d1,%sp@- | push fault VA
movl %d0,%sp@- | and padded SSW
movw %a1@(6),%d0 | get frame format/vector offset
andw #0x0FFF,%d0 | clear out frame format
cmpw #12,%d0 | address error vect... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun2/sun2/locore.s | BSD-2-Clause | 6279c1e992621a887496dc9278adf6ed8aff06c5 | github | kernel | https://github.com/NetBSD/src/blob/6279c1e992621a887496dc9278adf6ed8aff06c5/sys/arch/sun2/sun2/locore.s | 201 | 260 |
NetBSD/src:sys/arch/sun2/sun2/locore.s:7 | jra _ASM_LABEL(faultstkadj) | and deal with it
Lisberr:
movl #T_BUSERR,%sp@- | mark bus error
jra _ASM_LABEL(faultstkadj) | and deal with it
/*
* FP exceptions.
*/
GLOBAL(fpfline)
clrl %sp@- | stack adjust count
moveml #0xFFFF,%sp@- | save registers
moveq #T_FPEMULI,%d0 | denote as FP emulation trap
jra _... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun2/sun2/locore.s | BSD-2-Clause | 6279c1e992621a887496dc9278adf6ed8aff06c5 | github | kernel | https://github.com/NetBSD/src/blob/6279c1e992621a887496dc9278adf6ed8aff06c5/sys/arch/sun2/sun2/locore.s | 241 | 300 |
NetBSD/src:sys/arch/sun2/sun2/locore.s:8 | moveml #0xFFFF,%sp@- | save std frame regs
jbsr _C_LABEL(straytrap) | report
moveml %sp@+,#0xFFFF | restore regs
addql #4,%sp | stack adjust count
jra _ASM_LABEL(rei) | all done
/*
* Trap 0 is for system calls
*/
GLOBAL(trap0)
clrl %sp@- | stack adjust count
moveml #0xFFFF,%sp@- | save user registers
... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun2/sun2/locore.s | BSD-2-Clause | 6279c1e992621a887496dc9278adf6ed8aff06c5 | github | kernel | https://github.com/NetBSD/src/blob/6279c1e992621a887496dc9278adf6ed8aff06c5/sys/arch/sun2/sun2/locore.s | 281 | 340 |
NetBSD/src:sys/arch/sun2/sun2/locore.s:9 | | 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/sun2/sun2/locore.s | BSD-2-Clause | 6279c1e992621a887496dc9278adf6ed8aff06c5 | github | kernel | https://github.com/NetBSD/src/blob/6279c1e992621a887496dc9278adf6ed8aff06c5/sys/arch/sun2/sun2/locore.s | 321 | 380 |
NetBSD/src:sys/arch/sun2/sun2/locore.s:10 | 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
| set breakpoints in trap() if we wan... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun2/sun2/locore.s | BSD-2-Clause | 6279c1e992621a887496dc9278adf6ed8aff06c5 | github | kernel | https://github.com/NetBSD/src/blob/6279c1e992621a887496dc9278adf6ed8aff06c5/sys/arch/sun2/sun2/locore.s | 361 | 420 |
NetBSD/src:sys/arch/sun2/sun2/locore.s:11 | .align 4
#else
.align 2
#endif
GLOBAL(_isr_clock)
INTERRUPT_SAVEREG
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 ... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun2/sun2/locore.s | BSD-2-Clause | 6279c1e992621a887496dc9278adf6ed8aff06c5 | github | kernel | https://github.com/NetBSD/src/blob/6279c1e992621a887496dc9278adf6ed8aff06c5/sys/arch/sun2/sun2/locore.s | 401 | 460 |
NetBSD/src:sys/arch/sun2/sun2/locore.s:12 | 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 handle it
lea %sp@(16),%sp ... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun2/sun2/locore.s | BSD-2-Clause | 6279c1e992621a887496dc9278adf6ed8aff06c5 | github | kernel | https://github.com/NetBSD/src/blob/6279c1e992621a887496dc9278adf6ed8aff06c5/sys/arch/sun2/sun2/locore.s | 441 | 500 |
NetBSD/src:sys/arch/sun2/sun2/locore.s:12 | 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 handle it
lea %sp@(16),%sp ... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun2/sun2/locore.s | BSD-2-Clause | c935f8294f8dbedb30d0ac8738963ee40ec9a39a | github | kernel | https://github.com/NetBSD/src/blob/c935f8294f8dbedb30d0ac8738963ee40ec9a39a/sys/arch/sun2/sun2/locore.s | 441 | 500 |
NetBSD/src:sys/arch/sun2/sun2/locore.s:13 | #include <m68k/m68k/sigcode.s>
#ifdef COMPAT_SUNOS
#include <m68k/m68k/sunos_sigcode.s>
#endif
.text
/*
* Primitives
*/
/*
* Use common m68k process/lwp switch and context save subroutines.
*/
#undef FPCOPROC
#include <m68k/m68k/switch_subr.s>
/* loadustp, ptest_addr */
#ifdef DIAGNOSTIC
| Message for 68881 s... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun2/sun2/locore.s | BSD-2-Clause | c935f8294f8dbedb30d0ac8738963ee40ec9a39a | github | kernel | https://github.com/NetBSD/src/blob/c935f8294f8dbedb30d0ac8738963ee40ec9a39a/sys/arch/sun2/sun2/locore.s | 481 | 540 |
NetBSD/src:sys/arch/sun2/sun2/locore.s:14 | * _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/sun2/sun2/locore.s | BSD-2-Clause | c935f8294f8dbedb30d0ac8738963ee40ec9a39a | github | kernel | https://github.com/NetBSD/src/blob/c935f8294f8dbedb30d0ac8738963ee40ec9a39a/sys/arch/sun2/sun2/locore.s | 521 | 580 |
NetBSD/src:sys/arch/sun2/sun2/locore.s:15 | * register had to be treated this way, so on the sun3 they made
* it memory-addressable so you could just use the single-instructions.
*/
ENTRY(enable_reg_and)
movc %dfc,%a1 | save current dfc
moveq #FC_CONTROL, %d1
movc %d1, %dfc | make movs access "control"
movl %sp@(4), %d1 | get our AND mask
clrl %d0
1: a... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun2/sun2/locore.s | BSD-2-Clause | c935f8294f8dbedb30d0ac8738963ee40ec9a39a | github | kernel | https://github.com/NetBSD/src/blob/c935f8294f8dbedb30d0ac8738963ee40ec9a39a/sys/arch/sun2/sun2/locore.s | 561 | 606 |
NetBSD/src:sys/arch/sun2/sun2/locore.s:10 | 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
| set breakpoints in trap() if we wan... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun2/sun2/locore.s | BSD-2-Clause | 703d1d4836bbf6504f494e94d6287e898624ade1 | github | kernel | https://github.com/NetBSD/src/blob/703d1d4836bbf6504f494e94d6287e898624ade1/sys/arch/sun2/sun2/locore.s | 361 | 420 |
NetBSD/src:sys/arch/sun2/sun2/locore.s:11 | /* 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)
/*
* Emulation of VAX REI instruction.
*
* This code is (mostly) un-altered from the hp300 code,
* except that sun machines do not nee... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun2/sun2/locore.s | BSD-2-Clause | 703d1d4836bbf6504f494e94d6287e898624ade1 | github | kernel | https://github.com/NetBSD/src/blob/703d1d4836bbf6504f494e94d6287e898624ade1/sys/arch/sun2/sun2/locore.s | 401 | 460 |
NetBSD/src:sys/arch/sun2/sun2/locore.s:12 | jne Ldorte | no, done
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
clrl %sp@- | VA == none
clrl %sp@- | code == none
movl #T_ASTFLT,%sp@- | type == async system trap
pea %sp@(12... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun2/sun2/locore.s | BSD-2-Clause | 703d1d4836bbf6504f494e94d6287e898624ade1 | github | kernel | https://github.com/NetBSD/src/blob/703d1d4836bbf6504f494e94d6287e898624ade1/sys/arch/sun2/sun2/locore.s | 441 | 500 |
NetBSD/src:sys/arch/sun2/sun2/locore.s:13 | /*
* Use common m68k sigcode.
*/
#include <m68k/m68k/sigcode.s>
#ifdef COMPAT_SUNOS
#include <m68k/m68k/sunos_sigcode.s>
#endif
.text
/*
* Primitives
*/
/*
* Use common m68k process/lwp switch and context save subroutines.
*/
#undef FPCOPROC
#include <m68k/m68k/switch_subr.s>
/* loadustp, ptest_addr */
#ifd... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun2/sun2/locore.s | BSD-2-Clause | 703d1d4836bbf6504f494e94d6287e898624ade1 | github | kernel | https://github.com/NetBSD/src/blob/703d1d4836bbf6504f494e94d6287e898624ade1/sys/arch/sun2/sun2/locore.s | 481 | 540 |
NetBSD/src:sys/arch/sun2/sun2/locore.s:14 | #endif
/*
* _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 = ... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun2/sun2/locore.s | BSD-2-Clause | 703d1d4836bbf6504f494e94d6287e898624ade1 | github | kernel | https://github.com/NetBSD/src/blob/703d1d4836bbf6504f494e94d6287e898624ade1/sys/arch/sun2/sun2/locore.s | 521 | 580 |
NetBSD/src:sys/arch/sun2/sun2/locore.s:15 | * I dunno, but it may jive with sun3/intreg.c using the single-instruction
* bit operations and the sun3 intreg being memory-addressable,
* i.e., once the sun2 was designed they realized the enable
* register had to be treated this way, so on the sun3 they made
* it memory-addressable so you could just use the sing... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun2/sun2/locore.s | BSD-2-Clause | 703d1d4836bbf6504f494e94d6287e898624ade1 | github | kernel | https://github.com/NetBSD/src/blob/703d1d4836bbf6504f494e94d6287e898624ade1/sys/arch/sun2/sun2/locore.s | 561 | 609 |
NetBSD/src:sys/arch/sun2/sun2/locore.s:12 | jne Ldorte | no, done
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
clrl %sp@- | VA == none
clrl %sp@- | code == none
movl #T_ASTFLT,%sp@- | type == async system trap
pea %sp@(12... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun2/sun2/locore.s | BSD-2-Clause | 9ded135d26381ecef53f4a4fe2673ca1a63a0c55 | github | kernel | https://github.com/NetBSD/src/blob/9ded135d26381ecef53f4a4fe2673ca1a63a0c55/sys/arch/sun2/sun2/locore.s | 441 | 500 |
NetBSD/src:sys/arch/sun2/sun2/locore.s:13 | /*
* Use common m68k sigcode.
*/
#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.
*/
#undef F... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun2/sun2/locore.s | BSD-2-Clause | 9ded135d26381ecef53f4a4fe2673ca1a63a0c55 | github | kernel | https://github.com/NetBSD/src/blob/9ded135d26381ecef53f4a4fe2673ca1a63a0c55/sys/arch/sun2/sun2/locore.s | 481 | 540 |
NetBSD/src:sys/arch/sun2/sun2/locore.s:14 | movl #Lsr0,%sp@-
jbsr _C_LABEL(panic)
/*NOTREACHED*/
#else
rts
#endif
/*
* _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,
... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun2/sun2/locore.s | BSD-2-Clause | 9ded135d26381ecef53f4a4fe2673ca1a63a0c55 | github | kernel | https://github.com/NetBSD/src/blob/9ded135d26381ecef53f4a4fe2673ca1a63a0c55/sys/arch/sun2/sun2/locore.s | 521 | 580 |
NetBSD/src:sys/arch/sun2/sun2/locore.s:15 | * strange behavior in SunOS' locore.o, where they keep a soft
* copy of what they think is in the enable register and loop
* making a change until it sticks. This is apparently to
* be concurrent-safe without disabling interrupts. Why you
* can't just disable interrupts while mucking with the register
* I dunno,... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun2/sun2/locore.s | BSD-2-Clause | 9ded135d26381ecef53f4a4fe2673ca1a63a0c55 | github | kernel | https://github.com/NetBSD/src/blob/9ded135d26381ecef53f4a4fe2673ca1a63a0c55/sys/arch/sun2/sun2/locore.s | 561 | 614 |
NetBSD/src:sys/arch/sun2/sun2/locore.s:16 | * Use common m68k 16-bit aligned copy routines.
*/
#include <m68k/m68k/w16copy.s>
| 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...... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun2/sun2/locore.s | BSD-2-Clause | 9ded135d26381ecef53f4a4fe2673ca1a63a0c55 | github | kernel | https://github.com/NetBSD/src/blob/9ded135d26381ecef53f4a4fe2673ca1a63a0c55/sys/arch/sun2/sun2/locore.s | 601 | 614 |
NetBSD/src:sys/arch/sun2/sun2/locore.s:10 | 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
| set breakpoints in trap() if we wan... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun2/sun2/locore.s | BSD-2-Clause | 44ce13b2c4665234fd2e3670e5cff2eab40c6199 | github | kernel | https://github.com/NetBSD/src/blob/44ce13b2c4665234fd2e3670e5cff2eab40c6199/sys/arch/sun2/sun2/locore.s | 361 | 420 |
NetBSD/src:sys/arch/sun2/sun2/locore.s:11 | /* 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)
/* interrupt counters (needed by vmstat) */
GLOBAL(intrnames)
.asciz "spur" | 0
.asciz "lev1" | 1
.asciz "lev2" | 2
.asciz "lev3" | 3
... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun2/sun2/locore.s | BSD-2-Clause | 44ce13b2c4665234fd2e3670e5cff2eab40c6199 | github | kernel | https://github.com/NetBSD/src/blob/44ce13b2c4665234fd2e3670e5cff2eab40c6199/sys/arch/sun2/sun2/locore.s | 401 | 460 |
NetBSD/src:sys/arch/sun2/sun2/locore.s:12 | * (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 identifying that we need an AST we
* drop the IPL to allow de... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun2/sun2/locore.s | BSD-2-Clause | 44ce13b2c4665234fd2e3670e5cff2eab40c6199 | github | kernel | https://github.com/NetBSD/src/blob/44ce13b2c4665234fd2e3670e5cff2eab40c6199/sys/arch/sun2/sun2/locore.s | 441 | 500 |
NetBSD/src:sys/arch/sun2/sun2/locore.s:13 | 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 our SP
Ldorte:
rte | real return
/*
* Initialization... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun2/sun2/locore.s | BSD-2-Clause | 44ce13b2c4665234fd2e3670e5cff2eab40c6199 | github | kernel | https://github.com/NetBSD/src/blob/44ce13b2c4665234fd2e3670e5cff2eab40c6199/sys/arch/sun2/sun2/locore.s | 481 | 540 |
NetBSD/src:sys/arch/sun2/sun2/locore.s:14 | */
#undef FPCOPROC
#include <m68k/m68k/switch_subr.s>
/* loadustp, ptest_addr */
#ifdef DIAGNOSTIC
| Message for 68881 save/restore panic
Lsr0:
.asciz "m68881 save/restore"
.even
#endif
/*
* Save and restore 68881 state.
*/
ENTRY(m68881_save)
ENTRY(m68881_restore)
#ifdef DIAGNOSTIC
movl #Lsr0,%sp@-
jbsr... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun2/sun2/locore.s | BSD-2-Clause | 44ce13b2c4665234fd2e3670e5cff2eab40c6199 | github | kernel | https://github.com/NetBSD/src/blob/44ce13b2c4665234fd2e3670e5cff2eab40c6199/sys/arch/sun2/sun2/locore.s | 521 | 580 |
NetBSD/src:sys/arch/sun2/sun2/locore.s:15 | /*
* 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
#e... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun2/sun2/locore.s | BSD-2-Clause | 44ce13b2c4665234fd2e3670e5cff2eab40c6199 | github | kernel | https://github.com/NetBSD/src/blob/44ce13b2c4665234fd2e3670e5cff2eab40c6199/sys/arch/sun2/sun2/locore.s | 561 | 620 |
NetBSD/src:sys/arch/sun2/sun2/locore.s:16 | bne 1b | install it again if the soft value changed
movc %a1,%dfc | restore dfc
rts
ENTRY(enable_reg_or)
movc %dfc,%a1 | save current dfc
moveq #FC_CONTROL, %d1
movc %d1, %dfc | make movs access "control"
movl %sp@(4), %d1 | get our OR mask
clrl %d0
1: orw %d1, _C_LABEL(enable_reg_soft) | do our OR
move... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun2/sun2/locore.s | BSD-2-Clause | 44ce13b2c4665234fd2e3670e5cff2eab40c6199 | github | kernel | https://github.com/NetBSD/src/blob/44ce13b2c4665234fd2e3670e5cff2eab40c6199/sys/arch/sun2/sun2/locore.s | 601 | 633 |
NetBSD/src:sys/arch/sun2/sun2/locore.s:10 | 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
| set breakpoints in trap() if we wan... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun2/sun2/locore.s | BSD-2-Clause | 999c8e0aca9a0dea255e3b4ffad9384faa719e09 | github | kernel | https://github.com/NetBSD/src/blob/999c8e0aca9a0dea255e3b4ffad9384faa719e09/sys/arch/sun2/sun2/locore.s | 361 | 420 |
NetBSD/src:sys/arch/sun2/sun2/locore.s:11 | /*
* This is the common auto-vector interrupt handler,
* for which the CPU provides the vector=0x18+level.
* These are installed in the interrupt vector table.
*/
#ifdef __ELF__
.align 4
#else
.align 2
#endif
GLOBAL(_isr_autovec)
INTERRUPT_SAVEREG
jbsr _C_LABEL(isr_autovec)
INTERRUPT_RESTOREREG
jra _ASM_LABEL... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun2/sun2/locore.s | BSD-2-Clause | 999c8e0aca9a0dea255e3b4ffad9384faa719e09 | github | kernel | https://github.com/NetBSD/src/blob/999c8e0aca9a0dea255e3b4ffad9384faa719e09/sys/arch/sun2/sun2/locore.s | 401 | 460 |
NetBSD/src:sys/arch/sun2/sun2/locore.s:12 | /* 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
GLOBAL(intrcnt)
.long 0,0,0,0,0,0,0,0
GLOBAL(eintrcnt)
.text
/*
* Em... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun2/sun2/locore.s | BSD-2-Clause | 999c8e0aca9a0dea255e3b4ffad9384faa719e09 | github | kernel | https://github.com/NetBSD/src/blob/999c8e0aca9a0dea255e3b4ffad9384faa719e09/sys/arch/sun2/sun2/locore.s | 441 | 500 |
NetBSD/src:sys/arch/sun2/sun2/locore.s:13 | 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
clrl %sp@- | stack adjust
move... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun2/sun2/locore.s | BSD-2-Clause | 999c8e0aca9a0dea255e3b4ffad9384faa719e09 | github | kernel | https://github.com/NetBSD/src/blob/999c8e0aca9a0dea255e3b4ffad9384faa719e09/sys/arch/sun2/sun2/locore.s | 481 | 540 |
NetBSD/src:sys/arch/sun2/sun2/locore.s:15 | /*
* Save and restore 68881 state.
*/
ENTRY(m68881_save)
ENTRY(m68881_restore)
#ifdef DIAGNOSTIC
movl #Lsr0,%sp@-
jbsr _C_LABEL(panic)
/*NOTREACHED*/
#else
rts
#endif
/*
* _delay(unsigned N)
* Delay for at least (N/256) microseconds.
* This routine depends on the variable: delay_divisor
* whic... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun2/sun2/locore.s | BSD-2-Clause | 999c8e0aca9a0dea255e3b4ffad9384faa719e09 | github | kernel | https://github.com/NetBSD/src/blob/999c8e0aca9a0dea255e3b4ffad9384faa719e09/sys/arch/sun2/sun2/locore.s | 561 | 620 |
NetBSD/src:sys/arch/sun2/sun2/locore.s:16 | L_delay:
subl %d1,%d0
jgt L_delay
rts
/*
* Set or clear bits in the enable register. This mimics the
* strange behavior in SunOS' locore.o, where they keep a soft
* copy of what they think is in the enable register and loop
* making a change until it sticks. This is apparently to
* be concurrent-safe without... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun2/sun2/locore.s | BSD-2-Clause | 999c8e0aca9a0dea255e3b4ffad9384faa719e09 | github | kernel | https://github.com/NetBSD/src/blob/999c8e0aca9a0dea255e3b4ffad9384faa719e09/sys/arch/sun2/sun2/locore.s | 601 | 660 |
NetBSD/src:sys/arch/sun2/sun2/locore.s:17 | movsw %d0, SYSTEM_ENAB | install the result
cmpw _C_LABEL(enable_reg_soft), %d0
bne 1b | install it again if the soft value changed
movc %a1,%dfc | restore dfc
rts
/*
* Use common m68k 16-bit aligned copy routines.
*/
#include <m68k/m68k/w16copy.s>
| Define some addresses, mostly so DDB can print useful i... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun2/sun2/locore.s | BSD-2-Clause | 999c8e0aca9a0dea255e3b4ffad9384faa719e09 | github | kernel | https://github.com/NetBSD/src/blob/999c8e0aca9a0dea255e3b4ffad9384faa719e09/sys/arch/sun2/sun2/locore.s | 641 | 661 |
NetBSD/src:sys/arch/sun2/sun2/locore.s:14 | * 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 access to the PROM)
*/
/*... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun2/sun2/locore.s | BSD-2-Clause | 451f3d23c3aff3c1b4b35a29f67dc03b9c88f913 | github | kernel | https://github.com/NetBSD/src/blob/451f3d23c3aff3c1b4b35a29f67dc03b9c88f913/sys/arch/sun2/sun2/locore.s | 521 | 580 |
NetBSD/src:sys/arch/sun2/sun2/locore.s:15 | ENTRY(_spl)
clrl %d0
movw %sr,%d0
movl %sp@(4),%d1
movw %d1,%sr
rts
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
#ifdef DIAGNOSTIC
| Message for 68881 save/restore panic
... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun2/sun2/locore.s | BSD-2-Clause | 451f3d23c3aff3c1b4b35a29f67dc03b9c88f913 | github | kernel | https://github.com/NetBSD/src/blob/451f3d23c3aff3c1b4b35a29f67dc03b9c88f913/sys/arch/sun2/sun2/locore.s | 561 | 620 |
NetBSD/src:sys/arch/sun2/sun2/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 = (u... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun2/sun2/locore.s | BSD-2-Clause | 451f3d23c3aff3c1b4b35a29f67dc03b9c88f913 | github | kernel | https://github.com/NetBSD/src/blob/451f3d23c3aff3c1b4b35a29f67dc03b9c88f913/sys/arch/sun2/sun2/locore.s | 601 | 660 |
NetBSD/src:sys/arch/sun2/sun2/locore.s:17 | * i.e., once the sun2 was designed they realized the enable
* register had to be treated this way, so on the sun3 they made
* it memory-addressable so you could just use the single-instructions.
*/
ENTRY(enable_reg_and)
movc %dfc,%a1 | save current dfc
moveq #FC_CONTROL, %d1
movc %d1, %dfc | make movs access "c... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun2/sun2/locore.s | BSD-2-Clause | 451f3d23c3aff3c1b4b35a29f67dc03b9c88f913 | github | kernel | https://github.com/NetBSD/src/blob/451f3d23c3aff3c1b4b35a29f67dc03b9c88f913/sys/arch/sun2/sun2/locore.s | 641 | 687 |
NetBSD/src:sys/arch/sun2/sun2/locore.s:14 | * 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 access to the PROM)
*/
/*... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun2/sun2/locore.s | BSD-2-Clause | f2eefce19f92c3c2d4969dc54ae1162d132c6f20 | github | kernel | https://github.com/NetBSD/src/blob/f2eefce19f92c3c2d4969dc54ae1162d132c6f20/sys/arch/sun2/sun2/locore.s | 521 | 580 |
NetBSD/src:sys/arch/sun2/sun2/locore.s:15 | movl %sp@(4),%d0
movc %d0,%vbr
rts
/* loadustp, ptest_addr */
/*
* Set processor priority level calls. Most are implemented with
* inline asm expansions. However, we need one instantiation here
* in case some non-optimized code makes external references.
* Most places will use the inlined functions param.h su... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun2/sun2/locore.s | BSD-2-Clause | f2eefce19f92c3c2d4969dc54ae1162d132c6f20 | github | kernel | https://github.com/NetBSD/src/blob/f2eefce19f92c3c2d4969dc54ae1162d132c6f20/sys/arch/sun2/sun2/locore.s | 561 | 620 |
NetBSD/src:sys/arch/sun2/sun2/locore.s:16 | * Save and restore 68881 state.
*/
ENTRY(m68881_save)
ENTRY(m68881_restore)
#ifdef DIAGNOSTIC
movl #Lsr0,%sp@-
jbsr _C_LABEL(panic)
/*NOTREACHED*/
#else
rts
#endif
/*
* _delay(unsigned N)
* Delay for at least (N/256) microseconds.
* This routine depends on the variable: delay_divisor
* which sh... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun2/sun2/locore.s | BSD-2-Clause | f2eefce19f92c3c2d4969dc54ae1162d132c6f20 | github | kernel | https://github.com/NetBSD/src/blob/f2eefce19f92c3c2d4969dc54ae1162d132c6f20/sys/arch/sun2/sun2/locore.s | 601 | 660 |
NetBSD/src:sys/arch/sun2/sun2/locore.s:17 | jgt L_delay
rts
/*
* Set or clear bits in the enable register. This mimics the
* strange behavior in SunOS' locore.o, where they keep a soft
* copy of what they think is in the enable register and loop
* making a change until it sticks. This is apparently to
* be concurrent-safe without disabling interrupts. ... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun2/sun2/locore.s | BSD-2-Clause | f2eefce19f92c3c2d4969dc54ae1162d132c6f20 | github | kernel | https://github.com/NetBSD/src/blob/f2eefce19f92c3c2d4969dc54ae1162d132c6f20/sys/arch/sun2/sun2/locore.s | 641 | 699 |
NetBSD/src:sys/arch/sun2/sun2/locore.s:14 | * 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 access to the PROM)
*/
/*... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun2/sun2/locore.s | BSD-2-Clause | ee808e2fd9dcf231953d9f4e2e324e871b12bc23 | github | kernel | https://github.com/NetBSD/src/blob/ee808e2fd9dcf231953d9f4e2e324e871b12bc23/sys/arch/sun2/sun2/locore.s | 521 | 580 |
NetBSD/src:sys/arch/sun2/sun2/locore.s:15 | movl %sp@(4),%d0
movc %d0,%vbr
rts
/* loadustp, ptest_addr */
/*
* Set processor priority level calls. Most are implemented with
* inline asm expansions. However, we need one instantiation here
* in case some non-optimized code makes external references.
* Most places will use the inlined functions param.h su... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun2/sun2/locore.s | BSD-2-Clause | ee808e2fd9dcf231953d9f4e2e324e871b12bc23 | github | kernel | https://github.com/NetBSD/src/blob/ee808e2fd9dcf231953d9f4e2e324e871b12bc23/sys/arch/sun2/sun2/locore.s | 561 | 620 |
NetBSD/src:sys/arch/sun2/sun2/locore.s:16 | .asciz "m68881 save/restore"
.even
#endif
/*
* Save and restore 68881 state.
*/
ENTRY(m68881_save)
ENTRY(m68881_restore)
#ifdef DIAGNOSTIC
movl #Lsr0,%sp@-
jbsr _C_LABEL(panic)
/*NOTREACHED*/
#else
rts
#endif
/*
* _delay(unsigned N)
* Delay for at least (N/256) microseconds.
* This routine dep... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun2/sun2/locore.s | BSD-2-Clause | ee808e2fd9dcf231953d9f4e2e324e871b12bc23 | github | kernel | https://github.com/NetBSD/src/blob/ee808e2fd9dcf231953d9f4e2e324e871b12bc23/sys/arch/sun2/sun2/locore.s | 601 | 660 |
NetBSD/src:sys/arch/sun2/sun2/locore.s:17 | #else
.align 3
#endif
L_delay:
subl %d1,%d0
jgt L_delay
rts
/*
* Set or clear bits in the enable register. This mimics the
* strange behavior in SunOS' locore.o, where they keep a soft
* copy of what they think is in the enable register and loop
* making a change until it sticks. This is apparently to
* be ... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun2/sun2/locore.s | BSD-2-Clause | ee808e2fd9dcf231953d9f4e2e324e871b12bc23 | github | kernel | https://github.com/NetBSD/src/blob/ee808e2fd9dcf231953d9f4e2e324e871b12bc23/sys/arch/sun2/sun2/locore.s | 641 | 700 |
NetBSD/src:sys/arch/sun2/sun2/locore.s:18 | clrl %d0
1: orw %d1, _C_LABEL(enable_reg_soft) | do our OR
movew _C_LABEL(enable_reg_soft), %d0 | get the result
movsw %d0, SYSTEM_ENAB | install the result
cmpw _C_LABEL(enable_reg_soft), %d0
bne 1b | install it again if the soft value changed
movc %a1,%dfc | restore dfc
rts
/*
* Use common m68k 16-bit a... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun2/sun2/locore.s | BSD-2-Clause | ee808e2fd9dcf231953d9f4e2e324e871b12bc23 | github | kernel | https://github.com/NetBSD/src/blob/ee808e2fd9dcf231953d9f4e2e324e871b12bc23/sys/arch/sun2/sun2/locore.s | 681 | 704 |
NetBSD/src:sys/arch/sun2/sun2/locore.s:14 | * 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 access to the PROM)
*/
/*... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun2/sun2/locore.s | BSD-2-Clause | 3a3e6e6861107fa30395b99abb65697f94ef1bf8 | github | kernel | https://github.com/NetBSD/src/blob/3a3e6e6861107fa30395b99abb65697f94ef1bf8/sys/arch/sun2/sun2/locore.s | 521 | 580 |
NetBSD/src:sys/arch/sun2/sun2/locore.s:15 | */
GLOBAL(getsp)
movl %sp,%d0 | get current SP
addql #4,%d0 | compensate for return address
rts
ENTRY(getvbr)
movc %vbr,%d0
#ifdef __ELF__
movl %d0, %a0
#endif /* __ELF__ */
rts
ENTRY(setvbr)
movl %sp@(4),%d0
movc %d0,%vbr
rts
/* loadustp, ptest_addr */
/*
* Set processor priority level calls. Most a... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun2/sun2/locore.s | BSD-2-Clause | 3a3e6e6861107fa30395b99abb65697f94ef1bf8 | github | kernel | https://github.com/NetBSD/src/blob/3a3e6e6861107fa30395b99abb65697f94ef1bf8/sys/arch/sun2/sun2/locore.s | 561 | 620 |
NetBSD/src:sys/arch/sun2/sun2/locore.s:16 | 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
#ifdef DIAGNOSTIC
| Message for 68881 save/restore panic
Lsr0:
.asciz "m68881 save/restore"
.even
#endif
/*
* Save and restore 68881 state.
*/
E... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun2/sun2/locore.s | BSD-2-Clause | 3a3e6e6861107fa30395b99abb65697f94ef1bf8 | github | kernel | https://github.com/NetBSD/src/blob/3a3e6e6861107fa30395b99abb65697f94ef1bf8/sys/arch/sun2/sun2/locore.s | 601 | 660 |
NetBSD/src:sys/arch/sun2/sun2/locore.s:17 | | %d0 = arg = (usecs << 8)
movl %sp@(4),%d0
| %d1 = delay_divisor;
movl _C_LABEL(delay_divisor),%d1
/*
* 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 t... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun2/sun2/locore.s | BSD-2-Clause | 3a3e6e6861107fa30395b99abb65697f94ef1bf8 | github | kernel | https://github.com/NetBSD/src/blob/3a3e6e6861107fa30395b99abb65697f94ef1bf8/sys/arch/sun2/sun2/locore.s | 641 | 700 |
NetBSD/src:sys/arch/sun2/sun2/locore.s:18 | clrl %d0
1: andw %d1, _C_LABEL(enable_reg_soft) | do our AND
movew _C_LABEL(enable_reg_soft), %d0 | get the result
movsw %d0, SYSTEM_ENAB | install the result
cmpw _C_LABEL(enable_reg_soft), %d0
bne 1b | install it again if the soft value changed
movc %a1,%dfc | restore dfc
rts
ENTRY(enable_reg_or)
movc %d... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun2/sun2/locore.s | BSD-2-Clause | 3a3e6e6861107fa30395b99abb65697f94ef1bf8 | github | kernel | https://github.com/NetBSD/src/blob/3a3e6e6861107fa30395b99abb65697f94ef1bf8/sys/arch/sun2/sun2/locore.s | 681 | 718 |
NetBSD/src:sys/arch/sun3/sun3/locore.s:3 | #include "opt_compat_sunos.h"
#include "opt_kgdb.h"
#include "opt_lockdebug.h"
#include "assym.h"
#include <machine/asm.h>
#include <machine/trap.h>
| Remember this is a fun project!
| This is for kvm_mkdb, and should be the address of the beginning
| of the kernel text segment (not necessarily the same as kernbase)... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun3/sun3/locore.s | BSD-2-Clause | 3f1390c8cc18c3f67a4bd2632f8c7ad919cf86fd | github | kernel | https://github.com/NetBSD/src/blob/3f1390c8cc18c3f67a4bd2632f8c7ad919cf86fd/sys/arch/sun3/sun3/locore.s | 81 | 140 |
NetBSD/src:sys/arch/sun3/sun3/locore.s:4 | L_per_pmeg:
movsb %a0@,%d1 | copy segmap entry
movsb %d1,%a1@
addl #NBSG,%a0 | increment pointers
addl #NBSG,%a1
subql #1,%d0 | decrement count
bgt L_per_pmeg
| Kernel is now double mapped at zero and KERNBASE.
| Force a long jump to the relocated code (high VA).
movl #IC_CLEAR,%d0 | Flush the I-cache
mov... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun3/sun3/locore.s | BSD-2-Clause | 3f1390c8cc18c3f67a4bd2632f8c7ad919cf86fd | github | kernel | https://github.com/NetBSD/src/blob/3f1390c8cc18c3f67a4bd2632f8c7ad919cf86fd/sys/arch/sun3/sun3/locore.s | 121 | 180 |
NetBSD/src:sys/arch/sun3/sun3/locore.s:5 | * 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
.align 2
#endif
GLOBAL(_isr_clock)
INTERRUPT_SAVEREG
jbsr _C_LABEL(clock_intr)
INTERRUPT_RESTORER... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun3/sun3/locore.s | BSD-2-Clause | 3f1390c8cc18c3f67a4bd2632f8c7ad919cf86fd | github | kernel | https://github.com/NetBSD/src/blob/3f1390c8cc18c3f67a4bd2632f8c7ad919cf86fd/sys/arch/sun3/sun3/locore.s | 161 | 220 |
NetBSD/src:sys/arch/sun3/sun3/locore.s:6 | movl #CONTEXT_REG,%a0 | a0 = ctxreg
movc %sfc,%d3 | d3 = oldsfc
movc %d0,%sfc
movsb %a0@,%d2
andi #7,%d2 | d2 = oldctx
movc %d3,%sfc | restore sfc, d3 avail
movc %dfc,%d3 | d3 = olddfc
movc %d0,%dfc
movl #(CONTEXT_NUM - 1),%d0 | d0 = ctx number
1:
movsb %d0,%a0@ | change to ctx
movsb %d1,%a1@ | set seg... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun3/sun3/locore.s | BSD-2-Clause | 3f1390c8cc18c3f67a4bd2632f8c7ad919cf86fd | github | kernel | https://github.com/NetBSD/src/blob/3f1390c8cc18c3f67a4bd2632f8c7ad919cf86fd/sys/arch/sun3/sun3/locore.s | 201 | 229 |
NetBSD/src:sys/arch/sun3/sun3/locore.s:5 | * 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
.align 2
#endif
GLOBAL(_isr_clock)
INTERRUPT_SAVEREG
jbsr _C_LABEL(clock_intr)
INTERRUPT_RESTORER... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun3/sun3/locore.s | BSD-2-Clause | 8880cd809caeff042211f0fc4a46fb72034c53a9 | github | kernel | https://github.com/NetBSD/src/blob/8880cd809caeff042211f0fc4a46fb72034c53a9/sys/arch/sun3/sun3/locore.s | 161 | 220 |
NetBSD/src:sys/arch/sun3/sun3/locore.s:6 | */
ENTRY(DCIU)
rts
/* ICPL, ICPP, DCPL, DCPP, DCPA, DCFL, DCFP */
/* PCIA */
/* loadustp, ptest_addr */
/*
* void set_segmap_allctx(vaddr_t va, int sme)
*/
ENTRY(set_segmap_allctx)
linkw %fp,#0
moveml #0x3000,%sp@-
movl 8(%fp),%d3 | d3 = va
andl #0xffffffc,%d3
bset #29,%d3
movl %d3,%a1 | a1 = ctrladdr, d... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun3/sun3/locore.s | BSD-2-Clause | 8880cd809caeff042211f0fc4a46fb72034c53a9 | github | kernel | https://github.com/NetBSD/src/blob/8880cd809caeff042211f0fc4a46fb72034c53a9/sys/arch/sun3/sun3/locore.s | 201 | 250 |
NetBSD/src:sys/arch/sun3/sun3/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 _KERNBASE3,KERNBASE3
.set _MONSTART,SUN3_MONSTART
.set _PROM_BASE,SUN3_PROM... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun3/sun3/locore.s | BSD-2-Clause | 8880cd809caeff042211f0fc4a46fb72034c53a9 | github | kernel | https://github.com/NetBSD/src/blob/8880cd809caeff042211f0fc4a46fb72034c53a9/sys/arch/sun3/sun3/locore.s | 241 | 250 |
NetBSD/src:sys/arch/sun3/sun3/locore.s:5 | * 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
.align 2
#endif
GLOBAL(_isr_clock)
INTERRUPT_SAVEREG
jbsr _C_LABEL(clock_intr)
INTERRUPT_RESTORER... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun3/sun3/locore.s | BSD-2-Clause | 77232dcadc6b560bf38f2f6d53d5fd087a321d0c | github | kernel | https://github.com/NetBSD/src/blob/77232dcadc6b560bf38f2f6d53d5fd087a321d0c/sys/arch/sun3/sun3/locore.s | 161 | 220 |
NetBSD/src:sys/arch/sun3/sun3/locore.s:6 | */
ENTRY(ICIA)
movl #IC_CLEAR,%d0
movc %d0,%cacr | invalidate i-cache
rts
/* DCIA, DCIS */
/*
* Invalidate data cache.
*/
ENTRY(DCIU)
rts
/* ICPL, ICPP, DCPL, DCPP, DCPA, DCFL, DCFP */
/* PCIA */
/* loadustp, ptest_addr */
/*
* void set_segmap_allctx(vaddr_t va, int sme)
*/
ENTRY(set_segmap_allctx)
linkw... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun3/sun3/locore.s | BSD-2-Clause | 77232dcadc6b560bf38f2f6d53d5fd087a321d0c | github | kernel | https://github.com/NetBSD/src/blob/77232dcadc6b560bf38f2f6d53d5fd087a321d0c/sys/arch/sun3/sun3/locore.s | 201 | 260 |
NetBSD/src:sys/arch/sun3/sun3/locore.s:7 | 1:
movsb %d0,%a0@ | change to ctx
movsb %d1,%a1@ | set segmap
dbf %d0,1b | loop setting each ctx
movsb %d2,%a0@ | restore ctx
movc %d3,%dfc | restore dfc
moveml %sp@+,#0x000c
unlk %fp
rts
| Define some addresses, mostly so DDB can print useful info.
| Not using _C_LABEL() here because these symbols are n... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun3/sun3/locore.s | BSD-2-Clause | 77232dcadc6b560bf38f2f6d53d5fd087a321d0c | github | kernel | https://github.com/NetBSD/src/blob/77232dcadc6b560bf38f2f6d53d5fd087a321d0c/sys/arch/sun3/sun3/locore.s | 241 | 260 |
NetBSD/src:sys/arch/sun3/sun3/locore.s:5 | * 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
.align 2
#endif
GLOBAL(_isr_clock)
INTERRUPT_SAVEREG
jbsr _C_LABEL(clock_intr)
INTERRUPT_RESTORER... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun3/sun3/locore.s | BSD-2-Clause | 24fab1f688656739569c70f3f91e765774ab6a17 | github | kernel | https://github.com/NetBSD/src/blob/24fab1f688656739569c70f3f91e765774ab6a17/sys/arch/sun3/sun3/locore.s | 161 | 220 |
NetBSD/src:sys/arch/sun3/sun3/locore.s:6 | * Invalidate instruction cache
*/
ENTRY(ICIA)
movl #IC_CLEAR,%d0
movc %d0,%cacr | invalidate i-cache
rts
/* DCIA, DCIS */
/*
* Invalidate data cache.
*/
ENTRY(DCIU)
rts
/* ICPL, ICPP, DCPL, DCPP, DCPA, DCFL, DCFP */
/* PCIA */
/* loadustp, ptest_addr */
/*
* void set_segmap_allctx(vaddr_t va, int sme)
*/... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun3/sun3/locore.s | BSD-2-Clause | 24fab1f688656739569c70f3f91e765774ab6a17 | github | kernel | https://github.com/NetBSD/src/blob/24fab1f688656739569c70f3f91e765774ab6a17/sys/arch/sun3/sun3/locore.s | 201 | 260 |
NetBSD/src:sys/arch/sun3/sun3/locore.s:7 | movl #(CONTEXT_NUM - 1),%d0 | d0 = ctx number
1:
movsb %d0,%a0@ | change to ctx
movsb %d1,%a1@ | set segmap
dbf %d0,1b | loop setting each ctx
movsb %d2,%a0@ | restore ctx
movc %d3,%dfc | restore dfc
moveml %sp@+,#0x000c
unlk %fp
rts
| Define some addresses, mostly so DDB can print useful info.
| Not usi... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun3/sun3/locore.s | BSD-2-Clause | 24fab1f688656739569c70f3f91e765774ab6a17 | github | kernel | https://github.com/NetBSD/src/blob/24fab1f688656739569c70f3f91e765774ab6a17/sys/arch/sun3/sun3/locore.s | 241 | 261 |
NetBSD/src:sys/arch/sun3/sun3/locore.s:6 | * Invalidate instruction cache
*/
ENTRY(ICIA)
movl #IC_CLEAR,%d0
movc %d0,%cacr | invalidate i-cache
rts
/* DCIA, DCIS */
/*
* Invalidate data cache.
*/
ENTRY(DCIU)
rts
/* ICPL, ICPP, DCPL, DCPP, DCPA, DCFL, DCFP */
/* PCIA */
/* loadustp, ptest_addr */
/*
* _delay(unsigned N)
* Delay for at least (N/256... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun3/sun3/locore.s | BSD-2-Clause | f2ce59a6d8d16200463f724551c08168384da7b8 | github | kernel | https://github.com/NetBSD/src/blob/f2ce59a6d8d16200463f724551c08168384da7b8/sys/arch/sun3/sun3/locore.s | 201 | 260 |
NetBSD/src:sys/arch/sun3/sun3/locore.s:7 | * half-line.
*/
#ifdef __ELF__
.align 8
#else
.align 3
#endif
L_delay:
subl %d1,%d0
jgt L_delay
rts
/*
* void set_segmap_allctx(vaddr_t va, int sme)
*/
ENTRY(set_segmap_allctx)
linkw %fp,#0
moveml #0x3000,%sp@-
movl 8(%fp),%d3 | d3 = va
andl #0xffffffc,%d3
bset #29,%d3
movl %d3,%a1 | a1 = ctrladdr, d... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun3/sun3/locore.s | BSD-2-Clause | f2ce59a6d8d16200463f724551c08168384da7b8 | github | kernel | https://github.com/NetBSD/src/blob/f2ce59a6d8d16200463f724551c08168384da7b8/sys/arch/sun3/sun3/locore.s | 241 | 293 |
NetBSD/src:sys/arch/sun3/sun3/locore.s:8 | unlk %fp
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 _KERNBASE3,KERNBASE3
.set _MONSTART,SUN3_MONSTART
.set _PROM... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun3/sun3/locore.s | BSD-2-Clause | f2ce59a6d8d16200463f724551c08168384da7b8 | github | kernel | https://github.com/NetBSD/src/blob/f2ce59a6d8d16200463f724551c08168384da7b8/sys/arch/sun3/sun3/locore.s | 281 | 293 |
NetBSD/src:sys/arch/sun3/sun3/locore.s:4 | L_per_pmeg:
movsb %a0@,%d1 | copy segmap entry
movsb %d1,%a1@
addl #NBSG,%a0 | increment pointers
addl #NBSG,%a1
subql #1,%d0 | decrement count
bgt L_per_pmeg
| Kernel is now double mapped at zero and KERNBASE.
| Force a long jump to the relocated code (high VA).
movl #IC_CLEAR,%d0 | Flush the I-cache
mov... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun3/sun3/locore.s | BSD-2-Clause | 6de54b5f0e773667a6a453f9ed496e1573fb4b0c | github | kernel | https://github.com/NetBSD/src/blob/6de54b5f0e773667a6a453f9ed496e1573fb4b0c/sys/arch/sun3/sun3/locore.s | 121 | 180 |
NetBSD/src:sys/arch/sun3/sun3/locore.s:5 | * 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 see what happen.
| T=0 S=0 (should not happen)
| T=1 S=0 trace trap from user mode
| T=0 S=1 t... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun3/sun3/locore.s | BSD-2-Clause | 6de54b5f0e773667a6a453f9ed496e1573fb4b0c | github | kernel | https://github.com/NetBSD/src/blob/6de54b5f0e773667a6a453f9ed496e1573fb4b0c/sys/arch/sun3/sun3/locore.s | 161 | 220 |
NetBSD/src:sys/arch/sun3/sun3/locore.s:6 | movl %a6,%sp@(FR_SP) | from before trap
| If we 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 %... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun3/sun3/locore.s | BSD-2-Clause | 6de54b5f0e773667a6a453f9ed496e1573fb4b0c | github | kernel | https://github.com/NetBSD/src/blob/6de54b5f0e773667a6a453f9ed496e1573fb4b0c/sys/arch/sun3/sun3/locore.s | 201 | 260 |
NetBSD/src:sys/arch/sun3/sun3/locore.s:7 | * 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
.align 2
#endif
GLOBAL(_isr_clock)
INTERRUPT_SAVEREG
jbsr _C_LABEL(clock_intr)
INTERRUPT_RESTORER... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun3/sun3/locore.s | BSD-2-Clause | 579bea99f8d7b146dccdb8ef94846e9e8fa5b579 | github | kernel | https://github.com/NetBSD/src/blob/579bea99f8d7b146dccdb8ef94846e9e8fa5b579/sys/arch/sun3/sun3/locore.s | 241 | 300 |
NetBSD/src:sys/arch/sun3/sun3/locore.s:8 | * Invalidate instruction cache
*/
ENTRY(ICIA)
movl #IC_CLEAR,%d0
movc %d0,%cacr | invalidate i-cache
rts
/* DCIA, DCIS */
/*
* Invalidate data cache.
*/
ENTRY(DCIU)
rts
/* ICPL, ICPP, DCPL, DCPP, DCPA, DCFL, DCFP */
/* PCIA, ecacheon, ecacheoff */
/* loadustp, ptest_addr */
/*
* _delay(unsigned N)
* Dela... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun3/sun3/locore.s | BSD-2-Clause | 579bea99f8d7b146dccdb8ef94846e9e8fa5b579 | github | kernel | https://github.com/NetBSD/src/blob/579bea99f8d7b146dccdb8ef94846e9e8fa5b579/sys/arch/sun3/sun3/locore.s | 281 | 340 |
NetBSD/src:sys/arch/sun3/sun3/locore.s:4 | L_per_pmeg:
movsb %a0@,%d1 | copy segmap entry
movsb %d1,%a1@
addl #NBSG,%a0 | increment pointers
addl #NBSG,%a1
subql #1,%d0 | decrement count
bgt L_per_pmeg
| Kernel is now double mapped at zero and KERNBASE.
| Force a long jump to the relocated code (high VA).
movl #IC_CLEAR,%d0 | Flush the I-cache
mov... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun3/sun3/locore.s | BSD-2-Clause | 4048739f64f9f6795ecd90b007c27a0d9eb0187c | github | kernel | https://github.com/NetBSD/src/blob/4048739f64f9f6795ecd90b007c27a0d9eb0187c/sys/arch/sun3/sun3/locore.s | 121 | 180 |
NetBSD/src:sys/arch/sun3/sun3/locore.s:4 | L_per_pmeg:
movsb %a0@,%d1 | copy segmap entry
movsb %d1,%a1@
addl #NBSG,%a0 | increment pointers
addl #NBSG,%a1
subql #1,%d0 | decrement count
bgt L_per_pmeg
| Kernel is now double mapped at zero and KERNBASE.
| Force a long jump to the relocated code (high VA).
movl #IC_CLEAR,%d0 | Flush the I-cache
mov... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun3/sun3/locore.s | BSD-2-Clause | 74159c5b65be4f5b7abf2b9c3bdbc4f7b0dddcf5 | github | kernel | https://github.com/NetBSD/src/blob/74159c5b65be4f5b7abf2b9c3bdbc4f7b0dddcf5/sys/arch/sun3/sun3/locore.s | 121 | 180 |
NetBSD/src:sys/arch/sun3/sun3/locore.s:5 | | Will do fpu initialization during autoconfig (see fpu.c)
| The interrupt vector table and stack are now ready.
| Interrupts will be enabled later, AFTER autoconfiguration
| is finished, to avoid spurrious interrupts.
jra _C_LABEL(main) | main() (never returns)
| That is all the assembly startup code we need on t... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun3/sun3/locore.s | BSD-2-Clause | 74159c5b65be4f5b7abf2b9c3bdbc4f7b0dddcf5 | github | kernel | https://github.com/NetBSD/src/blob/74159c5b65be4f5b7abf2b9c3bdbc4f7b0dddcf5/sys/arch/sun3/sun3/locore.s | 161 | 220 |
NetBSD/src:sys/arch/sun3/sun3/locore.s:6 | * - 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, kernel brkpt
jra _ASM_LABEL(fault) | n... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun3/sun3/locore.s | BSD-2-Clause | 74159c5b65be4f5b7abf2b9c3bdbc4f7b0dddcf5 | github | kernel | https://github.com/NetBSD/src/blob/74159c5b65be4f5b7abf2b9c3bdbc4f7b0dddcf5/sys/arch/sun3/sun3/locore.s | 201 | 260 |
NetBSD/src:sys/arch/sun3/sun3/locore.s:7 | 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 frame
movl %a1@-,%a0@- | copy ... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun3/sun3/locore.s | BSD-2-Clause | 74159c5b65be4f5b7abf2b9c3bdbc4f7b0dddcf5 | github | kernel | https://github.com/NetBSD/src/blob/74159c5b65be4f5b7abf2b9c3bdbc4f7b0dddcf5/sys/arch/sun3/sun3/locore.s | 241 | 300 |
NetBSD/src:sys/arch/sun3/sun3/locore.s:8 | */
/*
* Primitives
*/
/*
* Use common m68k process/lwp switch and context save subroutines.
*/
#define FPCOPROC /* XXX: Temp. Reqd. */
#include <m68k/m68k/switch_subr.s>
/* TBIA, TBIS, TBIAS, TBIAU */
/*
* Invalidate instruction cache
*/
ENTRY(ICIA)
movl #IC_CLEAR,%d0
movc %d0,%cacr | invalidate i-cache
... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/sun3/sun3/locore.s | BSD-2-Clause | 74159c5b65be4f5b7abf2b9c3bdbc4f7b0dddcf5 | github | kernel | https://github.com/NetBSD/src/blob/74159c5b65be4f5b7abf2b9c3bdbc4f7b0dddcf5/sys/arch/sun3/sun3/locore.s | 281 | 340 |
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