diff options
Diffstat (limited to 'ld')
| -rw-r--r-- | ld/ChangeLog | 4 | ||||
| -rw-r--r-- | ld/emultempl/spu_ovl.S | 293 |
2 files changed, 293 insertions, 4 deletions
diff --git a/ld/ChangeLog b/ld/ChangeLog index e5a5129..13402db 100644 --- a/ld/ChangeLog +++ b/ld/ChangeLog @@ -1,3 +1,7 @@ +2007-09-26 Brian Watt <bwatt@us.ibm.com> + + * emultempl/spu_ovl.S: Add debug printf code. + 2007-09-17 H.J. Lu <hongjiu.lu@intel.com> PR binutils/3281 diff --git a/ld/emultempl/spu_ovl.S b/ld/emultempl/spu_ovl.S index 96601d7..66dd69b 100644 --- a/ld/emultempl/spu_ovl.S +++ b/ld/emultempl/spu_ovl.S @@ -73,9 +73,39 @@ #define irq_stat $9 #endif +# Stack quadword minux N +#define SQWM1 -16*1 +#define SQWM2 -16*2 +#define SQWM3 -16*3 +#define SQWM4 -16*4 +#define SQWM5 -16*5 +#define SQWM6 -16*6 +#define SQWM7 -16*7 +#define SQWM8 -16*8 +#define SQWM9 -16*9 +#define SQWM10 -16*10 +#define SQWM11 -16*11 +#define SQWM12 -16*12 +#define SQWM13 -16*13 +#define SQWM14 -16*14 +#define SQWM15 -16*15 +#define SQWM16 -16*16 + .extern _ovly_table .extern _ovly_buf_table +#ifdef OVLY_PRINTFS +#define SPE_C99_VPRINTF 37 +__entry_event_format: + .string "In entry_event_hook segment=0x%08x entry-address=0x%08x\n" +__debug_event_format: + .string "In debug_event_hook link-register=0x%08x %08x %08x %08x\n" +__dma_event_format: + .string "In dma_event_hook vma=0x%08x ea=%08x%08x sz=%08x\n" +__ovly_buf_table_format: + .string "_ovly_buf_table[%08x]=%08x\n" +#endif + .text .align 4 .type __rv_pattern, @object @@ -118,7 +148,7 @@ __ovly_return: * outputs: * $lr new link register, returning through __ovly_return. * - * Copy a new overlay partition into local store, or return + * Copy a new overlay partition into local store, or return * immediately if the partition is already resident. */ .global __ovly_load @@ -131,7 +161,7 @@ __ovly_load: stqd $8, -48($sp) #ifdef OVLY_IRQ_SAVE -/* Save irq state, then disable interrupts. */ +/* Save irq state, then disable interrupts. */ stqd $9, -64($sp) ila irqtmp, __ovly_irq_save rdch irq_stat, $SPU_RdMachStat @@ -139,6 +169,107 @@ __ovly_load: __ovly_irq_save: #endif +#ifdef OVLY_PRINTFS +//============================================== +// In entry_event_hook segment=0x%08x entry-address=0x%08x +//============================================== +# save registers + stqd $10, SQWM5($sp) + stqd $11, SQWM6($sp) + stqd $12, SQWM7($sp) +# Place input parameters onto the stack to form the +# local storage memory image. + ila $10, __entry_event_format + stqd $10, SQWM12($sp) + ai $10, $sp, SQWM9 + stqd $10, SQWM11($sp) + stqd $sp, SQWM10($sp) + stqd $78, SQWM9($sp) + stqd $79, SQWM8($sp) +# Construct a message consisting of the 8-bit opcode +# and 24-bit local store pointer to the input +# parameters and place it forllowing the stop and signal + ila $10, 0x3ffff # address mask + ilhu $11, SPE_C99_VPRINTF << 8 + ai $12, $sp, SQWM12 # parameter pointer + selb $11, $11, $12, $10 # combine command & address ptr + brsl $10, next1a +next1a: + .type next1a, @function + lqr $12, message1a + cwd $10, message1a-next1a($10) + shufb $11, $11, $12, $10 # insert msg into inst word + stqr $11, message1a # store cmd/ptr into msg word + dsync +# Notify the PPE to perform the assisted call request +# by issing a stop and signal with a signal code +# of 0x2100 (C99 class) + stop 0x2100 +message1a: + .word 0 + +# save registers + stqd $13, SQWM8($sp) + stqd $14, SQWM9($sp) + stqd $15, SQWM10($sp) + stqd $16, SQWM11($sp) + +# initialize loop + il $13, 1 + ila $14, _ovly_buf_table + ila $15, _ovly_buf_table_end + +loop_start1: +# Place input parameters onto the stack to form the +# local storage memory image. + ila $10, __ovly_buf_table_format + stqd $10, SQWM16($sp) + ai $10, $sp, SQWM13 + stqd $10, SQWM15($sp) + stqd $sp, SQWM14($sp) + stqd $13, SQWM13($sp) + lqd $16, 0($14) + rotqby $16, $16, $14 + stqd $16, SQWM12($sp) +# Construct a message consisting of the 8-bit opcode +# and 24-bit local store pointer to the input +# parameters and place it forllowing the stop and signal + ila $10, 0x3ffff # address mask + ilhu $11, SPE_C99_VPRINTF << 8 + ai $12, $sp, SQWM16 # parameter pointer + selb $11, $11, $12, $10 # combine command & address ptr + brsl $10, next1b +next1b: + .type next1b, @function + lqr $12, message1b + cwd $10, message1b-next1b($10) + shufb $11, $11, $12, $10 # insert msg into inst word + stqr $11, message1b # store cmd/ptr into msg word + dsync +# Notify the PPE to perform the assisted call request +# by issing a stop and signal with a signal code +# of 0x2100 (C99 class) + stop 0x2100 +message1b: + .word 0 + +# move to next entry + ai $13, $13, 1 + ai $14, $14, 4 + clgt $16, $15, $14 + brnz $16, loop_start1 + +# restore registers + lqd $16, SQWM11($sp) + lqd $15, SQWM10($sp) + lqd $14, SQWM9($sp) + lqd $13, SQWM8($sp) + lqd $12, SQWM7($sp) + lqd $11, SQWM6($sp) + lqd $10, SQWM5($sp) +//============================================== +#endif + /* Set branch hint to overlay target. */ hbr __ovly_load_ret, $79 @@ -153,7 +284,7 @@ __ovly_backchain_loop: lqd bchn, 0(bchn) ceq cmp, lnkr, retval ceqi cmp2, bchn, 0 - or cmp, cmp, cmp2 + or cmp, cmp, cmp2 brz cmp, __ovly_backchain_loop /* If we reached the zero back-chain, then lnkr is bogus. Clear the @@ -216,7 +347,7 @@ __ovly_load_event: shufb map, $78, map, genwi stqx map, tab, off -/* A new partition needs to be loaded. Prepare for DMA loop. +/* A new partition needs to be loaded. Prepare for DMA loop. * _EAR_ is the 64b base EA, filled in at run time by the * loader, and indicating the value for SPU executable image start. */ @@ -247,6 +378,54 @@ __ovly_xfer_loop: ila cmd, MFC_GET_CMD wrch $MFC_Cmd, cmd +#ifdef OVLY_PRINTFS +//============================================== +// In dma_event_hook vma=0x%08x ea=%08x%08x sz=%08x +//============================================== +# save registers + stqd $10, SQWM5($sp) + stqd $11, SQWM6($sp) + stqd $12, SQWM7($sp) +# Place input parameters onto the stack to form the +# local storage memory image. + ila $10, __dma_event_format + stqd $10, SQWM14($sp) + ai $10, $sp, SQWM11 + stqd $10, SQWM13($sp) + stqd $sp, SQWM12($sp) + stqd vma, SQWM11($sp) + stqd ea64, SQWM10($sp) + stqd ealo, SQWM9($sp) + stqd sz, SQWM8($sp) +# Construct a message consisting of the 8-bit opcode +# and 24-bit local store pointer to the input +# parameters and place it forllowing the stop and signal + ila $10, 0x3ffff # address mask + ilhu $11, SPE_C99_VPRINTF << 8 + ai $12, $sp, SQWM14 # parameter pointer + selb $11, $11, $12, $10 # combine command & address ptr + brsl $10, next3a +next3a: + .type next3a, @function + lqr $12, message3a + cwd $10, message3a-next3a($10) + shufb $11, $11, $12, $10 # insert msg into inst word + stqr $11, message3a # store cmd/ptr into msg word + dsync +# Notify the PPE to perform the assisted call request +# by issing a stop and signal with a signal code +# of 0x2100 (C99 class) + stop 0x2100 +message3a: + .word 0 + +# restore registers + lqd $12, SQWM7($sp) + lqd $11, SQWM6($sp) + lqd $10, SQWM5($sp) +//============================================== +#endif + /* Increment vma, decrement size, branch back as needed. */ a vma, vma, sz sf osize, sz, osize @@ -266,6 +445,112 @@ __ovly_xfer_loop: sync wrch $MFC_WrTagMask, oldmask +#ifdef OVLY_PRINTFS +//============================================== +// In debug_event_hook link-register=0x%08x %08x %08x %08x +//============================================== +# save registers + stqd $10, SQWM5($sp) + stqd $11, SQWM6($sp) + stqd $12, SQWM7($sp) +# Place input parameters onto the stack to form the +# local storage memory image. + ila $10, __debug_event_format + stqd $10, SQWM14($sp) + ai $10, $sp, SQWM11 + stqd $10, SQWM13($sp) + stqd $sp, SQWM12($sp) + stqd $lr, SQWM11($sp) + rotqbyi $10, $lr, 4 + stqd $10, SQWM10($sp) + rotqbyi $10, $10, 4 + stqd $10, SQWM9($sp) + rotqbyi $10, $10, 4 + stqd $10, SQWM8($sp) +# Construct a message consisting of the 8-bit opcode +# and 24-bit local store pointer to the input +# parameters and place it forllowing the stop and signal + ila $10, 0x3ffff # address mask + ilhu $11, SPE_C99_VPRINTF << 8 + ai $12, $sp, SQWM14 # parameter pointer + selb $11, $11, $12, $10 # combine command & address ptr + brsl $10, next2a +next2a: + .type next2a, @function + lqr $12, message2a + cwd $10, message2a-next2a($10) + shufb $11, $11, $12, $10 # insert msg into inst word + stqr $11, message2a # store cmd/ptr into msg word + dsync +# Notify the PPE to perform the assisted call request +# by issing a stop and signal with a signal code +# of 0x2100 (C99 class) + stop 0x2100 +message2a: + .word 0 + +# save registers + stqd $13, SQWM8($sp) + stqd $14, SQWM9($sp) + stqd $15, SQWM10($sp) + stqd $16, SQWM11($sp) + +# initialize loop + il $13, 1 + ila $14, _ovly_buf_table + ila $15, _ovly_buf_table_end + +loop_start2: +# Place input parameters onto the stack to form the +# local storage memory image. + ila $10, __ovly_buf_table_format + stqd $10, SQWM16($sp) + ai $10, $sp, SQWM13 + stqd $10, SQWM15($sp) + stqd $sp, SQWM14($sp) + stqd $13, SQWM13($sp) + lqd $16, 0($14) + rotqby $16, $16, $14 + stqd $16, SQWM12($sp) +# Construct a message consisting of the 8-bit opcode +# and 24-bit local store pointer to the input +# parameters and place it forllowing the stop and signal + ila $10, 0x3ffff # address mask + ilhu $11, SPE_C99_VPRINTF << 8 + ai $12, $sp, SQWM16 # parameter pointer + selb $11, $11, $12, $10 # combine command & address ptr + brsl $10, next2b +next2b: + .type next2b, @function + lqr $12, message2b + cwd $10, message2b-next2b($10) + shufb $11, $11, $12, $10 # insert msg into inst word + stqr $11, message2b # store cmd/ptr into msg word + dsync +# Notify the PPE to perform the assisted call request +# by issing a stop and signal with a signal code +# of 0x2100 (C99 class) + stop 0x2100 +message2b: + .word 0 + +# move to next entry + ai $13, $13, 1 + ai $14, $14, 4 + clgt $16, $15, $14 + brnz $16, loop_start2 + +# restore registers + lqd $16, SQWM11($sp) + lqd $15, SQWM10($sp) + lqd $14, SQWM9($sp) + lqd $13, SQWM8($sp) + lqd $12, SQWM7($sp) + lqd $11, SQWM6($sp) + lqd $10, SQWM5($sp) +//============================================== +#endif + .global _ovly_debug_event .type _ovly_debug_event, @function _ovly_debug_event: |