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Diffstat (limited to 'libgloss/hp74x/debugger.s')
| -rw-r--r-- | libgloss/hp74x/debugger.s | 585 |
1 files changed, 0 insertions, 585 deletions
diff --git a/libgloss/hp74x/debugger.s b/libgloss/hp74x/debugger.s deleted file mode 100644 index edf4e4b41..000000000 --- a/libgloss/hp74x/debugger.s +++ /dev/null @@ -1,585 +0,0 @@ -/**************************************************************************** - - THIS SOFTWARE IS NOT COPYRIGHTED - - HP offers the following for use in the public domain. HP makes no - warranty with regard to the software or it's performance and the - user accepts the software "AS IS" with all faults. - - HP DISCLAIMS ANY WARRANTIES, EXPRESS OR IMPLIED, WITH REGARD - TO THIS SOFTWARE INCLUDING BUT NOT LIMITED TO THE WARRANTIES - OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. - -****************************************************************************/ - .space $TEXT$ - .subspa $CODE$,access=0x2c - -#if 1 -#include "diagnose.h" -#endif - -i13BREAK .equ 0xa5a ; im13 field for specified functions -i5REG .equ 0x06 ; Init registers -i5BP .equ 0x09 ; GDB breakpoin -i5PSW .equ 0x0b ; Get PSW -i5INLINE .equ 0x0e ; Get INLINE -R_gr0 .equ 0 -R_gr1 .equ 4 -R_gr2 .equ 8 -R_gr3 .equ 12 -R_gr4 .equ 16 -R_gr5 .equ 20 -R_gr6 .equ 24 -R_gr7 .equ 28 -R_gr8 .equ 32 -R_gr9 .equ 36 -R_gr10 .equ 40 -R_gr11 .equ 44 -R_gr12 .equ 48 -R_gr13 .equ 52 -R_gr14 .equ 56 -R_gr15 .equ 60 -R_gr16 .equ 64 -R_gr17 .equ 68 -R_gr18 .equ 72 -R_gr19 .equ 76 -R_gr20 .equ 80 -R_gr21 .equ 84 -R_gr22 .equ 88 -R_gr23 .equ 92 -R_gr24 .equ 96 -R_gr25 .equ 100 -R_gr26 .equ 104 -R_gr27 .equ 108 -R_gr28 .equ 112 -R_gr29 .equ 116 -R_gr30 .equ 120 -R_gr31 .equ 124 - -R_sr0 .equ 128 -R_sr1 .equ 132 -R_sr2 .equ 136 -R_sr3 .equ 140 -R_sr4 .equ 144 -R_sr5 .equ 148 -R_sr6 .equ 152 -R_sr7 .equ 156 - -R_cr0 .equ 160 -R_cr1 .equ 164 -R_cr2 .equ 168 -R_cr3 .equ 172 -R_cr4 .equ 176 -R_cr5 .equ 180 -R_cr6 .equ 184 -R_cr7 .equ 188 -R_cr8 .equ 192 -R_cr9 .equ 196 -R_cr10 .equ 200 -R_cr11 .equ 204 -R_cr12 .equ 208 -R_cr13 .equ 212 -R_cr14 .equ 216 -R_cr15 .equ 220 -R_cr16 .equ 224 -R_cr17H .equ 228 -R_cr18H .equ 232 -R_cr19 .equ 236 -R_cr20 .equ 240 -R_cr21 .equ 244 -R_cr22 .equ 248 -R_cr23 .equ 252 -R_cr24 .equ 256 -R_cr25 .equ 260 -R_cr26 .equ 264 -R_cr27 .equ 268 -R_cr28 .equ 272 -R_cr29 .equ 276 -R_cr30 .equ 280 -R_cr31 .equ 284 - -R_cr17T .equ 288 -R_cr18T .equ 292 - -R_cpu0 .equ 296 - -R_SIZE .equ 300 - -min_stack .equ 64 - - .import handle_exception - .import $global$, data - .IMPORT putnum, code - .IMPORT led_putnum, code - .IMPORT delay, code - - .export FICE - .export DEBUG_GO - .export DEBUG_SS - .export STUB_RESTORE - - .export save_regs - .export RegBlk - .export Exception_index - -;------------------------------------------------------------------------------- - .EXPORT breakpoint,ENTRY,ARGW0=GR,RTNVAL=GR -breakpoint - .PROC - .CALLINFO CALLER,FRAME=128,SAVE_RP - .ENTRY - - stw %r2,-20(0,%r30) ; stash the return pointer - ldo 128(%r30),%r30 ; push up the stack pointer - -;;; debug - ldi 6, %r26 - bl,n led_putnum,%r2 - nop - ldil L'900000,%r26 - ldo R'900000(%r26),%r26 - bl,n delay,%r2 - nop -;;; - break i5INLINE,i13BREAK -;;; more debug - ldi 7, %r26 - bl,n led_putnum,%r2 - nop - ldil L'900000,%r26 - ldo R'900000(%r26),%r26 - bl,n delay,%r2 - nop -;;; - -FICE fice 0(0,%r26) ; Flush the i cache entry - sync - - ldw -148(0,%r30),%r2 ; retrieve the return pointer - ldo -128(%r30),%r30 ; reset the stack pointer - bv,n 0(%r2) ; return to caller - nop - - .EXIT - .PROCEND - -;------------------------------------------------------------------------------- -DEBUG_GO - or,tr %r0,%r0,%r10 ; if go, do not set R-bit to 1 - -DEBUG_SS - ldi 1,%r10 ; else set R-bit to 1 - -DEBUG_EXEC - - bl DGO_0,%r8 ; r8 points to register block - addil L%RegBlk-DGO_0,%r8 -DGO_0 - ldo R%RegBlk-DGO_0(%r1),%r8 - -; load space registers - - ldw R_sr0(%r8),%r1 - mtsp %r1,%sr0 - ldw R_sr1(%r8),%r1 - mtsp %r1,%sr1 - ldw R_sr2(%r8),%r1 - mtsp %r1,%sr2 - ldw R_sr3(%r8),%r1 - mtsp %r1,%sr3 - ldw R_sr4(%r8),%r1 - mtsp %r1,%sr4 - ldw R_sr5(%r8),%r1 - mtsp %r1,%sr5 - ldw R_sr6(%r8),%r1 - mtsp %r1,%sr6 - ldw R_sr7(%r8),%r1 - mtsp %r1,%sr7 - -; clear Q-bit for rfi - - rsm 0x08,%r0 - -; load control registers - - ldw R_cr0(%r8),%r1 - or,= %r10,%r0,%r0 ; if single step - copy %r0,%r1 ; set %cr0 to 0 - mtctl %r1,%cr0 - ldw R_cr8(%r8),%r1 - mtctl %r1,%cr8 - ldw R_cr9(%r8),%r1 - mtctl %r1,%cr9 - ldw R_cr10(%r8),%r1 - mtctl %r1,%cr10 - ldw R_cr11(%r8),%r1 - mtctl %r1,%cr11 - ldw R_cr12(%r8),%r1 - mtctl %r1,%cr12 - ldw R_cr13(%r8),%r1 - mtctl %r1,%cr13 - ldw R_cr14(%r8),%r1 - mtctl %r1,%cr14 - ldw R_cr15(%r8),%r1 - mtctl %r1,%cr15 - ldw R_cr16(%r8),%r1 - mtctl %r1,%cr16 - ldw R_cr17H(%r8),%r1 ; load iiasq.head - mtctl %r1,%cr17 - ldw R_cr18H(%r8),%r1 ; load iiaoq.head - mtctl %r1,%cr18 - ldw R_cr17T(%r8),%r1 ; load iiasq.tail - mtctl %r1,%cr17 - ldw R_cr18T(%r8),%r1 ; load iiaoq.tail - mtctl %r1,%cr18 - ldw R_cr19(%r8),%r1 - mtctl %r1,%cr19 - ldw R_cr20(%r8),%r1 - mtctl %r1,%cr20 - ldw R_cr21(%r8),%r1 - mtctl %r1,%cr21 - ldw R_cr22(%r8),%r1 - dep %r10,27,1,%r1 ; set R-bit if applicable - mtctl %r1,%cr22 - ldw R_cr23(%r8),%r1 - mtctl %r1,%cr23 - ldw R_cr24(%r8),%r1 - mtctl %r1,%cr24 - ldw R_cr25(%r8),%r1 - mtctl %r1,%cr25 - ldw R_cr26(%r8),%r1 - mtctl %r1,%cr26 - ldw R_cr27(%r8),%r1 - mtctl %r1,%cr27 - ldw R_cr28(%r8),%r1 - mtctl %r1,%cr28 - ldw R_cr29(%r8),%r1 - mtctl %r1,%cr29 - ldw R_cr30(%r8),%r1 - mtctl %r1,%cr30 - ldw R_cr31(%r8),%r1 - mtctl %r1,%cr31 - -; load diagnose registers - - ldw R_cpu0(%r8),%r1 - ldil L%CPU0_MASK,%r2 - ldo R%CPU0_MASK(%r2),%r2 - xor %r1,%r2,%r1 ; xor the read/clear bits - nop - mtcpu %r1,0 - mtcpu %r1,0 - -; load general registers - - ldw R_gr1(%r8),%r1 - ldw R_gr2(%r8),%r2 - ldw R_gr3(%r8),%r3 - ldw R_gr4(%r8),%r4 - ldw R_gr5(%r8),%r5 - ldw R_gr6(%r8),%r6 - ldw R_gr7(%r8),%r7 - ldw R_gr9(%r8),%r9 - ldw R_gr10(%r8),%r10 - ldw R_gr11(%r8),%r11 - ldw R_gr12(%r8),%r12 - ldw R_gr13(%r8),%r13 - ldw R_gr14(%r8),%r14 - ldw R_gr15(%r8),%r15 - ldw R_gr16(%r8),%r16 - ldw R_gr17(%r8),%r17 - ldw R_gr18(%r8),%r18 - ldw R_gr19(%r8),%r19 - ldw R_gr20(%r8),%r20 - ldw R_gr21(%r8),%r21 - ldw R_gr22(%r8),%r22 - ldw R_gr23(%r8),%r23 - ldw R_gr24(%r8),%r24 - ldw R_gr25(%r8),%r25 - ldw R_gr26(%r8),%r26 - ldw R_gr27(%r8),%r27 - ldw R_gr28(%r8),%r28 - ldw R_gr29(%r8),%r29 - ldw R_gr30(%r8),%r30 - ldw R_gr31(%r8),%r31 - ldw R_gr8(%r8),%r8 - -; execute user program - - nop - rfi ; switch to user code - nop - -;------------------------------------------------------------------------------- - -STUB_RESTORE - copy %r1,%r9 ; save exception index - bl SR_00,%r8 - addil L%Exception_index-SR_00,%r8 -SR_00 - ldo R%Exception_index-SR_00(%r1),%r8 - stw %r9,(%r8) - - bl save_regs,%r25 - nop - -#ifdef DEBUG_DEBUGGER1 - stwm %r1,8(%sp) - bl putc,%rp - ldi CR,%arg0 - bl putc,%rp - ldi LF,%arg0 - bl printit,%mrp - mfctl %pcoq,%arg0 - - mfctl %pcoq,%r1 - mtctl %r1,%pcoq - mfctl %pcoq,%arg0 - bl printit,%mrp - mtctl %arg0,%pcoq - - bl printit,%mrp - ldw -8(%sp),%arg0 - - ldwm -8(%sp),%r1 -#endif - -#ifdef DEBUG_DEBUGGER2 - stwm %r1,8(%sp) - bl putc,%rp - ldi LF,%arg0 - ldwm -8(%sp),%r1 -#endif - -#ifdef DEBUG_DEBUGGER3 - bl printit,%mrp - copy iptr,%arg0 - bl printit,%mrp - copy rstack,%arg0 - bl printit,%mrp - copy gspace,%arg0 - bl printit,%mrp - copy dstack,%arg0 - bl printit,%mrp - copy nextptr,%arg0 - bl printit,%mrp - copy %dp,%arg0 - bl printit,%mrp - copy %sp,%arg0 - bl printit,%mrp - mfctl %rctr,%arg0 - bl printit,%mrp - mfctl %iva,%arg0 - bl printit,%mrp - mfctl %eiem,%arg0 - bl printit,%mrp - mfctl %ipsw,%arg0 - bl printit,%mrp - copy %r0,%arg0 -#endif - bl SR_1,%sp - addil L%Stub_stack-SR_1,%sp -SR_1 - ldo R%Stub_stack-SR_1(%r1),%sp ; set the stack pointer - - bl SR_2,%arg0 - addil L%RegBlk-SR_2,%arg0 -SR_2 - ldo R%RegBlk-SR_2(%r1),%arg0 ; set arg0 (save register area) - - bl SR_3,%arg1 - addil L%Exception_index-SR_3,%arg1 ; set arg1 address -SR_3 - ldo R%Exception_index-SR_3(%r1),%arg1 ; set arg1 address - - addi min_stack,%sp,%sp ; allocate min stack frame - - bl handle_exception,%r2 - ldw 0(%arg1),%arg1 ; load arg1 - addi -min_stack,%sp,%sp ; de allocate min stack frame - - b DEBUG_EXEC ; - copy %r28,%r10 -;------------------------------------------------------------------------------- - -save_regs ; return address is in %r25 - - bl SR_0,%r1 ; r1 points to Register block - addil L%RegBlk-SR_0,%r1 -SR_0 - ldo R%RegBlk-SR_0(%r1),%r1 - -; save general registers - - stw %r0,R_gr0(%r1) - ; don't store %r1 yet - stw %r2,R_gr2(%r1) - stw %r3,R_gr3(%r1) - stw %r4,R_gr4(%r1) - stw %r5,R_gr5(%r1) - stw %r6,R_gr6(%r1) - stw %r7,R_gr7(%r1) - ; don't store %r8 yet - ; don't store %r9 yet - stw %r10,R_gr10(%r1) - stw %r11,R_gr11(%r1) - stw %r12,R_gr12(%r1) - stw %r13,R_gr13(%r1) - stw %r14,R_gr14(%r1) - stw %r15,R_gr15(%r1) - ; don't store %r16 yet - ; don't store %r17 yet - stw %r18,R_gr18(%r1) - stw %r19,R_gr19(%r1) - stw %r20,R_gr20(%r1) - stw %r21,R_gr21(%r1) - stw %r22,R_gr22(%r1) - stw %r23,R_gr23(%r1) - ; don't store %r24 yet - ; don't store %r25 yet - stw %r26,R_gr26(%r1) - stw %r27,R_gr27(%r1) - stw %r28,R_gr28(%r1) - stw %r29,R_gr29(%r1) - stw %r30,R_gr30(%r1) - stw %r31,R_gr31(%r1) - -; restore general registers from shadow registers and save them - - copy %r1,%r10 ; hold Register block pointer - copy %r25,%rp ; hold return pointer - shdw_gr - shdw_gr - stw %r1,R_gr1(%r10) - stw %r8,R_gr8(%r10) - stw %r9,R_gr9(%r10) - stw %r16,R_gr16(%r10) - stw %r17,R_gr17(%r10) - stw %r24,R_gr24(%r10) - stw %r25,R_gr25(%r10) - -; save control registers - - mfctl %cr0,%r1 - stw %r1,R_cr0(%r10) - stw %r0,R_cr1(%r10) - stw %r0,R_cr2(%r10) - stw %r0,R_cr3(%r10) - stw %r0,R_cr4(%r10) - stw %r0,R_cr5(%r10) - stw %r0,R_cr6(%r10) - stw %r0,R_cr7(%r10) - mfctl %cr8,%r1 - stw %r1,R_cr8(%r10) - mfctl %cr9,%r1 - stw %r1,R_cr9(%r10) - mfctl %cr10,%r1 - stw %r1,R_cr10(%r10) - mfctl %cr11,%r1 - stw %r1,R_cr11(%r10) - mfctl %cr12,%r1 - stw %r1,R_cr12(%r10) - mfctl %cr13,%r1 - stw %r1,R_cr13(%r10) - mfctl %cr14,%r1 - stw %r1,R_cr14(%r10) - mfctl %cr15,%r1 - stw %r1,R_cr15(%r10) - mfctl %cr16,%r1 - stw %r1,R_cr16(%r10) - mfctl %cr17,%r1 - stw %r1,R_cr17H(%r10) - mtctl %r1,%cr17 - mfctl %cr17,%r1 - stw %r1,R_cr17T(%r10) - mtctl %r1,%cr17 - mfctl %cr18,%r1 - stw %r1,R_cr18H(%r10) - mtctl %r1,%cr18 - mfctl %cr18,%r1 - stw %r1,R_cr18T(%r10) - mtctl %r1,%cr18 - mfctl %cr19,%r1 - stw %r1,R_cr19(%r10) - mfctl %cr20,%r1 - stw %r1,R_cr20(%r10) - mfctl %cr21,%r1 - stw %r1,R_cr21(%r10) - mfctl %cr22,%r1 - stw %r1,R_cr22(%r10) - mfctl %cr23,%r1 - stw %r1,R_cr23(%r10) - mfctl %cr24,%r1 - stw %r1,R_cr24(%r10) - mfctl %cr25,%r1 - stw %r1,R_cr25(%r10) - mfctl %cr26,%r1 - stw %r1,R_cr26(%r10) - mfctl %cr27,%r1 - stw %r1,R_cr27(%r10) - mfctl %cr28,%r1 - stw %r1,R_cr28(%r10) - mfctl %cr29,%r1 - stw %r1,R_cr29(%r10) - mfctl %cr30,%r1 - stw %r1,R_cr30(%r10) - mfctl %cr31,%r1 - stw %r1,R_cr31(%r10) - -; save diagnose registers - - mfcpu_c 0,%r1 - mfcpu_c 0,%r1 - stw %r1,R_cpu0(%r10) - -; save space registers - - mfsp %sr0,%r1 - stw %r1,R_sr0(%r10) - mfsp %sr1,%r1 - stw %r1,R_sr1(%r10) - mfsp %sr2,%r1 - stw %r1,R_sr2(%r10) - mfsp %sr3,%r1 - stw %r1,R_sr3(%r10) - mfsp %sr4,%r1 - stw %r1,R_sr4(%r10) - mfsp %sr5,%r1 - stw %r1,R_sr5(%r10) - mfsp %sr6,%r1 - stw %r1,R_sr6(%r10) - mfsp %sr7,%r1 - bv (%rp) - stw %r1,R_sr7(%r10) - -#ifdef DEBUG_DEBUGGER -;------------------------------------------------------------------------------- -printit - mtctl %rp,%tr0 - mtctl %r1,%tr1 - bl putnum,%rp - copy %rp,%arg0 - - mtctl %mrp,%tr2 - bl putc,%rp - ldi CR,%arg0 - bl putc,%rp - ldi LF,%arg0 - mfctl %tr2,%mrp - mfctl %tr1,%r1 - bv (%mrp) - mfctl %tr0,%rp -#endif - .space $PRIVATE$ - .subspa $DATA$,align=4,access=0x1f - -Exception_index - .word 0 - -RegBlk - .block R_SIZE ; register block - -Stub_stack - .block 1024 - - .end |