id stringlengths 22 129 | text stringlengths 60 19.5k | arch stringclasses 9
values | syntax stringclasses 5
values | kind stringclasses 4
values | repo stringclasses 32
values | path stringlengths 7 108 | license stringclasses 10
values | commit stringlengths 40 40 | source_host stringclasses 1
value | category stringclasses 15
values | source_url stringlengths 85 192 | line_start int64 1 5.48k | line_end int64 4 5.5k |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
NetBSD/src:sys/arch/virt68k/virt68k/locore.s:16 | clrl %a1@(PCB_ONFAULT) | clear fault address
rts
#endif
ENTRY(ecacheon)
rts
ENTRY(ecacheoff)
rts
/*
* Misc. global variables.
*/
.data
GLOBAL(mmutype)
.long MMU_68040 | default to MMU_68040
GLOBAL(cputype)
.long CPU_68040 | default to CPU_68040
GLOBAL(fputype)
.long FPU_68040 | default to FPU_68040
/*
... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/virt68k/virt68k/locore.s | BSD-2-Clause | 703d1d4836bbf6504f494e94d6287e898624ade1 | github | kernel | https://github.com/NetBSD/src/blob/703d1d4836bbf6504f494e94d6287e898624ade1/sys/arch/virt68k/virt68k/locore.s | 601 | 645 |
NetBSD/src:sys/arch/virt68k/virt68k/locore.s:14 | * necessitating a stack cleanup.
*/
ASENTRY_NOPROFILE(rei)
tstl _C_LABEL(astpending) | AST pending?
jeq Ldorte | Nope. Just return.
btst #5,%sp@ | Returning to kernel mode?
jne Ldorte | Yup. Can't do ASTs
movw #PSL_LOWIPL,%sr | lower SPL
clrl %sp@- | stack adjust
moveml #0xFFFF,%sp@- | save all regist... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/virt68k/virt68k/locore.s | BSD-2-Clause | f238db949cee2629a8711612b3aee42da1acc678 | github | kernel | https://github.com/NetBSD/src/blob/f238db949cee2629a8711612b3aee42da1acc678/sys/arch/virt68k/virt68k/locore.s | 521 | 580 |
NetBSD/src:sys/arch/virt68k/virt68k/locore.s:15 | */
#include <m68k/m68k/sigcode.s>
#ifdef COMPAT_SUNOS
#include <m68k/m68k/sunos_sigcode.s>
#endif
/*
* Primitives
*/
/*
* Use common m68k support routines.
*/
#include <m68k/m68k/support.s>
/*
* Use common m68k process/lwp switch and context save subroutines.
*/
#define FPCOPROC /* XXX: Temp. Reqd. */
#include... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/virt68k/virt68k/locore.s | BSD-2-Clause | f238db949cee2629a8711612b3aee42da1acc678 | github | kernel | https://github.com/NetBSD/src/blob/f238db949cee2629a8711612b3aee42da1acc678/sys/arch/virt68k/virt68k/locore.s | 561 | 620 |
NetBSD/src:sys/arch/virt68k/virt68k/locore.s:16 | jra Lsldone
Lslerr:
moveq #-1,%d0
Lsldone:
movl _C_LABEL(curpcb),%a1 | current pcb
clrl %a1@(PCB_ONFAULT) | clear fault address
rts
#endif
ENTRY(ecacheon)
rts
ENTRY(ecacheoff)
rts
/*
* Misc. global variables.
*/
.data
GLOBAL(mmutype)
.long MMU_68040 | default to MMU_68040
GLOBAL(cputype)
.long CPU_6804... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/virt68k/virt68k/locore.s | BSD-2-Clause | f238db949cee2629a8711612b3aee42da1acc678 | github | kernel | https://github.com/NetBSD/src/blob/f238db949cee2629a8711612b3aee42da1acc678/sys/arch/virt68k/virt68k/locore.s | 601 | 650 |
NetBSD/src:sys/arch/virt68k/virt68k/locore.s:17 | .asciz "clock"
.asciz "lev6"
.asciz "nmi"
.asciz "statclock"
GLOBAL(eintrnames)
.even
GLOBAL(intrcnt)
.long 0,0,0,0,0,0,0,0,0
GLOBAL(eintrcnt) | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/virt68k/virt68k/locore.s | BSD-2-Clause | f238db949cee2629a8711612b3aee42da1acc678 | github | kernel | https://github.com/NetBSD/src/blob/f238db949cee2629a8711612b3aee42da1acc678/sys/arch/virt68k/virt68k/locore.s | 641 | 650 |
NetBSD/src:sys/arch/virt68k/virt68k/locore.s:3 | lea var,ar
#define RELOC(var, ar) _RELOC(_C_LABEL(var), ar)
#define ASRELOC(var, ar) _RELOC(_ASM_LABEL(var), ar)
BSS(esym,4)
.globl _C_LABEL(edata)
.globl _C_LABEL(etext),_C_LABEL(end)
/*
* This is for kvm_mkdb, and should be the address of the beginning
* of the kernel text segment (not necessarily the same a... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/virt68k/virt68k/locore.s | BSD-2-Clause | f2eefce19f92c3c2d4969dc54ae1162d132c6f20 | github | kernel | https://github.com/NetBSD/src/blob/f2eefce19f92c3c2d4969dc54ae1162d132c6f20/sys/arch/virt68k/virt68k/locore.s | 81 | 140 |
NetBSD/src:sys/arch/virt68k/virt68k/locore.s:4 | RELOC(bootinfo_start,%a0)
movl #_C_LABEL(end),%sp@-
jbsr %a0@ | bootinfo_start(end)
addql #4,%sp
/* XXX XXX XXX */
movl #CACHE_OFF,%d0
movc %d0,%cacr | clear and disable on-chip cache(s)
/* XXX XXX XXX */
/*
* bootinfo_start() will have determined what kind of CPU
* we have, so it's time to fix up the ... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/virt68k/virt68k/locore.s | BSD-2-Clause | f2eefce19f92c3c2d4969dc54ae1162d132c6f20 | github | kernel | https://github.com/NetBSD/src/blob/f2eefce19f92c3c2d4969dc54ae1162d132c6f20/sys/arch/virt68k/virt68k/locore.s | 121 | 180 |
NetBSD/src:sys/arch/virt68k/virt68k/locore.s:5 | /* initialize source/destination control registers for movs */
moveq #FC_USERD,%d0 | user space
movc %d0,%sfc | as source
movc %d0,%dfc | and destination of transfers
/*
* bootinfo_start() recorded the first PA following the
* bootinfo in bootinfo_end. That represents the end of
* the loaded image. ... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/virt68k/virt68k/locore.s | BSD-2-Clause | f2eefce19f92c3c2d4969dc54ae1162d132c6f20 | github | kernel | https://github.com/NetBSD/src/blob/f2eefce19f92c3c2d4969dc54ae1162d132c6f20/sys/arch/virt68k/virt68k/locore.s | 161 | 220 |
NetBSD/src:sys/arch/virt68k/virt68k/locore.s:6 | Lstploaddone:
RELOC(mmutype, %a0)
cmpl #MMU_68040,%a0@ | 68040?
jne Lmotommu2 | no, skip
movl #VIRT68K_TT40_IO,%d0 | DTT0 maps the I/O space
.long 0x4e7b0006 | movc d0,dtt0
moveq #0,%d0 | ensure the other TT regs are disabled
.long 0x4e7b0004 | movc d0,itt0
.long 0x4e7b0005 | movc d0,itt1
.long 0x4e7b... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/virt68k/virt68k/locore.s | BSD-2-Clause | f2eefce19f92c3c2d4969dc54ae1162d132c6f20 | github | kernel | https://github.com/NetBSD/src/blob/f2eefce19f92c3c2d4969dc54ae1162d132c6f20/sys/arch/virt68k/virt68k/locore.s | 201 | 260 |
NetBSD/src:sys/arch/virt68k/virt68k/locore.s:7 | Lenab1:
/* Point the CPU VBR at our vector table */
movl #_C_LABEL(vectab),%d0 | get our VBR address
movc %d0,%vbr
lea _ASM_LABEL(tmpstk),%sp | temporary stack
/* call final pmap setup */
jbsr _C_LABEL(pmap_bootstrap_finalize)
/* set kernel stack, user SP */
movl _C_LABEL(lwp0uarea),%a1 | get lwp0 uarea
lea %a1@(... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/virt68k/virt68k/locore.s | BSD-2-Clause | f2eefce19f92c3c2d4969dc54ae1162d132c6f20 | github | kernel | https://github.com/NetBSD/src/blob/f2eefce19f92c3c2d4969dc54ae1162d132c6f20/sys/arch/virt68k/virt68k/locore.s | 241 | 300 |
NetBSD/src:sys/arch/virt68k/virt68k/locore.s:8 | */
movw #PSL_LOWIPL,%sr | lower SPL
#endif
clrw %sp@- | vector offset/frame type
clrl %sp@- | PC - filled in by "execve"
movw #PSL_USER,%sp@- | in user mode
clrl %sp@- | stack adjust count and padding
lea %sp@(-64),%sp | construct space for D0-D7/A0-A7
lea _C_LABEL(lwp0),%a0 | save pointer to frame
mov... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/virt68k/virt68k/locore.s | BSD-2-Clause | f2eefce19f92c3c2d4969dc54ae1162d132c6f20 | github | kernel | https://github.com/NetBSD/src/blob/f2eefce19f92c3c2d4969dc54ae1162d132c6f20/sys/arch/virt68k/virt68k/locore.s | 281 | 340 |
NetBSD/src:sys/arch/virt68k/virt68k/locore.s:9 | Lfp_unimp:
#endif /* M68040 */
jra _C_LABEL(illinst)
ENTRY_NOPROFILE(fpunsupp)
#if defined(M68040)
cmpl #FPU_68040,_C_LABEL(fputype) | 68040 FPU?
jne Lfp_unsupp | No, skip FPSP
#ifdef FPSP
jmp _ASM_LABEL(fpsp_unsupp) | yes, go handle it
#else
clrl %sp@- | stack adjust count
moveml #0xFFFF,%sp@- | save regist... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/virt68k/virt68k/locore.s | BSD-2-Clause | f2eefce19f92c3c2d4969dc54ae1162d132c6f20 | github | kernel | https://github.com/NetBSD/src/blob/f2eefce19f92c3c2d4969dc54ae1162d132c6f20/sys/arch/virt68k/virt68k/locore.s | 321 | 380 |
NetBSD/src:sys/arch/virt68k/virt68k/locore.s:10 | tstb %a0@ | null state frame?
jeq Lfptnull | yes, safe
clrw %d0 | no, need to tweak BIU
movb %a0@(1),%d0 | get frame size
bset #3,%a0@(0,%d0:w) | set exc_pend bit of BIU
Lfptnull:
fmovem %fpsr,%sp@- | push fpsr as code argument
frestore %a0@ | restore state
movl #T_FPERR,%sp@- | push type arg
jra _ASM_LABEL(... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/virt68k/virt68k/locore.s | BSD-2-Clause | f2eefce19f92c3c2d4969dc54ae1162d132c6f20 | github | kernel | https://github.com/NetBSD/src/blob/f2eefce19f92c3c2d4969dc54ae1162d132c6f20/sys/arch/virt68k/virt68k/locore.s | 361 | 420 |
NetBSD/src:sys/arch/virt68k/virt68k/locore.s:11 | addql #8,%sp | pop SP and stack adjust
rte
/*
* Trap 12 is the entry point for the cachectl "syscall" (both HPUX & BSD)
* cachectl(command, addr, length)
* command in d0, addr in a1, length in d1
*/
ENTRY_NOPROFILE(trap12)
movl _C_LABEL(curlwp),%a0
movl %a0@(L_PROC),%sp@- | push current proc pointer
movl %d1... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/virt68k/virt68k/locore.s | BSD-2-Clause | f2eefce19f92c3c2d4969dc54ae1162d132c6f20 | github | kernel | https://github.com/NetBSD/src/blob/f2eefce19f92c3c2d4969dc54ae1162d132c6f20/sys/arch/virt68k/virt68k/locore.s | 401 | 460 |
NetBSD/src:sys/arch/virt68k/virt68k/locore.s:12 | * 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().
*/
ENTRY_NOPROFILE(trap15)
clrl %sp@- | stack adjust count
moveml #0xFFFF,%sp@-
moveq #T_TRAP15,%d0
movw... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/virt68k/virt68k/locore.s | BSD-2-Clause | f2eefce19f92c3c2d4969dc54ae1162d132c6f20 | github | kernel | https://github.com/NetBSD/src/blob/f2eefce19f92c3c2d4969dc54ae1162d132c6f20/sys/arch/virt68k/virt68k/locore.s | 441 | 500 |
NetBSD/src:sys/arch/virt68k/virt68k/locore.s:13 | | the trap type is either T_TRACE or T_BREAKPOINT.
| If we have both DDB and KGDB, let KGDB see it first,
| because KGDB will just return 0 if not connected.
| Save args in d2, a2
movl %d0,%d2 | trap type
movl %sp,%a2 | frame ptr
#ifdef KGDB
| Let KGDB handle it (if connected)
movl %a2,%sp@- | push frame pt... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/virt68k/virt68k/locore.s | BSD-2-Clause | f2eefce19f92c3c2d4969dc54ae1162d132c6f20 | github | kernel | https://github.com/NetBSD/src/blob/f2eefce19f92c3c2d4969dc54ae1162d132c6f20/sys/arch/virt68k/virt68k/locore.s | 481 | 540 |
NetBSD/src:sys/arch/virt68k/virt68k/locore.s:14 | */
#include <m68k/m68k/sigreturn.s>
/*
* Interrupt handlers.
*
* For auto-vectored interrupts, the CPU provides the
* vector 0x18+level.
*
* intrhand_autovec is the entry point for auto-vectored
* interrupts.
*/
ENTRY_NOPROFILE(intrhand_autovec)
addql #1,_C_LABEL(intr_depth)
INTERRUPT_SAVEREG
lea %sp@(16),... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/virt68k/virt68k/locore.s | BSD-2-Clause | f2eefce19f92c3c2d4969dc54ae1162d132c6f20 | github | kernel | https://github.com/NetBSD/src/blob/f2eefce19f92c3c2d4969dc54ae1162d132c6f20/sys/arch/virt68k/virt68k/locore.s | 521 | 580 |
NetBSD/src:sys/arch/virt68k/virt68k/locore.s:15 | jne Ldorte | Yup. Can't do ASTs
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
Lrei1: clrl %sp@- | VA == none
clrl %sp@- | code == none
movl #T_ASTFLT,%sp@- | type == async system t... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/virt68k/virt68k/locore.s | BSD-2-Clause | f2eefce19f92c3c2d4969dc54ae1162d132c6f20 | github | kernel | https://github.com/NetBSD/src/blob/f2eefce19f92c3c2d4969dc54ae1162d132c6f20/sys/arch/virt68k/virt68k/locore.s | 561 | 620 |
NetBSD/src:sys/arch/virt68k/virt68k/locore.s:16 | /*
* 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>
#if defined(M68040) || defined(M68060)
ENTRY(suline)
movl %sp@(4),%a0 ... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/virt68k/virt68k/locore.s | BSD-2-Clause | f2eefce19f92c3c2d4969dc54ae1162d132c6f20 | github | kernel | https://github.com/NetBSD/src/blob/f2eefce19f92c3c2d4969dc54ae1162d132c6f20/sys/arch/virt68k/virt68k/locore.s | 601 | 660 |
NetBSD/src:sys/arch/virt68k/virt68k/locore.s:17 | rts
#endif
ENTRY(ecacheon)
rts
ENTRY(ecacheoff)
rts
/*
* Misc. global variables.
*/
.data
GLOBAL(mmutype)
.long MMU_68040 | default to MMU_68040
GLOBAL(cputype)
.long CPU_68040 | default to CPU_68040
GLOBAL(fputype)
.long FPU_68040 | default to FPU_68040
/*
* interrupt counters.
* XXXSCW: Will go away... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/virt68k/virt68k/locore.s | BSD-2-Clause | f2eefce19f92c3c2d4969dc54ae1162d132c6f20 | github | kernel | https://github.com/NetBSD/src/blob/f2eefce19f92c3c2d4969dc54ae1162d132c6f20/sys/arch/virt68k/virt68k/locore.s | 641 | 684 |
NetBSD/src:sys/arch/virt68k/virt68k/locore.s:16 | /*
* 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>
#if defined(M68040) || defined(M68060)
ENTRY(suline)
movl %sp@(4),%a0 ... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/virt68k/virt68k/locore.s | BSD-2-Clause | ee808e2fd9dcf231953d9f4e2e324e871b12bc23 | github | kernel | https://github.com/NetBSD/src/blob/ee808e2fd9dcf231953d9f4e2e324e871b12bc23/sys/arch/virt68k/virt68k/locore.s | 601 | 660 |
NetBSD/src:sys/arch/virt68k/virt68k/locore.s:17 | rts
#endif
ENTRY(ecacheon)
rts
ENTRY(ecacheoff)
rts
ENTRY(getsr)
moveq #0,%d0
movw %sr,%d0
rts
/*
* Misc. global variables.
*/
.data
GLOBAL(mmutype)
.long MMU_68040 | default to MMU_68040
GLOBAL(cputype)
.long CPU_68040 | default to CPU_68040
GLOBAL(fputype)
.long FPU_68040 | default to FPU_68040
/*... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/virt68k/virt68k/locore.s | BSD-2-Clause | ee808e2fd9dcf231953d9f4e2e324e871b12bc23 | github | kernel | https://github.com/NetBSD/src/blob/ee808e2fd9dcf231953d9f4e2e324e871b12bc23/sys/arch/virt68k/virt68k/locore.s | 641 | 689 |
NetBSD/src:sys/arch/virt68k/virt68k/locore.s:16 | /*
* 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>
#if defined(M68040) || defined(M68060)
ENTRY(suline)
movl %sp@(4),%a0 ... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/virt68k/virt68k/locore.s | BSD-2-Clause | 8050dcbaaa0d252649771156d21387cf64f1c298 | github | kernel | https://github.com/NetBSD/src/blob/8050dcbaaa0d252649771156d21387cf64f1c298/sys/arch/virt68k/virt68k/locore.s | 601 | 660 |
NetBSD/src:sys/arch/virt68k/virt68k/locore.s:17 | rts
#endif
ENTRY(ecacheon)
rts
ENTRY(ecacheoff)
rts
/*
* Get callers current SP value.
* Note that simply taking the address of a local variable in a C function
* doesn't work because callee saved registers may be outside the stack frame
* defined by A6 (e.g. GCC generated code).
*/
ENTRY_NOPROFILE(getsp)
m... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/virt68k/virt68k/locore.s | BSD-2-Clause | 8050dcbaaa0d252649771156d21387cf64f1c298 | github | kernel | https://github.com/NetBSD/src/blob/8050dcbaaa0d252649771156d21387cf64f1c298/sys/arch/virt68k/virt68k/locore.s | 641 | 700 |
NetBSD/src:sys/arch/virt68k/virt68k/locore.s:18 | /*
* interrupt counters.
* XXXSCW: Will go away soon; kept here to keep vmstat happy
*/
GLOBAL(intrnames)
.asciz "spur"
.asciz "lev1"
.asciz "lev2"
.asciz "lev3"
.asciz "lev4"
.asciz "clock"
.asciz "lev6"
.asciz "nmi"
.asciz "statclock"
GLOBAL(eintrnames)
.even
GLOBAL(intrcnt)
.long 0,0,0,0,0,0,0,0,0
GLO... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/virt68k/virt68k/locore.s | BSD-2-Clause | 8050dcbaaa0d252649771156d21387cf64f1c298 | github | kernel | https://github.com/NetBSD/src/blob/8050dcbaaa0d252649771156d21387cf64f1c298/sys/arch/virt68k/virt68k/locore.s | 681 | 701 |
NetBSD/src:sys/arch/virt68k/virt68k/locore.s:3 | lea var,ar
#define RELOC(var, ar) _RELOC(_C_LABEL(var), ar)
#define ASRELOC(var, ar) _RELOC(_ASM_LABEL(var), ar)
BSS(lowram,4)
BSS(esym,4)
.globl _C_LABEL(edata)
.globl _C_LABEL(etext),_C_LABEL(end)
/*
* This is for kvm_mkdb, and should be the address of the beginning
* of the kernel text segment (not necessar... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/virt68k/virt68k/locore.s | BSD-2-Clause | 219483d9ac8b4beb5e84ee761625f29ac41f0242 | github | kernel | https://github.com/NetBSD/src/blob/219483d9ac8b4beb5e84ee761625f29ac41f0242/sys/arch/virt68k/virt68k/locore.s | 81 | 140 |
NetBSD/src:sys/arch/virt68k/virt68k/locore.s:4 | * The bootinfo immediately follows the kernel. Go parse
* it to get CPU/FPU/MMU information and figure out where
* the end of the loaded image really is.
*/
RELOC(bootinfo_start,%a0)
movl #_C_LABEL(end),%sp@-
jbsr %a0@ | bootinfo_start(end)
addql #4,%sp
/* XXX XXX XXX */
movl #CACHE_OFF,%d0
movc %d0,%c... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/virt68k/virt68k/locore.s | BSD-2-Clause | 219483d9ac8b4beb5e84ee761625f29ac41f0242 | github | kernel | https://github.com/NetBSD/src/blob/219483d9ac8b4beb5e84ee761625f29ac41f0242/sys/arch/virt68k/virt68k/locore.s | 121 | 180 |
NetBSD/src:sys/arch/virt68k/virt68k/locore.s:5 | /* Config botch. No hope. SOLDIER ON! */
Lstart1:
/* initialize source/destination control registers for movs */
moveq #FC_USERD,%d0 | user space
movc %d0,%sfc | as source
movc %d0,%dfc | and destination of transfers
/*
* bootinfo_start() recorded the first PA following the
* bootinfo in bootinfo_end... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/virt68k/virt68k/locore.s | BSD-2-Clause | 219483d9ac8b4beb5e84ee761625f29ac41f0242 | github | kernel | https://github.com/NetBSD/src/blob/219483d9ac8b4beb5e84ee761625f29ac41f0242/sys/arch/virt68k/virt68k/locore.s | 161 | 220 |
NetBSD/src:sys/arch/virt68k/virt68k/locore.s:6 | RELOC(protorp, %a0)
movl %d1,%a0@(4) | segtable address
pmove %a0@,%srp | load the supervisor root pointer
#endif /* M68030 */
Lstploaddone:
RELOC(mmutype, %a0)
cmpl #MMU_68040,%a0@ | 68040?
jne Lmotommu2 | no, skip
movl #VIRT68K_TT40_IO,%d0 | DTT0 maps the I/O space
.long 0x4e7b0006 | movc d0,dtt0
moveq... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/virt68k/virt68k/locore.s | BSD-2-Clause | 219483d9ac8b4beb5e84ee761625f29ac41f0242 | github | kernel | https://github.com/NetBSD/src/blob/219483d9ac8b4beb5e84ee761625f29ac41f0242/sys/arch/virt68k/virt68k/locore.s | 201 | 260 |
NetBSD/src:sys/arch/virt68k/virt68k/locore.s:7 | /*
* Should be running mapped from this point on
*/
Lenab1:
/* Point the CPU VBR at our vector table */
movl #_C_LABEL(vectab),%d0 | get our VBR address
movc %d0,%vbr
lea _ASM_LABEL(tmpstk),%sp | temporary stack
/* call final pmap setup */
jbsr _C_LABEL(pmap_bootstrap_finalize)
/* set kernel stack, user SP */
mo... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/virt68k/virt68k/locore.s | BSD-2-Clause | 219483d9ac8b4beb5e84ee761625f29ac41f0242 | github | kernel | https://github.com/NetBSD/src/blob/219483d9ac8b4beb5e84ee761625f29ac41f0242/sys/arch/virt68k/virt68k/locore.s | 241 | 300 |
NetBSD/src:sys/arch/virt68k/virt68k/locore.s:8 | /*
* XXX Don't do the spl0() here; when Qemu performs a reboot request,
* XXX it seems to not clear pending interrupts, and so we blow up
* XXX early when the new kernel starts up.
*/
movw #PSL_LOWIPL,%sr | lower SPL
#endif
clrw %sp@- | vector offset/frame type
clrl %sp@- | PC - filled in by "execve"
m... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/virt68k/virt68k/locore.s | BSD-2-Clause | 219483d9ac8b4beb5e84ee761625f29ac41f0242 | github | kernel | https://github.com/NetBSD/src/blob/219483d9ac8b4beb5e84ee761625f29ac41f0242/sys/arch/virt68k/virt68k/locore.s | 281 | 340 |
NetBSD/src:sys/arch/virt68k/virt68k/locore.s:9 | moveml #0xFFFF,%sp@- | save registers
moveq #T_FPEMULD,%d0 | denote as FP emulation trap
jra _ASM_LABEL(fault) | do it
#endif
Lfp_unimp:
#endif /* M68040 */
jra _C_LABEL(illinst)
ENTRY_NOPROFILE(fpunsupp)
#if defined(M68040)
cmpl #FPU_68040,_C_LABEL(fputype) | 68040 FPU?
jne Lfp_unsupp | No, skip FPSP
#ifdef F... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/virt68k/virt68k/locore.s | BSD-2-Clause | 219483d9ac8b4beb5e84ee761625f29ac41f0242 | github | kernel | https://github.com/NetBSD/src/blob/219483d9ac8b4beb5e84ee761625f29ac41f0242/sys/arch/virt68k/virt68k/locore.s | 321 | 380 |
NetBSD/src:sys/arch/virt68k/virt68k/locore.s:10 | /* always null state frame on 68040, 68060 */
cmpl #FPU_68040,_C_LABEL(fputype)
jge Lfptnull
#endif
tstb %a0@ | null state frame?
jeq Lfptnull | yes, safe
clrw %d0 | no, need to tweak BIU
movb %a0@(1),%d0 | get frame size
bset #3,%a0@(0,%d0:w) | set exc_pend bit of BIU
Lfptnull:
fmovem %fpsr,%sp@- | push fpsr... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/virt68k/virt68k/locore.s | BSD-2-Clause | 219483d9ac8b4beb5e84ee761625f29ac41f0242 | github | kernel | https://github.com/NetBSD/src/blob/219483d9ac8b4beb5e84ee761625f29ac41f0242/sys/arch/virt68k/virt68k/locore.s | 361 | 420 |
NetBSD/src:sys/arch/virt68k/virt68k/locore.s:11 | jne Lrei1 | Yup, go deal with it.
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
rte
/*
* Trap 12 is the entry point for the cachectl "syscall" (both HPUX & BSD)
* cachectl(command, addr, length)
* co... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/virt68k/virt68k/locore.s | BSD-2-Clause | 219483d9ac8b4beb5e84ee761625f29ac41f0242 | github | kernel | https://github.com/NetBSD/src/blob/219483d9ac8b4beb5e84ee761625f29ac41f0242/sys/arch/virt68k/virt68k/locore.s | 401 | 460 |
NetBSD/src:sys/arch/virt68k/virt68k/locore.s:12 | jeq Lkbrkpt | yes, kernel breakpoint
jra _ASM_LABEL(fault) | no, user-mode fault
/*
* Trap 15 is used for:
* - GDB breakpoints (in user programs)
* - KGDB breakpoints (in the kernel)
* - trace traps for SUN binaries (not fully supported yet)
* User mode traps are simply passed to trap().
*/
ENTRY_NOPROFILE(tr... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/virt68k/virt68k/locore.s | BSD-2-Clause | 219483d9ac8b4beb5e84ee761625f29ac41f0242 | github | kernel | https://github.com/NetBSD/src/blob/219483d9ac8b4beb5e84ee761625f29ac41f0242/sys/arch/virt68k/virt68k/locore.s | 441 | 500 |
NetBSD/src:sys/arch/virt68k/virt68k/locore.s:13 | Lbrkpt2:
| Call the trap handler for the kernel debugger.
| Do not call trap() to do it, so that we can
| set breakpoints in trap() if we want. We know
| the trap type is either T_TRACE or T_BREAKPOINT.
| If we have both DDB and KGDB, let KGDB see it first,
| because KGDB will just return 0 if not connected.
| ... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/virt68k/virt68k/locore.s | BSD-2-Clause | 219483d9ac8b4beb5e84ee761625f29ac41f0242 | github | kernel | https://github.com/NetBSD/src/blob/219483d9ac8b4beb5e84ee761625f29ac41f0242/sys/arch/virt68k/virt68k/locore.s | 481 | 540 |
NetBSD/src:sys/arch/virt68k/virt68k/locore.s:14 | rte | all done
/*
* Use common m68k sigreturn routine.
*/
#include <m68k/m68k/sigreturn.s>
/*
* Interrupt handlers.
*
* For auto-vectored interrupts, the CPU provides the
* vector 0x18+level.
*
* intrhand_autovec is the entry point for auto-vectored
* interrupts.
*/
ENTRY_NOPROFILE(intrhand_autovec)
ad... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/virt68k/virt68k/locore.s | BSD-2-Clause | 219483d9ac8b4beb5e84ee761625f29ac41f0242 | github | kernel | https://github.com/NetBSD/src/blob/219483d9ac8b4beb5e84ee761625f29ac41f0242/sys/arch/virt68k/virt68k/locore.s | 521 | 580 |
NetBSD/src:sys/arch/virt68k/virt68k/locore.s:15 | ASENTRY_NOPROFILE(rei)
tstl _C_LABEL(astpending) | AST pending?
jeq Ldorte | Nope. Just return.
btst #5,%sp@ | Returning to kernel mode?
jne Ldorte | Yup. Can't do ASTs
movw #PSL_LOWIPL,%sr | lower SPL
clrl %sp@- | stack adjust
moveml #0xFFFF,%sp@- | save all registers
movl %usp,%a1 | including
movl... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/virt68k/virt68k/locore.s | BSD-2-Clause | 219483d9ac8b4beb5e84ee761625f29ac41f0242 | github | kernel | https://github.com/NetBSD/src/blob/219483d9ac8b4beb5e84ee761625f29ac41f0242/sys/arch/virt68k/virt68k/locore.s | 561 | 620 |
NetBSD/src:sys/arch/virt68k/virt68k/locore.s:16 | #ifdef COMPAT_SUNOS
#include <m68k/m68k/sunos_sigcode.s>
#endif
/*
* Primitives
*/
/*
* Use common m68k support routines.
*/
#include <m68k/m68k/support.s>
/*
* Use common m68k process/lwp switch and context save subroutines.
*/
#define FPCOPROC /* XXX: Temp. Reqd. */
#include <m68k/m68k/switch_subr.s>
#if de... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/virt68k/virt68k/locore.s | BSD-2-Clause | 219483d9ac8b4beb5e84ee761625f29ac41f0242 | github | kernel | https://github.com/NetBSD/src/blob/219483d9ac8b4beb5e84ee761625f29ac41f0242/sys/arch/virt68k/virt68k/locore.s | 601 | 660 |
NetBSD/src:sys/arch/virt68k/virt68k/locore.s:17 | moveq #-1,%d0
Lsldone:
movl _C_LABEL(curpcb),%a1 | current pcb
clrl %a1@(PCB_ONFAULT) | clear fault address
rts
#endif
ENTRY(ecacheon)
rts
ENTRY(ecacheoff)
rts
/*
* Get callers current SP value.
* Note that simply taking the address of a local variable in a C function
* doesn't work because callee saved reg... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/virt68k/virt68k/locore.s | BSD-2-Clause | 219483d9ac8b4beb5e84ee761625f29ac41f0242 | github | kernel | https://github.com/NetBSD/src/blob/219483d9ac8b4beb5e84ee761625f29ac41f0242/sys/arch/virt68k/virt68k/locore.s | 641 | 700 |
NetBSD/src:sys/arch/virt68k/virt68k/locore.s:18 | .long CPU_68040 | default to CPU_68040
GLOBAL(fputype)
.long FPU_68040 | default to FPU_68040
/*
* interrupt counters.
* XXXSCW: Will go away soon; kept here to keep vmstat happy
*/
GLOBAL(intrnames)
.asciz "spur"
.asciz "lev1"
.asciz "lev2"
.asciz "lev3"
.asciz "lev4"
.asciz "clock"
.asciz "lev6"
.asciz ... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/virt68k/virt68k/locore.s | BSD-2-Clause | 219483d9ac8b4beb5e84ee761625f29ac41f0242 | github | kernel | https://github.com/NetBSD/src/blob/219483d9ac8b4beb5e84ee761625f29ac41f0242/sys/arch/virt68k/virt68k/locore.s | 681 | 705 |
NetBSD/src:sys/arch/virt68k/virt68k/locore.s:5 | /* Config botch. No hope. SOLDIER ON! */
Lstart1:
/* initialize source/destination control registers for movs */
moveq #FC_USERD,%d0 | user space
movc %d0,%sfc | as source
movc %d0,%dfc | and destination of transfers
/*
* bootinfo_start() recorded the first PA following the
* bootinfo in bootinfo_end... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/virt68k/virt68k/locore.s | BSD-2-Clause | e697980812a414790d0f92bfc363722df6302a00 | github | kernel | https://github.com/NetBSD/src/blob/e697980812a414790d0f92bfc363722df6302a00/sys/arch/virt68k/virt68k/locore.s | 161 | 220 |
NetBSD/src:sys/arch/virt68k/virt68k/locore.s:6 | movl #MMU51_SRP_BITS,%a0@ | see pmap.h
movl %d1,%a0@(4) | + segtable address
pmove %a0@,%srp | load the supervisor root pointer
movl #MMU51_CRP_BITS,%a0@ | reinit upper half for CRP loads
Lstploaddone:
RELOC(mmutype, %a0)
cmpl #MMU_68040,%a0@ | 68040?
jne Lmotommu2 | no, skip
movl #VIRT68K_TT40_IO,%d0 | DT... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/virt68k/virt68k/locore.s | BSD-2-Clause | e697980812a414790d0f92bfc363722df6302a00 | github | kernel | https://github.com/NetBSD/src/blob/e697980812a414790d0f92bfc363722df6302a00/sys/arch/virt68k/virt68k/locore.s | 201 | 260 |
NetBSD/src:sys/arch/virt68k/virt68k/locore.s:7 | pmove %sp@,%tc | load it
/*
* Should be running mapped from this point on
*/
Lenab1:
/* Point the CPU VBR at our vector table */
movl #_C_LABEL(vectab),%d0 | get our VBR address
movc %d0,%vbr
lea _ASM_LABEL(tmpstk),%sp | temporary stack
/* call final pmap setup */
jbsr _C_LABEL(pmap_bootstrap_finalize)
/* set k... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/virt68k/virt68k/locore.s | BSD-2-Clause | e697980812a414790d0f92bfc363722df6302a00 | github | kernel | https://github.com/NetBSD/src/blob/e697980812a414790d0f92bfc363722df6302a00/sys/arch/virt68k/virt68k/locore.s | 241 | 300 |
NetBSD/src:sys/arch/virt68k/virt68k/locore.s:8 | #if 0
/*
* XXX Don't do the spl0() here; when Qemu performs a reboot request,
* XXX it seems to not clear pending interrupts, and so we blow up
* XXX early when the new kernel starts up.
*/
movw #PSL_LOWIPL,%sr | lower SPL
#endif
clrw %sp@- | vector offset/frame type
clrl %sp@- | PC - filled in by "exe... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/virt68k/virt68k/locore.s | BSD-2-Clause | e697980812a414790d0f92bfc363722df6302a00 | github | kernel | https://github.com/NetBSD/src/blob/e697980812a414790d0f92bfc363722df6302a00/sys/arch/virt68k/virt68k/locore.s | 281 | 340 |
NetBSD/src:sys/arch/virt68k/virt68k/locore.s:9 | clrl %sp@- | stack adjust count
moveml #0xFFFF,%sp@- | save registers
moveq #T_FPEMULD,%d0 | denote as FP emulation trap
jra _ASM_LABEL(fault) | do it
#endif
Lfp_unimp:
#endif /* M68040 */
jra _C_LABEL(illinst)
ENTRY_NOPROFILE(fpunsupp)
#if defined(M68040)
cmpl #FPU_68040,_C_LABEL(fputype) | 68040 FPU?
jne L... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/virt68k/virt68k/locore.s | BSD-2-Clause | e697980812a414790d0f92bfc363722df6302a00 | github | kernel | https://github.com/NetBSD/src/blob/e697980812a414790d0f92bfc363722df6302a00/sys/arch/virt68k/virt68k/locore.s | 321 | 380 |
NetBSD/src:sys/arch/virt68k/virt68k/locore.s:10 | #if defined(M68040) || defined(M68060)
/* always null state frame on 68040, 68060 */
cmpl #FPU_68040,_C_LABEL(fputype)
jge Lfptnull
#endif
tstb %a0@ | null state frame?
jeq Lfptnull | yes, safe
clrw %d0 | no, need to tweak BIU
movb %a0@(1),%d0 | get frame size
bset #3,%a0@(0,%d0:w) | set exc_pend bit of BIU
L... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/virt68k/virt68k/locore.s | BSD-2-Clause | e697980812a414790d0f92bfc363722df6302a00 | github | kernel | https://github.com/NetBSD/src/blob/e697980812a414790d0f92bfc363722df6302a00/sys/arch/virt68k/virt68k/locore.s | 361 | 420 |
NetBSD/src:sys/arch/virt68k/virt68k/locore.s:11 | tstl _C_LABEL(astpending) | AST pending?
jne Lrei1 | Yup, go deal with it.
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
rte
/*
* Trap 12 is the entry point for the cachectl "syscall" (both HPUX & BSD... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/virt68k/virt68k/locore.s | BSD-2-Clause | e697980812a414790d0f92bfc363722df6302a00 | github | kernel | https://github.com/NetBSD/src/blob/e697980812a414790d0f92bfc363722df6302a00/sys/arch/virt68k/virt68k/locore.s | 401 | 460 |
NetBSD/src:sys/arch/virt68k/virt68k/locore.s:13 | Lbrkpt2:
| Call the trap handler for the kernel debugger.
| Do not call trap() to do it, so that we can
| set breakpoints in trap() if we want. We know
| the trap type is either T_TRACE or T_BREAKPOINT.
| If we have both DDB and KGDB, let KGDB see it first,
| because KGDB will just return 0 if not connected.
| ... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/virt68k/virt68k/locore.s | BSD-2-Clause | e697980812a414790d0f92bfc363722df6302a00 | github | kernel | https://github.com/NetBSD/src/blob/e697980812a414790d0f92bfc363722df6302a00/sys/arch/virt68k/virt68k/locore.s | 481 | 540 |
NetBSD/src:sys/arch/virt68k/virt68k/locore.s:14 | movl %sp@,%sp | ... and sp
rte | all done
/*
* Use common m68k sigreturn routine.
*/
#include <m68k/m68k/sigreturn.s>
/*
* Interrupt handlers.
*
* For auto-vectored interrupts, the CPU provides the
* vector 0x18+level.
*
* intrhand_autovec is the entry point for auto-vectored
* interrupts.
*/
ENTRY_NO... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/virt68k/virt68k/locore.s | BSD-2-Clause | e697980812a414790d0f92bfc363722df6302a00 | github | kernel | https://github.com/NetBSD/src/blob/e697980812a414790d0f92bfc363722df6302a00/sys/arch/virt68k/virt68k/locore.s | 521 | 580 |
NetBSD/src:sys/arch/virt68k/virt68k/locore.s:15 | */
ASENTRY_NOPROFILE(rei)
tstl _C_LABEL(astpending) | AST pending?
jeq Ldorte | Nope. Just return.
btst #5,%sp@ | Returning to kernel mode?
jne Ldorte | Yup. Can't do ASTs
movw #PSL_LOWIPL,%sr | lower SPL
clrl %sp@- | stack adjust
moveml #0xFFFF,%sp@- | save all registers
movl %usp,%a1 | including
m... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/virt68k/virt68k/locore.s | BSD-2-Clause | e697980812a414790d0f92bfc363722df6302a00 | github | kernel | https://github.com/NetBSD/src/blob/e697980812a414790d0f92bfc363722df6302a00/sys/arch/virt68k/virt68k/locore.s | 561 | 620 |
NetBSD/src:sys/arch/virt68k/virt68k/locore.s:16 | #include <m68k/m68k/sigcode.s>
#ifdef COMPAT_SUNOS
#include <m68k/m68k/sunos_sigcode.s>
#endif
/*
* Primitives
*/
/*
* Use common m68k support routines.
*/
#include <m68k/m68k/support.s>
/*
* Use common m68k process/lwp switch and context save subroutines.
*/
#define FPCOPROC /* XXX: Temp. Reqd. */
#include <m... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/virt68k/virt68k/locore.s | BSD-2-Clause | e697980812a414790d0f92bfc363722df6302a00 | github | kernel | https://github.com/NetBSD/src/blob/e697980812a414790d0f92bfc363722df6302a00/sys/arch/virt68k/virt68k/locore.s | 601 | 660 |
NetBSD/src:sys/arch/virt68k/virt68k/locore.s:17 | Lslerr:
moveq #-1,%d0
Lsldone:
movl _C_LABEL(curpcb),%a1 | current pcb
clrl %a1@(PCB_ONFAULT) | clear fault address
rts
#endif
ENTRY(ecacheon)
rts
ENTRY(ecacheoff)
rts
/*
* Get callers current SP value.
* Note that simply taking the address of a local variable in a C function
* doesn't work because callee ... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/virt68k/virt68k/locore.s | BSD-2-Clause | e697980812a414790d0f92bfc363722df6302a00 | github | kernel | https://github.com/NetBSD/src/blob/e697980812a414790d0f92bfc363722df6302a00/sys/arch/virt68k/virt68k/locore.s | 641 | 700 |
NetBSD/src:sys/arch/virt68k/virt68k/locore.s:18 | GLOBAL(cputype)
.long CPU_68040 | default to CPU_68040
GLOBAL(fputype)
.long FPU_68040 | default to FPU_68040
/*
* interrupt counters.
* XXXSCW: Will go away soon; kept here to keep vmstat happy
*/
GLOBAL(intrnames)
.asciz "spur"
.asciz "lev1"
.asciz "lev2"
.asciz "lev3"
.asciz "lev4"
.asciz "clock"
.asci... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/virt68k/virt68k/locore.s | BSD-2-Clause | e697980812a414790d0f92bfc363722df6302a00 | github | kernel | https://github.com/NetBSD/src/blob/e697980812a414790d0f92bfc363722df6302a00/sys/arch/virt68k/virt68k/locore.s | 681 | 706 |
NetBSD/src:sys/arch/virt68k/virt68k/locore.s:16 | #include <m68k/m68k/sigcode.s>
#ifdef COMPAT_SUNOS
#include <m68k/m68k/sunos_sigcode.s>
#endif
/*
* Primitives
*/
/*
* Use common m68k support routines.
*/
#include <m68k/m68k/support.s>
/*
* Use common m68k process/lwp switch and context save subroutines.
*/
#define FPCOPROC /* XXX: Temp. Reqd. */
#include <m... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/virt68k/virt68k/locore.s | BSD-2-Clause | 1cd795a7c640afd52f677bb5238bc74df0714efd | github | kernel | https://github.com/NetBSD/src/blob/1cd795a7c640afd52f677bb5238bc74df0714efd/sys/arch/virt68k/virt68k/locore.s | 601 | 660 |
NetBSD/src:sys/arch/virt68k/virt68k/locore.s:17 | jra Lsldone
Lslerr:
moveq #-1,%d0
Lsldone:
movl _C_LABEL(curpcb),%a1 | current pcb
clrl %a1@(PCB_ONFAULT) | clear fault address
rts
#endif
ENTRY(ecacheon)
rts
ENTRY(ecacheoff)
rts
/*
* Get callers current SP value.
* Note that simply taking the address of a local variable in a C function
* doesn't work bec... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/virt68k/virt68k/locore.s | BSD-2-Clause | 1cd795a7c640afd52f677bb5238bc74df0714efd | github | kernel | https://github.com/NetBSD/src/blob/1cd795a7c640afd52f677bb5238bc74df0714efd/sys/arch/virt68k/virt68k/locore.s | 641 | 700 |
NetBSD/src:sys/arch/virt68k/virt68k/locore.s:18 | jne Lldno60
movc %cacr,%d0
orl #IC60_CUBC,%d0 | clear user branch cache entries
movc %d0,%cacr
Lldno60:
#endif
rts
LmotommuC:
#endif
pflusha | flush entire TLB
lea _C_LABEL(protorp),%a0 | CRP prototype
movl %d0,%a0@(4) | stash USTP
pmove %a0@,%crp | load root pointer
movl #CACHE_CLR,%d0
movc %d0,%cacr ... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/virt68k/virt68k/locore.s | BSD-2-Clause | 1cd795a7c640afd52f677bb5238bc74df0714efd | github | kernel | https://github.com/NetBSD/src/blob/1cd795a7c640afd52f677bb5238bc74df0714efd/sys/arch/virt68k/virt68k/locore.s | 681 | 739 |
NetBSD/src:sys/arch/virt68k/virt68k/locore.s:19 | * interrupt counters.
* XXXSCW: Will go away soon; kept here to keep vmstat happy
*/
GLOBAL(intrnames)
.asciz "spur"
.asciz "lev1"
.asciz "lev2"
.asciz "lev3"
.asciz "lev4"
.asciz "clock"
.asciz "lev6"
.asciz "nmi"
.asciz "statclock"
GLOBAL(eintrnames)
.even
GLOBAL(intrcnt)
.long 0,0,0,0,0,0,0,0,0
GLOBAL(... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/virt68k/virt68k/locore.s | BSD-2-Clause | 1cd795a7c640afd52f677bb5238bc74df0714efd | github | kernel | https://github.com/NetBSD/src/blob/1cd795a7c640afd52f677bb5238bc74df0714efd/sys/arch/virt68k/virt68k/locore.s | 721 | 739 |
NetBSD/src:sys/arch/virt68k/virt68k/locore.s:7 | pmove %sp@,%tc | load it
/*
* Should be running mapped from this point on
*/
Lenab1:
/* Point the CPU VBR at our vector table */
movl #_C_LABEL(vectab),%d0 | get our VBR address
movc %d0,%vbr
lea _ASM_LABEL(tmpstk),%sp | temporary stack
/* call final pmap setup */
jbsr _C_LABEL(pmap_bootstrap_finalize)
/* set k... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/virt68k/virt68k/locore.s | BSD-2-Clause | 46ec811456ee385a784f38ae06c854f9aa8098e9 | github | kernel | https://github.com/NetBSD/src/blob/46ec811456ee385a784f38ae06c854f9aa8098e9/sys/arch/virt68k/virt68k/locore.s | 241 | 300 |
NetBSD/src:sys/arch/virt68k/virt68k/locore.s:8 | movw #PSL_LOWIPL,%sr | lower SPL
clrw %sp@- | vector offset/frame type
clrl %sp@- | PC - filled in by "execve"
movw #PSL_USER,%sp@- | in user mode
clrl %sp@- | stack adjust count and padding
lea %sp@(-64),%sp | construct space for D0-D7/A0-A7
lea _C_LABEL(lwp0),%a0 | save pointer to frame
movl %sp,%a0@(... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/virt68k/virt68k/locore.s | BSD-2-Clause | 46ec811456ee385a784f38ae06c854f9aa8098e9 | github | kernel | https://github.com/NetBSD/src/blob/46ec811456ee385a784f38ae06c854f9aa8098e9/sys/arch/virt68k/virt68k/locore.s | 281 | 340 |
NetBSD/src:sys/arch/virt68k/virt68k/locore.s:13 | | because KGDB will just return 0 if not connected.
| Save args in d2, a2
movl %d0,%d2 | trap type
movl %sp,%a2 | frame ptr
#ifdef KGDB
| Let KGDB handle it (if connected)
movl %a2,%sp@- | push frame ptr
movl %d2,%sp@- | push trap type
jbsr _C_LABEL(kgdb_trap) | handle the trap
addql #8,%sp | pop args
... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/virt68k/virt68k/locore.s | BSD-2-Clause | 46ec811456ee385a784f38ae06c854f9aa8098e9 | github | kernel | https://github.com/NetBSD/src/blob/46ec811456ee385a784f38ae06c854f9aa8098e9/sys/arch/virt68k/virt68k/locore.s | 481 | 540 |
NetBSD/src:sys/arch/virt68k/virt68k/locore.s:14 | /*
* Interrupt handlers.
*
* For auto-vectored interrupts, the CPU provides the
* vector 0x18+level.
*
* intrhand_autovec is the entry point for auto-vectored
* interrupts.
*/
ENTRY_NOPROFILE(intrhand_autovec)
addql #1,_C_LABEL(intr_depth)
INTERRUPT_SAVEREG
lea %sp@(16),%a1 | get pointer to frame
movl %a1... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/virt68k/virt68k/locore.s | BSD-2-Clause | 46ec811456ee385a784f38ae06c854f9aa8098e9 | github | kernel | https://github.com/NetBSD/src/blob/46ec811456ee385a784f38ae06c854f9aa8098e9/sys/arch/virt68k/virt68k/locore.s | 521 | 580 |
NetBSD/src:sys/arch/virt68k/virt68k/locore.s:15 | clrl %sp@- | stack adjust
moveml #0xFFFF,%sp@- | save all registers
movl %usp,%a1 | including
movl %a1,%sp@(FR_SP) | the users SP
Lrei1: 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) ... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/virt68k/virt68k/locore.s | BSD-2-Clause | 46ec811456ee385a784f38ae06c854f9aa8098e9 | github | kernel | https://github.com/NetBSD/src/blob/46ec811456ee385a784f38ae06c854f9aa8098e9/sys/arch/virt68k/virt68k/locore.s | 561 | 620 |
NetBSD/src:sys/arch/virt68k/virt68k/locore.s:16 | */
/*
* 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>
#if defined(M68040) || defined(M68060)
ENTRY(suline)
movl %sp@(4),%a0 | address to wri... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/virt68k/virt68k/locore.s | BSD-2-Clause | 46ec811456ee385a784f38ae06c854f9aa8098e9 | github | kernel | https://github.com/NetBSD/src/blob/46ec811456ee385a784f38ae06c854f9aa8098e9/sys/arch/virt68k/virt68k/locore.s | 601 | 660 |
NetBSD/src:sys/arch/virt68k/virt68k/locore.s:17 | #endif
ENTRY(ecacheon)
rts
ENTRY(ecacheoff)
rts
/*
* Get callers current SP value.
* Note that simply taking the address of a local variable in a C function
* doesn't work because callee saved registers may be outside the stack frame
* defined by A6 (e.g. GCC generated code).
*/
ENTRY_NOPROFILE(getsp)
movl ... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/virt68k/virt68k/locore.s | BSD-2-Clause | 46ec811456ee385a784f38ae06c854f9aa8098e9 | github | kernel | https://github.com/NetBSD/src/blob/46ec811456ee385a784f38ae06c854f9aa8098e9/sys/arch/virt68k/virt68k/locore.s | 641 | 700 |
NetBSD/src:sys/arch/virt68k/virt68k/locore.s:18 | LmotommuC:
#endif
pflusha | flush entire TLB
lea _C_LABEL(protorp),%a0 | CRP prototype
movl %d0,%a0@(4) | stash USTP
pmove %a0@,%crp | load root pointer
movl #CACHE_CLR,%d0
movc %d0,%cacr | invalidate cache(s)
rts
ENTRY(getsr)
moveq #0,%d0
movw %sr,%d0
rts
/*
* Misc. global variables.
*/
.data
GLO... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/virt68k/virt68k/locore.s | BSD-2-Clause | 46ec811456ee385a784f38ae06c854f9aa8098e9 | github | kernel | https://github.com/NetBSD/src/blob/46ec811456ee385a784f38ae06c854f9aa8098e9/sys/arch/virt68k/virt68k/locore.s | 681 | 732 |
NetBSD/src:sys/arch/virt68k/virt68k/locore.s:19 | .asciz "lev3"
.asciz "lev4"
.asciz "clock"
.asciz "lev6"
.asciz "nmi"
.asciz "statclock"
GLOBAL(eintrnames)
.even
GLOBAL(intrcnt)
.long 0,0,0,0,0,0,0,0,0
GLOBAL(eintrcnt) | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/virt68k/virt68k/locore.s | BSD-2-Clause | 46ec811456ee385a784f38ae06c854f9aa8098e9 | github | kernel | https://github.com/NetBSD/src/blob/46ec811456ee385a784f38ae06c854f9aa8098e9/sys/arch/virt68k/virt68k/locore.s | 721 | 732 |
NetBSD/src:sys/arch/virt68k/virt68k/locore.s:17 | #endif
ENTRY(ecacheon)
rts
ENTRY(ecacheoff)
rts
/*
* Get callers current SP value.
* Note that simply taking the address of a local variable in a C function
* doesn't work because callee saved registers may be outside the stack frame
* defined by A6 (e.g. GCC generated code).
*/
ENTRY_NOPROFILE(getsp)
movl ... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/virt68k/virt68k/locore.s | BSD-2-Clause | f83db12ca6a74a01c1e9efb1a777cfaa84098ec6 | github | kernel | https://github.com/NetBSD/src/blob/f83db12ca6a74a01c1e9efb1a777cfaa84098ec6/sys/arch/virt68k/virt68k/locore.s | 641 | 700 |
NetBSD/src:sys/arch/virt68k/virt68k/locore.s:18 | LmotommuC:
#endif
pflusha | flush entire TLB
lea _C_LABEL(protorp),%a0 | CRP prototype
movl %d0,%a0@(4) | stash USTP
pmove %a0@,%crp | load root pointer
movl #CACHE_CLR,%d0
movc %d0,%cacr | invalidate cache(s)
rts
ENTRY(getsr)
moveq #0,%d0
movw %sr,%d0
rts
/*
* Handle the nitty-gritty of rebooting th... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/virt68k/virt68k/locore.s | BSD-2-Clause | f83db12ca6a74a01c1e9efb1a777cfaa84098ec6 | github | kernel | https://github.com/NetBSD/src/blob/f83db12ca6a74a01c1e9efb1a777cfaa84098ec6/sys/arch/virt68k/virt68k/locore.s | 681 | 739 |
NetBSD/src:sys/arch/virt68k/virt68k/vectors.s:1 | | $NetBSD: vectors.s,v 1.2 2024/01/02 07:52:47 thorpej Exp $
| Copyright (c) 1997 Jason R. Thorpe. All rights reserved.
| Copyright (c) 1988 University of Utah
| Copyright (c) 1990, 1993
| The Regents of the University of California. All rights reserved.
|
| Redistribution and use in source and binary forms, with or... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/virt68k/virt68k/vectors.s | BSD-2-Clause | 13d937d9ba3db87c9a898a40a8ed9d2aab2b1b95 | github | kernel | https://github.com/NetBSD/src/blob/13d937d9ba3db87c9a898a40a8ed9d2aab2b1b95/sys/arch/virt68k/virt68k/vectors.s | 1 | 60 |
NetBSD/src:sys/arch/virt68k/virt68k/vectors.s:2 | VECTOR(badtrap) ; VECTOR(badtrap) ; \
VECTOR(badtrap) ; VECTOR(badtrap) ; \
VECTOR(badtrap) ; VECTOR(badtrap) ; \
VECTOR(badtrap) ; VECTOR(badtrap) ; \
VECTOR(badtrap) ; VECTOR(badtrap) ; \
VECTOR(badtrap) ; VECTOR(badtrap) ; \
VECTOR(badtrap) ; VECTOR(badtrap)
/*
* bus error and address error vectors are ini... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/virt68k/virt68k/vectors.s | BSD-2-Clause | 13d937d9ba3db87c9a898a40a8ed9d2aab2b1b95 | github | kernel | https://github.com/NetBSD/src/blob/13d937d9ba3db87c9a898a40a8ed9d2aab2b1b95/sys/arch/virt68k/virt68k/vectors.s | 41 | 100 |
NetBSD/src:sys/arch/virt68k/virt68k/vectors.s:3 | VECTOR(intrhand_autovec)/* 25: level 1 interrupt autovector */
VECTOR(intrhand_autovec)/* 26: level 2 interrupt autovector */
VECTOR(intrhand_autovec)/* 27: level 3 interrupt autovector */
VECTOR(intrhand_autovec)/* 28: level 4 interrupt autovector */
VECTOR(intrhand_autovec)/* 29: level 5 interrupt autovector */
... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/virt68k/virt68k/vectors.s | BSD-2-Clause | 13d937d9ba3db87c9a898a40a8ed9d2aab2b1b95 | github | kernel | https://github.com/NetBSD/src/blob/13d937d9ba3db87c9a898a40a8ed9d2aab2b1b95/sys/arch/virt68k/virt68k/vectors.s | 81 | 140 |
NetBSD/src:sys/arch/virt68k/virt68k/vectors.s:4 | VECTOR(fpfault) /* 48: FPCP branch/set on unordered cond */
VECTOR(fpfault) /* 49: FPCP inexact result */
VECTOR(fpfault) /* 50: FPCP divide by zero */
VECTOR(fpfault) /* 51: FPCP underflow */
VECTOR(fpfault) /* 52: FPCP operand error */
VECTOR(fpfault) /* 53: FPCP overflow */
VECTOR(fpfault) /* 54: FPCP s... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/virt68k/virt68k/vectors.s | BSD-2-Clause | 13d937d9ba3db87c9a898a40a8ed9d2aab2b1b95 | github | kernel | https://github.com/NetBSD/src/blob/13d937d9ba3db87c9a898a40a8ed9d2aab2b1b95/sys/arch/virt68k/virt68k/vectors.s | 121 | 151 |
NetBSD/src:sys/arch/virt68k/virt68k/vectors.s:1 | | $NetBSD: vectors.s,v 1.1 2024/01/02 07:41:02 thorpej Exp $
| Copyright (c) 1997 Jason R. Thorpe. All rights reserved.
| Copyright (c) 1988 University of Utah
| Copyright (c) 1990, 1993
| The Regents of the University of California. All rights reserved.
|
| Redistribution and use in source and binary forms, with or... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/virt68k/virt68k/vectors.s | BSD-2-Clause | f83db12ca6a74a01c1e9efb1a777cfaa84098ec6 | github | kernel | https://github.com/NetBSD/src/blob/f83db12ca6a74a01c1e9efb1a777cfaa84098ec6/sys/arch/virt68k/virt68k/vectors.s | 1 | 60 |
NetBSD/src:sys/arch/virt68k/virt68k/vectors.s:3 | VECTOR(intrhand_autovec)/* 25: level 1 interrupt autovector */
VECTOR(intrhand_autovec)/* 26: level 2 interrupt autovector */
VECTOR(intrhand_autovec)/* 27: level 3 interrupt autovector */
VECTOR(intrhand_autovec)/* 28: level 4 interrupt autovector */
VECTOR(intrhand_autovec)/* 29: level 5 interrupt autovector */
... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/virt68k/virt68k/vectors.s | BSD-2-Clause | f83db12ca6a74a01c1e9efb1a777cfaa84098ec6 | github | kernel | https://github.com/NetBSD/src/blob/f83db12ca6a74a01c1e9efb1a777cfaa84098ec6/sys/arch/virt68k/virt68k/vectors.s | 81 | 140 |
NetBSD/src:sys/arch/virt68k/virt68k/vectors.s:4 | VECTOR(fpfault) /* 48: FPCP branch/set on unordered cond */
VECTOR(fpfault) /* 49: FPCP inexact result */
VECTOR(fpfault) /* 50: FPCP divide by zero */
VECTOR(fpfault) /* 51: FPCP underflow */
VECTOR(fpfault) /* 52: FPCP operand error */
VECTOR(fpfault) /* 53: FPCP overflow */
VECTOR(fpfault) /* 54: FPCP s... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/virt68k/virt68k/vectors.s | BSD-2-Clause | f83db12ca6a74a01c1e9efb1a777cfaa84098ec6 | github | kernel | https://github.com/NetBSD/src/blob/f83db12ca6a74a01c1e9efb1a777cfaa84098ec6/sys/arch/virt68k/virt68k/vectors.s | 121 | 155 |
NetBSD/src:sys/arch/x68k/stand/boot/srt0.S:1 | /* $NetBSD: srt0.S,v 1.3 2024/01/07 07:58:33 isaki Exp $ */
/*-
* Copyright (c) 2001 Minoura Makoto
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code mu... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/stand/boot/srt0.S | BSD-2-Clause | 3f1390c8cc18c3f67a4bd2632f8c7ad919cf86fd | github | kernel | https://github.com/NetBSD/src/blob/3f1390c8cc18c3f67a4bd2632f8c7ad919cf86fd/sys/arch/x68k/stand/boot/srt0.S | 1 | 60 |
NetBSD/src:sys/arch/x68k/stand/boot/srt0.S:2 | * %d7: boothowto
* for /boot, only %d6 is used.
*/
start0:
moveml %sp@+,%d0-%d2
lea %pc@(start),%sp
movl %d6,%sp@-
jbsr _C_LABEL(bootmain)
ENTRY_NOPROFILE(_rtt)
pea %pc@(reboot_msg)
jbsr _C_LABEL(printf)
jbsr _C_LABEL(getchar)
trap #10
reboot_msg: .asciz "\n[Hit key to reboot]"
.even
/*
* Det... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/stand/boot/srt0.S | BSD-2-Clause | 3f1390c8cc18c3f67a4bd2632f8c7ad919cf86fd | github | kernel | https://github.com/NetBSD/src/blob/3f1390c8cc18c3f67a4bd2632f8c7ad919cf86fd/sys/arch/x68k/stand/boot/srt0.S | 41 | 100 |
NetBSD/src:sys/arch/x68k/stand/boot/srt0.S:3 | bset #30,%d0 | data cache no allocate mode bit
movc %d0,%cacr | only exists on 68060
movc %cacr,%d0 | read it back
tstl %d0 | zero?
jeq Lis68040 | yes, we have 68040
moveq #6,%d0
jra Lgo
Lis68040:
moveq #4,%d0
jra Lgo
Lis68020:
movl #2,%d0 | and a 68020 CPU
Lgo:
rts
/*
* Check if the given addres... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/stand/boot/srt0.S | BSD-2-Clause | 3f1390c8cc18c3f67a4bd2632f8c7ad919cf86fd | github | kernel | https://github.com/NetBSD/src/blob/3f1390c8cc18c3f67a4bd2632f8c7ad919cf86fd/sys/arch/x68k/stand/boot/srt0.S | 81 | 115 |
NetBSD/src:sys/arch/x68k/stand/boot/srt0.S:1 | /* $NetBSD: srt0.S,v 1.2 2011/04/12 14:07:35 tsutsui Exp $ */
/*-
* Copyright (c) 2001 Minoura Makoto
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code ... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/stand/boot/srt0.S | BSD-2-Clause | 3a3e6e6861107fa30395b99abb65697f94ef1bf8 | github | kernel | https://github.com/NetBSD/src/blob/3a3e6e6861107fa30395b99abb65697f94ef1bf8/sys/arch/x68k/stand/boot/srt0.S | 1 | 60 |
NetBSD/src:sys/arch/x68k/stand/boot_ufs/boot.S:1 | | file: boot.S
| author: chapuni(webmaster@chapuni.com)
| ITOH Yasufumi
|
| $NetBSD: boot.S,v 1.19 2020/01/28 11:57:22 isaki Exp $
|
| (1) IPL (or previous stage loader) loads first 1KB of this primary
| bootloader to (*). (*) is 0x2000 (from FD) or 0x2400 (from SASI/SCSI).
|
| (2) The first 1KB loads ful... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/stand/boot_ufs/boot.S | BSD-2-Clause | 3f1390c8cc18c3f67a4bd2632f8c7ad919cf86fd | github | kernel | https://github.com/NetBSD/src/blob/3f1390c8cc18c3f67a4bd2632f8c7ad919cf86fd/sys/arch/x68k/stand/boot_ufs/boot.S | 1 | 60 |
NetBSD/src:sys/arch/x68k/stand/boot_ufs/boot.S:2 | |
#include <machine/asm.h>
#include "iocscall.h"
#define SRAM 0x00ED0000 /* SRAM stat addr */
#define SRAM_MEMSZ (SRAM + 8) /* (L) size of main memory */
#define MINMEM 0x00400000 /* at least 4MB required */
#define BOOT_ERROR(s) jbsr boot_error; .asciz s; .even
.globl _C_LABEL(bootufs)
.text
ASENTRY_NOPROFILE(... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/stand/boot_ufs/boot.S | BSD-2-Clause | 3f1390c8cc18c3f67a4bd2632f8c7ad919cf86fd | github | kernel | https://github.com/NetBSD/src/blob/3f1390c8cc18c3f67a4bd2632f8c7ad919cf86fd/sys/arch/x68k/stand/boot_ufs/boot.S | 41 | 100 |
NetBSD/src:sys/arch/x68k/stand/boot_ufs/boot.S:3 | ASENTRY_NOPROFILE(entry)
movew #_end-1,%d0 | bss end (low word only)
| clear out bss (must be <= 64KB)
subw %a1,%d0
clrbss: clrb %a1@+
dbra %d0,clrbss
movel %d4,RELOC(ID) | SCSI ID (if booted from SCSI)
lea 0x00100000,%sp | set system stack
lea %a5@,%a1 | set load address
| a1 will be used later... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/stand/boot_ufs/boot.S | BSD-2-Clause | 3f1390c8cc18c3f67a4bd2632f8c7ad919cf86fd | github | kernel | https://github.com/NetBSD/src/blob/3f1390c8cc18c3f67a4bd2632f8c7ad919cf86fd/sys/arch/x68k/stand/boot_ufs/boot.S | 81 | 140 |
NetBSD/src:sys/arch/x68k/stand/boot_ufs/boot.S:4 | jne boot_ram_rom
|
| SASI or Floppy
|
movel %d0,%d2
andib #0xFC,%d0
cmpib #0x90,%d0
jne boot_dev_unsupported | boot from SASI?
|
| Floppy
|
moveb %d2,%d0
andib #0x03,%d0 | drive # (head=0)
jbsr check_fd_format
moveml %d0-%d1,RELOC(FDSECMINMAX) | min and max sec #
lslw #8,%d2
moveq #0x70... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/stand/boot_ufs/boot.S | BSD-2-Clause | 3f1390c8cc18c3f67a4bd2632f8c7ad919cf86fd | github | kernel | https://github.com/NetBSD/src/blob/3f1390c8cc18c3f67a4bd2632f8c7ad919cf86fd/sys/arch/x68k/stand/boot_ufs/boot.S | 121 | 180 |
NetBSD/src:sys/arch/x68k/stand/boot_ufs/boot.S:5 | booterr_msg: .ascii "\r\n\n"
.ascii BOOT
.asciz ": "
reboot_msg: .asciz "\r\n[Hit key to reboot]"
.even
ENTRY_NOPROFILE(BOOT_ERROR)
addql #4,%sp
boot_error: lea %pc@(booterr_msg),%a1
IOCS(__B_PRINT)
moveal %sp@+,%a1
IOCS(__B_PRINT)
lea %pc@(reboot_msg),%a1
IOCS(__B_PRINT)
| wait for a key press (... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/stand/boot_ufs/boot.S | BSD-2-Clause | 3f1390c8cc18c3f67a4bd2632f8c7ad919cf86fd | github | kernel | https://github.com/NetBSD/src/blob/3f1390c8cc18c3f67a4bd2632f8c7ad919cf86fd/sys/arch/x68k/stand/boot_ufs/boot.S | 161 | 220 |
NetBSD/src:sys/arch/x68k/stand/boot_ufs/boot.S:6 | lsrb #1,%d5 | 0: 256, 1: 512, 2: 1024
movel %d5,RELOC(SCSI_BLKLEN)
| find out the start position of the boot partition
| XXX VERY AD HOC
|
| ROM firmware:
| pass read pos (in block #) in d2
| Human68k-style partition table does not exist
| d2 is 4 at the maximum
| SCSI IPLs (genuine and SxSI):
| p... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/stand/boot_ufs/boot.S | BSD-2-Clause | 3f1390c8cc18c3f67a4bd2632f8c7ad919cf86fd | github | kernel | https://github.com/NetBSD/src/blob/3f1390c8cc18c3f67a4bd2632f8c7ad919cf86fd/sys/arch/x68k/stand/boot_ufs/boot.S | 201 | 260 |
NetBSD/src:sys/arch/x68k/stand/boot_ufs/boot.S:7 | movel %d5,%sp@-
moveq #8192/512,%d3 | Æɤ߹þ¤á¤ëºÇÂ祵¥¤¥º
moveq #0x40,%d2 | ¤¤¤ï¤æ¤ë·è¤áÂǤÁ(sd*a ¤Î¤ß)
SCSIIOCS(__S_READ)
#endif
boot_read_done:
jmp first_kbyte
read_error: BOOT_ERROR("read error")
#undef RELOC /* base register a5 is no longer available */
#undef ASRELOC
#undef _RELOC
|
| read SCSI
|
| ... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/stand/boot_ufs/boot.S | BSD-2-Clause | 3f1390c8cc18c3f67a4bd2632f8c7ad919cf86fd | github | kernel | https://github.com/NetBSD/src/blob/3f1390c8cc18c3f67a4bd2632f8c7ad919cf86fd/sys/arch/x68k/stand/boot_ufs/boot.S | 241 | 300 |
NetBSD/src:sys/arch/x68k/stand/boot_ufs/boot.S:8 | moveq #__S_READ,%d1
cmpl %d3,%d6
jcc scsiread_noext
subl %d2,%d0 | d0.0 = 0x200000 - pos
cmpl %d0,%d3 | <= len
jcs scsiread_noext | no
scsiread_ext: | use READEXT
extw %d6 | d6.l = 65535
moveq #__S_READEXT,%d1
scsiread_noext: | use READ
loop_scsiread:
| d1: SCSI IOCS call #
| d6: max sector count... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/stand/boot_ufs/boot.S | BSD-2-Clause | 3f1390c8cc18c3f67a4bd2632f8c7ad919cf86fd | github | kernel | https://github.com/NetBSD/src/blob/3f1390c8cc18c3f67a4bd2632f8c7ad919cf86fd/sys/arch/x68k/stand/boot_ufs/boot.S | 281 | 340 |
NetBSD/src:sys/arch/x68k/stand/boot_ufs/boot.S:9 | | PC-relative can be used from here.
|
| Initialize the screen here. Some IPL (060turbo ROM or
| genuine boot selector) don't initialize the screen.
| Such initialization should be done as early as possible
| but it's too severe to place it in first_kbyte area.
| Therefore do it here.
moveq #0x10,%d1
IOC... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/stand/boot_ufs/boot.S | BSD-2-Clause | 3f1390c8cc18c3f67a4bd2632f8c7ad919cf86fd | github | kernel | https://github.com/NetBSD/src/blob/3f1390c8cc18c3f67a4bd2632f8c7ad919cf86fd/sys/arch/x68k/stand/boot_ufs/boot.S | 321 | 380 |
NetBSD/src:sys/arch/x68k/stand/boot_ufs/boot.S:10 | Lraw_read_buf=4+(4*11)
Lraw_read_pos_=Lraw_read_buf+4
Lraw_read_len=Lraw_read_buf+8
#ifdef SCSI_ADHOC_BOOTPART
| RAW_READ of physical disk
ENTRY_NOPROFILE(RAW_READ0)
moveq #0,%d0
jra raw_read1
#endif
ENTRY_NOPROFILE(RAW_READ)
#ifdef SCSI_ADHOC_BOOTPART
movel _C_LABEL(SCSI_PARTTOP),%d0
raw_read1:
#endif
moveml... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/stand/boot_ufs/boot.S | BSD-2-Clause | 3f1390c8cc18c3f67a4bd2632f8c7ad919cf86fd | github | kernel | https://github.com/NetBSD/src/blob/3f1390c8cc18c3f67a4bd2632f8c7ad919cf86fd/sys/arch/x68k/stand/boot_ufs/boot.S | 361 | 420 |
NetBSD/src:sys/arch/x68k/stand/boot_ufs/boot.S:11 | lsll #1,%d2 | X flag and d2: pos in 256byte-blocks
roxrl %d5,%d2 | pos in sector
addl %d0,%d2 | physical pos in sector
#else
moveq #1,%d5 | 512bytes/sec
moveq #9,%d0 | shift count
addl #511,%d3
lsrl %d0,%d3
bcss read_half | minimal error check
addl #0x40,%d2 | 'a' partition starts here
#endif
| j... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/stand/boot_ufs/boot.S | BSD-2-Clause | 3f1390c8cc18c3f67a4bd2632f8c7ad919cf86fd | github | kernel | https://github.com/NetBSD/src/blob/3f1390c8cc18c3f67a4bd2632f8c7ad919cf86fd/sys/arch/x68k/stand/boot_ufs/boot.S | 401 | 460 |
NetBSD/src:sys/arch/x68k/stand/boot_ufs/boot.S:12 | subb %a0@(3),%d1 | - min sector #
addqb #1,%d1 | d1: # sectors
divu %d1,%d2 | d2: (sec << 16) | track
| position = (sec length << 24) | (track/2 << 16)
| | (track%2 << 8) | (min sec # + sec)
movel %a0@,%d0 | d0: (sec len << 24) | min sec #
lsrw #1,%d2 | d2: (sec << 16) | (track / 2)
jcc 1f
bset ... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/stand/boot_ufs/boot.S | BSD-2-Clause | 3f1390c8cc18c3f67a4bd2632f8c7ad919cf86fd | github | kernel | https://github.com/NetBSD/src/blob/3f1390c8cc18c3f67a4bd2632f8c7ad919cf86fd/sys/arch/x68k/stand/boot_ufs/boot.S | 441 | 500 |
NetBSD/src:sys/arch/x68k/stand/boot_ufs/boot.S:13 | raw_read_end:
moveml %sp@+,%a2-%a6/%d2-%d7
rts
#undef _RELOC /* base register a5 is no longer available */
#undef ASRELOC
#undef RELOC
read_half: BOOT_ERROR("read half of block")
ENTRY_NOPROFILE(B_PUTC)
movel %sp@(4),%d1
IOCS(__B_PUTC)
rts
ENTRY_NOPROFILE(B_PRINT)
movel %sp@(4),%a1
IOCS(__B_PRINT)
... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/stand/boot_ufs/boot.S | BSD-2-Clause | 3f1390c8cc18c3f67a4bd2632f8c7ad919cf86fd | github | kernel | https://github.com/NetBSD/src/blob/3f1390c8cc18c3f67a4bd2632f8c7ad919cf86fd/sys/arch/x68k/stand/boot_ufs/boot.S | 481 | 540 |
NetBSD/src:sys/arch/x68k/stand/boot_ufs/boot.S:14 | 1: moveb %a0@-,%a1@-
subql #1,%d1
jne 1b
jra Lmcpret
Lmcpfw: | copy forward
1: moveb %a0@+,%a1@+
subql #1,%d1
jne 1b
Lmcpret:
| movel %sp@(8),%d0 | uncomment this to conform ANSI
rts
|
| global variables
|
BSS(ID, 4) | SCSI ID
BSS(BOOT_INFO, 4) | result of IOCS(__BOOTINF)
BSS(FDMODE, 4) | Floppy access ... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/stand/boot_ufs/boot.S | BSD-2-Clause | 3f1390c8cc18c3f67a4bd2632f8c7ad919cf86fd | github | kernel | https://github.com/NetBSD/src/blob/3f1390c8cc18c3f67a4bd2632f8c7ad919cf86fd/sys/arch/x68k/stand/boot_ufs/boot.S | 521 | 551 |
NetBSD/src:sys/arch/x68k/stand/common/chkfmt.s:1 | |
| check FD format
|
| Written by ITOH Yasufumi
| This code is in the public domain
|
| $NetBSD: chkfmt.s,v 1.2 2011/02/21 02:31:58 itohy Exp $
/* FDC address */
#define FDC_STATUS 0xE94001 /* status register */
#define FDC_DATA 0xE94003 /* data register */
#define INT_STAT 0xE9C001 /* interrupt control */
#defin... | arm64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/stand/common/chkfmt.s | BSD-2-Clause | 3f1390c8cc18c3f67a4bd2632f8c7ad919cf86fd | github | kernel | https://github.com/NetBSD/src/blob/3f1390c8cc18c3f67a4bd2632f8c7ad919cf86fd/sys/arch/x68k/stand/common/chkfmt.s | 1 | 60 |
NetBSD/src:sys/arch/x68k/stand/common/chkfmt.s:2 | moveb %d0,%d6 | head, drive
lea FDC_STATUS:l,%a1
lea %a1@(FDC_DATA-FDC_STATUS),%a2 | FDC_DATA
lea %a2@(INT_STAT-FDC_DATA),%a3 | INT_STAT
movew %sr,%sp@-
oriw #0x0700,%sr | keep out interrupts
moveq #INT_FDC_BIT,%d5
bclr %d5,%a3@ | disable FDC interrupt
jbsr read_id_sub
jne exit_check_format
movel %d3,%... | arm64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/stand/common/chkfmt.s | BSD-2-Clause | 3f1390c8cc18c3f67a4bd2632f8c7ad919cf86fd | github | kernel | https://github.com/NetBSD/src/blob/3f1390c8cc18c3f67a4bd2632f8c7ad919cf86fd/sys/arch/x68k/stand/common/chkfmt.s | 41 | 100 |
NetBSD/src:sys/arch/x68k/stand/common/chkfmt.s:3 | |
| input: d6.b: 0 0 0 0 0 HD US1 US0 (binary)
| a1: FDC status addr
| a2: FDC data addr
| interrupt must be disabled
| output: d3.l: sector information: N C H R (2hex)
| d7.l: status (nonzero if error)
| Z flag: true if no error, false if error
| destroy:
| d3-d4, d7
|
read_id_sub:
| wait for FDC ready
fdc_wait... | arm64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/stand/common/chkfmt.s | BSD-2-Clause | 3f1390c8cc18c3f67a4bd2632f8c7ad919cf86fd | github | kernel | https://github.com/NetBSD/src/blob/3f1390c8cc18c3f67a4bd2632f8c7ad919cf86fd/sys/arch/x68k/stand/common/chkfmt.s | 81 | 140 |
NetBSD/src:sys/arch/x68k/stand/common/chkfmt.s:4 | | receive d4:w + 1 bytes from FDC
|
fdc_read_bytes:
asll #8,%d3
fdc_read_loop:
jbsr fdc_wait_rqm
jpl fdc_read_loop
moveb %a2@,%d3
dbra %d4,fdc_read_bytes
rts
fdc_wait_rqm:
moveb %a1@,%d3
jpl fdc_wait_rqm | NE7ST_RQM_BIT = 7: sign bit
lslb #1,%d3 | NE7ST_DIO_BIT = 6 ... move to bit #7
rts
|
| error
|
_err... | arm64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/stand/common/chkfmt.s | BSD-2-Clause | 3f1390c8cc18c3f67a4bd2632f8c7ad919cf86fd | github | kernel | https://github.com/NetBSD/src/blob/3f1390c8cc18c3f67a4bd2632f8c7ad919cf86fd/sys/arch/x68k/stand/common/chkfmt.s | 121 | 142 |
NetBSD/src:sys/arch/x68k/stand/common/exec_image.S:1 | /* $NetBSD: exec_image.S,v 1.3 2024/01/07 07:58:34 isaki Exp $ */
/*
* Copyright (c) 2001 Minoura Makoto.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source c... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/stand/common/exec_image.S | BSD-2-Clause | 3f1390c8cc18c3f67a4bd2632f8c7ad919cf86fd | github | kernel | https://github.com/NetBSD/src/blob/3f1390c8cc18c3f67a4bd2632f8c7ad919cf86fd/sys/arch/x68k/stand/common/exec_image.S | 1 | 60 |
NetBSD/src:sys/arch/x68k/stand/common/exec_image.S:2 | || unsigned int entry;
|| int size;
|| int bootdev;
|| int boothowto;
addl #4,%sp | throw away the return address
moveml %sp@+,%a4-%a6
moveml %sp@+,%d5-%d7
/* copy the trampoline to the last physical page. */
moval LASTADDR,%sp | tmpstack from end of physmem
lea %sp@(-4096),%a3 | use last phys page as tr... | x86_64 | gas-like | handwritten | NetBSD/src | sys/arch/x68k/stand/common/exec_image.S | BSD-2-Clause | 3f1390c8cc18c3f67a4bd2632f8c7ad919cf86fd | github | kernel | https://github.com/NetBSD/src/blob/3f1390c8cc18c3f67a4bd2632f8c7ad919cf86fd/sys/arch/x68k/stand/common/exec_image.S | 41 | 100 |
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