diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdkfd/cwsr_trap_handler_gfx9.asm')
| -rw-r--r-- | drivers/gpu/drm/amd/amdkfd/cwsr_trap_handler_gfx9.asm | 121 |
1 files changed, 91 insertions, 30 deletions
diff --git a/drivers/gpu/drm/amd/amdkfd/cwsr_trap_handler_gfx9.asm b/drivers/gpu/drm/amd/amdkfd/cwsr_trap_handler_gfx9.asm index 6770cbe3250a..6869e07a2fff 100644 --- a/drivers/gpu/drm/amd/amdkfd/cwsr_trap_handler_gfx9.asm +++ b/drivers/gpu/drm/amd/amdkfd/cwsr_trap_handler_gfx9.asm @@ -33,15 +33,31 @@ * aldebaran: * cpp -DASIC_FAMILY=CHIP_ALDEBARAN cwsr_trap_handler_gfx9.asm -P -o aldebaran.sp3 * sp3 aldebaran.sp3 -hex aldebaran.hex + * + * gc_9_4_3: + * cpp -DASIC_FAMILY=GC_9_4_3 cwsr_trap_handler_gfx9.asm -P -o gc_9_4_3.sp3 + * sp3 gc_9_4_3.sp3 -hex gc_9_4_3.hex + * + * gc_9_5_0: + * cpp -DASIC_FAMILY=GC_9_5_0 cwsr_trap_handler_gfx9.asm -P -o gc_9_5_0.sp3 + * sp3 gc_9_5_0.sp3 -hex gc_9_5_0.hex */ #define CHIP_VEGAM 18 #define CHIP_ARCTURUS 23 #define CHIP_ALDEBARAN 25 +#define CHIP_GC_9_4_3 26 +#define CHIP_GC_9_5_0 27 var ACK_SQC_STORE = 1 //workaround for suspected SQC store bug causing incorrect stores under concurrency var SAVE_AFTER_XNACK_ERROR = 1 //workaround for TCP store failure after XNACK error when ALLOW_REPLAY=0, for debugger -var SINGLE_STEP_MISSED_WORKAROUND = 1 //workaround for lost MODE.DEBUG_EN exception when SAVECTX raised +var SINGLE_STEP_MISSED_WORKAROUND = (ASIC_FAMILY <= CHIP_ALDEBARAN) //workaround for lost MODE.DEBUG_EN exception when SAVECTX raised + +#if ASIC_FAMILY < CHIP_GC_9_4_3 +#define VMEM_MODIFIERS slc:1 glc:1 +#else +#define VMEM_MODIFIERS sc0:1 nt:1 +#endif /**************************************************************************/ /* variables */ @@ -57,7 +73,13 @@ var SQ_WAVE_STATUS_ALLOW_REPLAY_MASK = 0x400000 var SQ_WAVE_STATUS_ECC_ERR_MASK = 0x20000 var SQ_WAVE_LDS_ALLOC_LDS_SIZE_SHIFT = 12 +#if ASIC_FAMILY >= CHIP_GC_9_5_0 +var SQ_WAVE_LDS_ALLOC_LDS_SIZE_SIZE = 11 +var LDS_RESTORE_GRANULARITY_BYTES = 1280 +#else var SQ_WAVE_LDS_ALLOC_LDS_SIZE_SIZE = 9 +var LDS_RESTORE_GRANULARITY_BYTES = 512 +#endif var SQ_WAVE_GPR_ALLOC_VGPR_SIZE_SIZE = 6 var SQ_WAVE_GPR_ALLOC_SGPR_SIZE_SIZE = 3 //FIXME sq.blk still has 4 bits at this time while SQ programming guide has 3 bits var SQ_WAVE_GPR_ALLOC_SGPR_SIZE_SHIFT = 24 @@ -77,6 +99,10 @@ var SQ_WAVE_TRAPSTS_ADDR_WATCH_MASK = 0x80 var SQ_WAVE_TRAPSTS_ADDR_WATCH_SHIFT = 7 var SQ_WAVE_TRAPSTS_MEM_VIOL_MASK = 0x100 var SQ_WAVE_TRAPSTS_MEM_VIOL_SHIFT = 8 +var SQ_WAVE_TRAPSTS_HOST_TRAP_MASK = 0x400000 +var SQ_WAVE_TRAPSTS_WAVE_BEGIN_MASK = 0x800000 +var SQ_WAVE_TRAPSTS_WAVE_END_MASK = 0x1000000 +var SQ_WAVE_TRAPSTS_TRAP_AFTER_INST_MASK = 0x2000000 var SQ_WAVE_TRAPSTS_PRE_SAVECTX_MASK = 0x3FF var SQ_WAVE_TRAPSTS_PRE_SAVECTX_SHIFT = 0x0 var SQ_WAVE_TRAPSTS_PRE_SAVECTX_SIZE = 10 @@ -95,10 +121,10 @@ var SQ_WAVE_IB_STS_RCNT_FIRST_REPLAY_MASK = 0x1F8000 var SQ_WAVE_MODE_DEBUG_EN_MASK = 0x800 -var TTMP11_SAVE_RCNT_FIRST_REPLAY_SHIFT = 26 // bits [31:26] unused by SPI debug data -var TTMP11_SAVE_RCNT_FIRST_REPLAY_MASK = 0xFC000000 -var TTMP11_DEBUG_TRAP_ENABLED_SHIFT = 23 -var TTMP11_DEBUG_TRAP_ENABLED_MASK = 0x800000 +var TTMP_SAVE_RCNT_FIRST_REPLAY_SHIFT = 26 // bits [31:26] unused by SPI debug data +var TTMP_SAVE_RCNT_FIRST_REPLAY_MASK = 0xFC000000 +var TTMP_DEBUG_TRAP_ENABLED_SHIFT = 23 +var TTMP_DEBUG_TRAP_ENABLED_MASK = 0x800000 /* Save */ var S_SAVE_BUF_RSRC_WORD1_STRIDE = 0x00040000 //stride is 4 bytes @@ -129,6 +155,11 @@ var s_save_alloc_size = s_save_trapsts //conflict var s_save_m0 = ttmp5 var s_save_ttmps_lo = s_save_tmp //no conflict var s_save_ttmps_hi = s_save_trapsts //no conflict +#if ASIC_FAMILY >= CHIP_GC_9_4_3 +var s_save_ib_sts = ttmp13 +#else +var s_save_ib_sts = ttmp11 +#endif /* Restore */ var S_RESTORE_BUF_RSRC_WORD1_STRIDE = S_SAVE_BUF_RSRC_WORD1_STRIDE @@ -215,9 +246,15 @@ L_NOT_HALTED: // Any concurrent SAVECTX will be handled upon re-entry once halted. // Check non-maskable exceptions. memory_violation, illegal_instruction - // and xnack_error exceptions always cause the wave to enter the trap - // handler. - s_and_b32 ttmp2, s_save_trapsts, SQ_WAVE_TRAPSTS_MEM_VIOL_MASK|SQ_WAVE_TRAPSTS_ILLEGAL_INST_MASK + // and debugger (host trap, wave start/end, trap after instruction) + // exceptions always cause the wave to enter the trap handler. + s_and_b32 ttmp2, s_save_trapsts, \ + SQ_WAVE_TRAPSTS_MEM_VIOL_MASK | \ + SQ_WAVE_TRAPSTS_ILLEGAL_INST_MASK | \ + SQ_WAVE_TRAPSTS_HOST_TRAP_MASK | \ + SQ_WAVE_TRAPSTS_WAVE_BEGIN_MASK | \ + SQ_WAVE_TRAPSTS_WAVE_END_MASK | \ + SQ_WAVE_TRAPSTS_TRAP_AFTER_INST_MASK s_cbranch_scc1 L_FETCH_2ND_TRAP // Check for maskable exceptions in trapsts.excp and trapsts.excp_hi. @@ -263,11 +300,16 @@ L_FETCH_2ND_TRAP: s_getreg_b32 ttmp15, hwreg(HW_REG_SQ_SHADER_TMA_HI) s_lshl_b64 [ttmp14, ttmp15], [ttmp14, ttmp15], 0x8 + s_bitcmp1_b32 ttmp15, 0xF + s_cbranch_scc0 L_NO_SIGN_EXTEND_TMA + s_or_b32 ttmp15, ttmp15, 0xFFFF0000 +L_NO_SIGN_EXTEND_TMA: + s_load_dword ttmp2, [ttmp14, ttmp15], 0x10 glc:1 // debug trap enabled flag s_waitcnt lgkmcnt(0) - s_lshl_b32 ttmp2, ttmp2, TTMP11_DEBUG_TRAP_ENABLED_SHIFT - s_andn2_b32 ttmp11, ttmp11, TTMP11_DEBUG_TRAP_ENABLED_MASK - s_or_b32 ttmp11, ttmp11, ttmp2 + s_lshl_b32 ttmp2, ttmp2, TTMP_DEBUG_TRAP_ENABLED_SHIFT + s_andn2_b32 s_save_ib_sts, s_save_ib_sts, TTMP_DEBUG_TRAP_ENABLED_MASK + s_or_b32 s_save_ib_sts, s_save_ib_sts, ttmp2 s_load_dwordx2 [ttmp2, ttmp3], [ttmp14, ttmp15], 0x0 glc:1 // second-level TBA s_waitcnt lgkmcnt(0) @@ -405,7 +447,9 @@ L_SAVE: s_getreg_b32 s_save_m0, hwreg(HW_REG_MODE) //MODE write_hwreg_to_mem(s_save_m0, s_save_buf_rsrc0, s_save_mem_offset) - + // Clear VSKIP state now that MODE.VSKIP has been saved. + // If user shader set it then vector instructions would be skipped. + s_setvskip 0,0 /* the first wave in the threadgroup */ s_and_b32 s_save_tmp, s_save_spi_init_hi, S_SAVE_SPI_INIT_FIRST_WAVE_MASK // extract fisrt wave bit @@ -532,12 +576,21 @@ if SAVE_AFTER_XNACK_ERROR v_lshlrev_b32 v2, 2, v3 L_SAVE_LDS_LOOP_SQC: +#if ASIC_FAMILY < CHIP_GC_9_5_0 ds_read2_b32 v[0:1], v2 offset0:0 offset1:0x40 s_waitcnt lgkmcnt(0) - write_vgprs_to_mem_with_sqc(v0, 2, s_save_buf_rsrc0, s_save_mem_offset) v_add_u32 v2, 0x200, v2 +#else + // gfx950 needs to save in multiple of 256 bytes. + ds_read_b32 v0, v2 + s_waitcnt lgkmcnt(0) + write_vgprs_to_mem_with_sqc(v0, 1, s_save_buf_rsrc0, s_save_mem_offset) + + v_add_u32 v2, 0x100, v2 +#endif + v_cmp_lt_u32 vcc[0:1], v2, s_save_alloc_size s_cbranch_vccnz L_SAVE_LDS_LOOP_SQC @@ -556,11 +609,14 @@ end L_SAVE_LDS_LOOP_VECTOR: ds_read_b64 v[0:1], v2 //x =LDS[a], byte address s_waitcnt lgkmcnt(0) - buffer_store_dwordx2 v[0:1], v2, s_save_buf_rsrc0, s_save_mem_offset offen:1 glc:1 slc:1 + buffer_store_dwordx2 v[0:1], v2, s_save_buf_rsrc0, s_save_mem_offset VMEM_MODIFIERS offen:1 // s_waitcnt vmcnt(0) // v_add_u32 v2, vcc[0:1], v2, v3 v_add_u32 v2, v2, v3 v_cmp_lt_u32 vcc[0:1], v2, s_save_alloc_size +#if ASIC_FAMILY >= CHIP_GC_9_5_0 + s_mov_b64 exec, vcc +#endif s_cbranch_vccnz L_SAVE_LDS_LOOP_VECTOR // restore rsrc3 @@ -723,8 +779,13 @@ L_RESTORE: L_RESTORE_LDS_LOOP: buffer_load_dword v0, v0, s_restore_buf_rsrc0, s_restore_mem_offset lds:1 // first 64DW buffer_load_dword v0, v0, s_restore_buf_rsrc0, s_restore_mem_offset lds:1 offset:256 // second 64DW - s_add_u32 m0, m0, 256*2 // 128 DW - s_add_u32 s_restore_mem_offset, s_restore_mem_offset, 256*2 //mem offset increased by 128DW +#if ASIC_FAMILY >= CHIP_GC_9_5_0 + buffer_load_dword v0, v0, s_restore_buf_rsrc0, s_restore_mem_offset lds:1 offset:512 // third 64DW + buffer_load_dword v0, v0, s_restore_buf_rsrc0, s_restore_mem_offset lds:1 offset:768 // forth 64DW + buffer_load_dword v0, v0, s_restore_buf_rsrc0, s_restore_mem_offset lds:1 offset:1024 // fifth 64DW +#endif + s_add_u32 m0, m0, LDS_RESTORE_GRANULARITY_BYTES // 128/320 DW + s_add_u32 s_restore_mem_offset, s_restore_mem_offset, LDS_RESTORE_GRANULARITY_BYTES //mem offset increased by 128/320 DW s_cmp_lt_u32 m0, s_restore_alloc_size //scc=(m0 < s_restore_alloc_size) ? 1 : 0 s_cbranch_scc1 L_RESTORE_LDS_LOOP //LDS restore is complete? @@ -896,7 +957,7 @@ L_RESTORE: /* the END */ /**************************************************************************/ L_END_PGM: - s_endpgm + s_endpgm_saved end @@ -954,17 +1015,17 @@ L_TCP_STORE_CHECK_DONE: end function write_4vgprs_to_mem(s_rsrc, s_mem_offset) - buffer_store_dword v0, v0, s_rsrc, s_mem_offset slc:1 glc:1 - buffer_store_dword v1, v0, s_rsrc, s_mem_offset slc:1 glc:1 offset:256 - buffer_store_dword v2, v0, s_rsrc, s_mem_offset slc:1 glc:1 offset:256*2 - buffer_store_dword v3, v0, s_rsrc, s_mem_offset slc:1 glc:1 offset:256*3 + buffer_store_dword v0, v0, s_rsrc, s_mem_offset VMEM_MODIFIERS + buffer_store_dword v1, v0, s_rsrc, s_mem_offset VMEM_MODIFIERS offset:256 + buffer_store_dword v2, v0, s_rsrc, s_mem_offset VMEM_MODIFIERS offset:256*2 + buffer_store_dword v3, v0, s_rsrc, s_mem_offset VMEM_MODIFIERS offset:256*3 end function read_4vgprs_from_mem(s_rsrc, s_mem_offset) - buffer_load_dword v0, v0, s_rsrc, s_mem_offset slc:1 glc:1 - buffer_load_dword v1, v0, s_rsrc, s_mem_offset slc:1 glc:1 offset:256 - buffer_load_dword v2, v0, s_rsrc, s_mem_offset slc:1 glc:1 offset:256*2 - buffer_load_dword v3, v0, s_rsrc, s_mem_offset slc:1 glc:1 offset:256*3 + buffer_load_dword v0, v0, s_rsrc, s_mem_offset VMEM_MODIFIERS + buffer_load_dword v1, v0, s_rsrc, s_mem_offset VMEM_MODIFIERS offset:256 + buffer_load_dword v2, v0, s_rsrc, s_mem_offset VMEM_MODIFIERS offset:256*2 + buffer_load_dword v3, v0, s_rsrc, s_mem_offset VMEM_MODIFIERS offset:256*3 s_waitcnt vmcnt(0) end @@ -1058,17 +1119,17 @@ function set_status_without_spi_prio(status, tmp) end function save_and_clear_ib_sts(tmp) - // Save IB_STS.FIRST_REPLAY[15] and IB_STS.RCNT[20:16] into unused space ttmp11[31:26]. + // Save IB_STS.FIRST_REPLAY[15] and IB_STS.RCNT[20:16] into unused space s_save_ib_sts[31:26]. s_getreg_b32 tmp, hwreg(HW_REG_IB_STS) s_and_b32 tmp, tmp, SQ_WAVE_IB_STS_RCNT_FIRST_REPLAY_MASK - s_lshl_b32 tmp, tmp, (TTMP11_SAVE_RCNT_FIRST_REPLAY_SHIFT - SQ_WAVE_IB_STS_FIRST_REPLAY_SHIFT) - s_andn2_b32 ttmp11, ttmp11, TTMP11_SAVE_RCNT_FIRST_REPLAY_MASK - s_or_b32 ttmp11, ttmp11, tmp + s_lshl_b32 tmp, tmp, (TTMP_SAVE_RCNT_FIRST_REPLAY_SHIFT - SQ_WAVE_IB_STS_FIRST_REPLAY_SHIFT) + s_andn2_b32 s_save_ib_sts, s_save_ib_sts, TTMP_SAVE_RCNT_FIRST_REPLAY_MASK + s_or_b32 s_save_ib_sts, s_save_ib_sts, tmp s_setreg_imm32_b32 hwreg(HW_REG_IB_STS), 0x0 end function restore_ib_sts(tmp) - s_lshr_b32 tmp, ttmp11, (TTMP11_SAVE_RCNT_FIRST_REPLAY_SHIFT - SQ_WAVE_IB_STS_FIRST_REPLAY_SHIFT) + s_lshr_b32 tmp, s_save_ib_sts, (TTMP_SAVE_RCNT_FIRST_REPLAY_SHIFT - SQ_WAVE_IB_STS_FIRST_REPLAY_SHIFT) s_and_b32 tmp, tmp, SQ_WAVE_IB_STS_RCNT_FIRST_REPLAY_MASK s_setreg_b32 hwreg(HW_REG_IB_STS), tmp end |