diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3120-drm-amdkfd-Remove-dead-code-from-gfx8-gfx9-trap-hand.patch')
-rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3120-drm-amdkfd-Remove-dead-code-from-gfx8-gfx9-trap-hand.patch | 1254 |
1 files changed, 1254 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3120-drm-amdkfd-Remove-dead-code-from-gfx8-gfx9-trap-hand.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3120-drm-amdkfd-Remove-dead-code-from-gfx8-gfx9-trap-hand.patch new file mode 100644 index 00000000..1d95615b --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3120-drm-amdkfd-Remove-dead-code-from-gfx8-gfx9-trap-hand.patch @@ -0,0 +1,1254 @@ +From 230da4ce3763dee028f54f5a280cb2fc025e8bbe Mon Sep 17 00:00:00 2001 +From: Jay Cornwall <jay.cornwall@amd.com> +Date: Wed, 24 Jul 2019 12:26:08 -0500 +Subject: [PATCH 3120/4256] drm/amdkfd: Remove dead code from gfx8/gfx9 trap + handlers + +Signed-off-by: Jay Cornwall <jay.cornwall@amd.com> +Acked-by: Alex Deucher <alexander.deucher@amd.com> +--- + .../drm/amd/amdkfd/cwsr_trap_handler_gfx8.asm | 395 +----------------- + .../drm/amd/amdkfd/cwsr_trap_handler_gfx9.asm | 375 +---------------- + 2 files changed, 5 insertions(+), 765 deletions(-) + +diff --git a/drivers/gpu/drm/amd/amdkfd/cwsr_trap_handler_gfx8.asm b/drivers/gpu/drm/amd/amdkfd/cwsr_trap_handler_gfx8.asm +index a47f5b933120..b195b7cd8a17 100644 +--- a/drivers/gpu/drm/amd/amdkfd/cwsr_trap_handler_gfx8.asm ++++ b/drivers/gpu/drm/amd/amdkfd/cwsr_trap_handler_gfx8.asm +@@ -24,78 +24,6 @@ + * PROJECT=vi ./sp3 cwsr_trap_handler_gfx8.asm -hex tmp.hex + */ + +-/* HW (VI) source code for CWSR trap handler */ +-/* Version 18 + multiple trap handler */ +- +-// this performance-optimal version was originally from Seven Xu at SRDC +- +-// Revison #18 --... +-/* Rev History +-** #1. Branch from gc dv. //gfxip/gfx8/main/src/test/suites/block/cs/sr/cs_trap_handler.sp3#1,#50, #51, #52-53(Skip, Already Fixed by PV), #54-56(merged),#57-58(mergerd, skiped-already fixed by PV) +-** #4. SR Memory Layout: +-** 1. VGPR-SGPR-HWREG-{LDS} +-** 2. tba_hi.bits.26 - reconfigured as the first wave in tg bits, for defer Save LDS for a threadgroup.. performance concern.. +-** #5. Update: 1. Accurate g8sr_ts_save_d timestamp +-** #6. Update: 1. Fix s_barrier usage; 2. VGPR s/r using swizzle buffer?(NoNeed, already matched the swizzle pattern, more investigation) +-** #7. Update: 1. don't barrier if noLDS +-** #8. Branch: 1. Branch to ver#0, which is very similar to gc dv version +-** 2. Fix SQ issue by s_sleep 2 +-** #9. Update: 1. Fix scc restore failed issue, restore wave_status at last +-** 2. optimize s_buffer save by burst 16sgprs... +-** #10. Update 1. Optimize restore sgpr by busrt 16 sgprs. +-** #11. Update 1. Add 2 more timestamp for debug version +-** #12. Update 1. Add VGPR SR using DWx4, some case improve and some case drop performance +-** #13. Integ 1. Always use MUBUF for PV trap shader... +-** #14. Update 1. s_buffer_store soft clause... +-** #15. Update 1. PERF - sclar write with glc:0/mtype0 to allow L2 combine. perf improvement a lot. +-** #16. Update 1. PRRF - UNROLL LDS_DMA got 2500cycle save in IP tree +-** #17. Update 1. FUNC - LDS_DMA has issues while ATC, replace with ds_read/buffer_store for save part[TODO restore part] +-** 2. PERF - Save LDS before save VGPR to cover LDS save long latency... +-** #18. Update 1. FUNC - Implicitly estore STATUS.VCCZ, which is not writable by s_setreg_b32 +-** 2. FUNC - Handle non-CWSR traps +-*/ +- +-var G8SR_WDMEM_HWREG_OFFSET = 0 +-var G8SR_WDMEM_SGPR_OFFSET = 128 // in bytes +- +-// Keep definition same as the app shader, These 2 time stamps are part of the app shader... Should before any Save and after restore. +- +-var G8SR_DEBUG_TIMESTAMP = 0 +-var G8SR_DEBUG_TS_SAVE_D_OFFSET = 40*4 // ts_save_d timestamp offset relative to SGPR_SR_memory_offset +-var s_g8sr_ts_save_s = s[34:35] // save start +-var s_g8sr_ts_sq_save_msg = s[36:37] // The save shader send SAVEWAVE msg to spi +-var s_g8sr_ts_spi_wrexec = s[38:39] // the SPI write the sr address to SQ +-var s_g8sr_ts_save_d = s[40:41] // save end +-var s_g8sr_ts_restore_s = s[42:43] // restore start +-var s_g8sr_ts_restore_d = s[44:45] // restore end +- +-var G8SR_VGPR_SR_IN_DWX4 = 0 +-var G8SR_SAVE_BUF_RSRC_WORD1_STRIDE_DWx4 = 0x00100000 // DWx4 stride is 4*4Bytes +-var G8SR_RESTORE_BUF_RSRC_WORD1_STRIDE_DWx4 = G8SR_SAVE_BUF_RSRC_WORD1_STRIDE_DWx4 +- +- +-/*************************************************************************/ +-/* control on how to run the shader */ +-/*************************************************************************/ +-//any hack that needs to be made to run this code in EMU (either because various EMU code are not ready or no compute save & restore in EMU run) +-var EMU_RUN_HACK = 0 +-var EMU_RUN_HACK_RESTORE_NORMAL = 0 +-var EMU_RUN_HACK_SAVE_NORMAL_EXIT = 0 +-var EMU_RUN_HACK_SAVE_SINGLE_WAVE = 0 +-var EMU_RUN_HACK_SAVE_FIRST_TIME = 0 //for interrupted restore in which the first save is through EMU_RUN_HACK +-var EMU_RUN_HACK_SAVE_FIRST_TIME_TBA_LO = 0 //for interrupted restore in which the first save is through EMU_RUN_HACK +-var EMU_RUN_HACK_SAVE_FIRST_TIME_TBA_HI = 0 //for interrupted restore in which the first save is through EMU_RUN_HACK +-var SAVE_LDS = 1 +-var WG_BASE_ADDR_LO = 0x9000a000 +-var WG_BASE_ADDR_HI = 0x0 +-var WAVE_SPACE = 0x5000 //memory size that each wave occupies in workgroup state mem +-var CTX_SAVE_CONTROL = 0x0 +-var CTX_RESTORE_CONTROL = CTX_SAVE_CONTROL +-var SIM_RUN_HACK = 0 //any hack that needs to be made to run this code in SIM (either because various RTL code are not ready or no compute save & restore in RTL run) +-var SGPR_SAVE_USE_SQC = 1 //use SQC D$ to do the write +-var USE_MTBUF_INSTEAD_OF_MUBUF = 0 //because TC EMU currently asserts on 0 of // overload DFMT field to carry 4 more bits of stride for MUBUF opcodes +-var SWIZZLE_EN = 0 //whether we use swizzled buffer addressing +- + /**************************************************************************/ + /* variables */ + /**************************************************************************/ +@@ -226,16 +154,7 @@ shader main + type(CS) + + +- if ((EMU_RUN_HACK) && (!EMU_RUN_HACK_RESTORE_NORMAL)) //hack to use trap_id for determining save/restore +- //FIXME VCCZ un-init assertion s_getreg_b32 s_save_status, hwreg(HW_REG_STATUS) //save STATUS since we will change SCC +- s_and_b32 s_save_tmp, s_save_pc_hi, 0xffff0000 //change SCC +- s_cmp_eq_u32 s_save_tmp, 0x007e0000 //Save: trap_id = 0x7e. Restore: trap_id = 0x7f. +- s_cbranch_scc0 L_JUMP_TO_RESTORE //do not need to recover STATUS here since we are going to RESTORE +- //FIXME s_setreg_b32 hwreg(HW_REG_STATUS), s_save_status //need to recover STATUS since we are going to SAVE +- s_branch L_SKIP_RESTORE //NOT restore, SAVE actually +- else + s_branch L_SKIP_RESTORE //NOT restore. might be a regular trap or save +- end + + L_JUMP_TO_RESTORE: + s_branch L_RESTORE //restore +@@ -249,7 +168,7 @@ L_SKIP_RESTORE: + s_cbranch_scc1 L_SAVE //this is the operation for save + + // ********* Handle non-CWSR traps ******************* +-if (!EMU_RUN_HACK) ++ + /* read tba and tma for next level trap handler, ttmp4 is used as s_save_status */ + s_load_dwordx4 [ttmp8,ttmp9,ttmp10, ttmp11], [tma_lo,tma_hi], 0 + s_waitcnt lgkmcnt(0) +@@ -268,7 +187,7 @@ L_EXCP_CASE: + s_and_b32 ttmp1, ttmp1, 0xFFFF + set_status_without_spi_prio(s_save_status, ttmp2) //restore HW status(SCC) + s_rfe_b64 [ttmp0, ttmp1] +-end ++ + // ********* End handling of non-CWSR traps ******************* + + /**************************************************************************/ +@@ -276,12 +195,6 @@ end + /**************************************************************************/ + + L_SAVE: +- +-if G8SR_DEBUG_TIMESTAMP +- s_memrealtime s_g8sr_ts_save_s +- s_waitcnt lgkmcnt(0) //FIXME, will cause xnack?? +-end +- + s_mov_b32 s_save_tmp, 0 //clear saveCtx bit + s_setreg_b32 hwreg(HW_REG_TRAPSTS, SQ_WAVE_TRAPSTS_SAVECTX_SHIFT, 1), s_save_tmp //clear saveCtx bit + +@@ -303,16 +216,7 @@ end + s_mov_b32 s_save_exec_hi, exec_hi + s_mov_b64 exec, 0x0 //clear EXEC to get ready to receive + +-if G8SR_DEBUG_TIMESTAMP +- s_memrealtime s_g8sr_ts_sq_save_msg +- s_waitcnt lgkmcnt(0) +-end +- +- if (EMU_RUN_HACK) +- +- else + s_sendmsg sendmsg(MSG_SAVEWAVE) //send SPI a message and wait for SPI's write to EXEC +- end + + // Set SPI_PRIO=2 to avoid starving instruction fetch in the waves we're waiting for. + s_or_b32 s_save_tmp, s_save_status, (2 << SQ_WAVE_STATUS_SPI_PRIO_SHIFT) +@@ -321,36 +225,9 @@ end + L_SLEEP: + s_sleep 0x2 // sleep 1 (64clk) is not enough for 8 waves per SIMD, which will cause SQ hang, since the 7,8th wave could not get arbit to exec inst, while other waves are stuck into the sleep-loop and waiting for wrexec!=0 + +- if (EMU_RUN_HACK) +- +- else + s_cbranch_execz L_SLEEP +- end +- +-if G8SR_DEBUG_TIMESTAMP +- s_memrealtime s_g8sr_ts_spi_wrexec +- s_waitcnt lgkmcnt(0) +-end + + /* setup Resource Contants */ +- if ((EMU_RUN_HACK) && (!EMU_RUN_HACK_SAVE_SINGLE_WAVE)) +- //calculate wd_addr using absolute thread id +- v_readlane_b32 s_save_tmp, v9, 0 +- s_lshr_b32 s_save_tmp, s_save_tmp, 6 +- s_mul_i32 s_save_tmp, s_save_tmp, WAVE_SPACE +- s_add_i32 s_save_spi_init_lo, s_save_tmp, WG_BASE_ADDR_LO +- s_mov_b32 s_save_spi_init_hi, WG_BASE_ADDR_HI +- s_and_b32 s_save_spi_init_hi, s_save_spi_init_hi, CTX_SAVE_CONTROL +- else +- end +- if ((EMU_RUN_HACK) && (EMU_RUN_HACK_SAVE_SINGLE_WAVE)) +- s_add_i32 s_save_spi_init_lo, s_save_tmp, WG_BASE_ADDR_LO +- s_mov_b32 s_save_spi_init_hi, WG_BASE_ADDR_HI +- s_and_b32 s_save_spi_init_hi, s_save_spi_init_hi, CTX_SAVE_CONTROL +- else +- end +- +- + s_mov_b32 s_save_buf_rsrc0, s_save_spi_init_lo //base_addr_lo + s_and_b32 s_save_buf_rsrc1, s_save_spi_init_hi, 0x0000FFFF //base_addr_hi + s_or_b32 s_save_buf_rsrc1, s_save_buf_rsrc1, S_SAVE_BUF_RSRC_WORD1_STRIDE +@@ -383,22 +260,10 @@ end + + + s_mov_b32 s_save_buf_rsrc2, 0x4 //NUM_RECORDS in bytes +- if (SWIZZLE_EN) +- s_add_u32 s_save_buf_rsrc2, s_save_buf_rsrc2, 0x0 //FIXME need to use swizzle to enable bounds checking? +- else + s_mov_b32 s_save_buf_rsrc2, 0x1000000 //NUM_RECORDS in bytes +- end + + + write_hwreg_to_mem(s_save_m0, s_save_buf_rsrc0, s_save_mem_offset) //M0 +- +- if ((EMU_RUN_HACK) && (EMU_RUN_HACK_SAVE_FIRST_TIME)) +- s_add_u32 s_save_pc_lo, s_save_pc_lo, 4 //pc[31:0]+4 +- s_addc_u32 s_save_pc_hi, s_save_pc_hi, 0x0 //carry bit over +- s_mov_b32 tba_lo, EMU_RUN_HACK_SAVE_FIRST_TIME_TBA_LO +- s_mov_b32 tba_hi, EMU_RUN_HACK_SAVE_FIRST_TIME_TBA_HI +- end +- + write_hwreg_to_mem(s_save_pc_lo, s_save_buf_rsrc0, s_save_mem_offset) //PC + write_hwreg_to_mem(s_save_pc_hi, s_save_buf_rsrc0, s_save_mem_offset) + write_hwreg_to_mem(s_save_exec_lo, s_save_buf_rsrc0, s_save_mem_offset) //EXEC +@@ -440,18 +305,8 @@ end + s_add_u32 s_save_alloc_size, s_save_alloc_size, 1 + s_lshl_b32 s_save_alloc_size, s_save_alloc_size, 4 //Number of SGPRs = (sgpr_size + 1) * 16 (non-zero value) + +- if (SGPR_SAVE_USE_SQC) + s_lshl_b32 s_save_buf_rsrc2, s_save_alloc_size, 2 //NUM_RECORDS in bytes +- else +- s_lshl_b32 s_save_buf_rsrc2, s_save_alloc_size, 8 //NUM_RECORDS in bytes (64 threads) +- end +- +- if (SWIZZLE_EN) +- s_add_u32 s_save_buf_rsrc2, s_save_buf_rsrc2, 0x0 //FIXME need to use swizzle to enable bounds checking? +- else + s_mov_b32 s_save_buf_rsrc2, 0x1000000 //NUM_RECORDS in bytes +- end +- + + // backup s_save_buf_rsrc0,1 to s_save_pc_lo/hi, since write_16sgpr_to_mem function will change the rsrc0 + //s_mov_b64 s_save_pc_lo, s_save_buf_rsrc0 +@@ -490,30 +345,14 @@ end + s_mov_b32 exec_lo, 0xFFFFFFFF //need every thread from now on + s_mov_b32 exec_hi, 0xFFFFFFFF + +- if (SWIZZLE_EN) +- s_add_u32 s_save_buf_rsrc2, s_save_buf_rsrc2, 0x0 //FIXME need to use swizzle to enable bounds checking? +- else + s_mov_b32 s_save_buf_rsrc2, 0x1000000 //NUM_RECORDS in bytes +- end +- + + // VGPR Allocated in 4-GPR granularity + +-if G8SR_VGPR_SR_IN_DWX4 +- // the const stride for DWx4 is 4*4 bytes +- s_and_b32 s_save_buf_rsrc1, s_save_buf_rsrc1, 0x0000FFFF // reset const stride to 0 +- s_or_b32 s_save_buf_rsrc1, s_save_buf_rsrc1, G8SR_SAVE_BUF_RSRC_WORD1_STRIDE_DWx4 // const stride to 4*4 bytes +- +- buffer_store_dwordx4 v0, v0, s_save_buf_rsrc0, s_save_mem_offset slc:1 glc:1 +- +- s_and_b32 s_save_buf_rsrc1, s_save_buf_rsrc1, 0x0000FFFF // reset const stride to 0 +- s_or_b32 s_save_buf_rsrc1, s_save_buf_rsrc1, S_SAVE_BUF_RSRC_WORD1_STRIDE // reset const stride to 4 bytes +-else + buffer_store_dword v0, v0, s_save_buf_rsrc0, s_save_mem_offset slc:1 glc:1 + buffer_store_dword v1, v0, s_save_buf_rsrc0, s_save_mem_offset slc:1 glc:1 offset:256 + buffer_store_dword v2, v0, s_save_buf_rsrc0, s_save_mem_offset slc:1 glc:1 offset:256*2 + buffer_store_dword v3, v0, s_save_buf_rsrc0, s_save_mem_offset slc:1 glc:1 offset:256*3 +-end + + + +@@ -549,64 +388,10 @@ end + s_add_u32 s_save_mem_offset, s_save_mem_offset, get_hwreg_size_bytes() + + +- if (SWIZZLE_EN) +- s_add_u32 s_save_buf_rsrc2, s_save_buf_rsrc2, 0x0 //FIXME need to use swizzle to enable bounds checking? +- else + s_mov_b32 s_save_buf_rsrc2, 0x1000000 //NUM_RECORDS in bytes +- end +- + s_mov_b32 m0, 0x0 //lds_offset initial value = 0 + + +-var LDS_DMA_ENABLE = 0 +-var UNROLL = 0 +-if UNROLL==0 && LDS_DMA_ENABLE==1 +- s_mov_b32 s3, 256*2 +- s_nop 0 +- s_nop 0 +- s_nop 0 +- L_SAVE_LDS_LOOP: +- //TODO: looks the 2 buffer_store/load clause for s/r will hurt performance.??? +- if (SAVE_LDS) //SPI always alloc LDS space in 128DW granularity +- buffer_store_lds_dword s_save_buf_rsrc0, s_save_mem_offset lds:1 // first 64DW +- buffer_store_lds_dword s_save_buf_rsrc0, s_save_mem_offset lds:1 offset:256 // second 64DW +- end +- +- s_add_u32 m0, m0, s3 //every buffer_store_lds does 256 bytes +- s_add_u32 s_save_mem_offset, s_save_mem_offset, s3 //mem offset increased by 256 bytes +- s_cmp_lt_u32 m0, s_save_alloc_size //scc=(m0 < s_save_alloc_size) ? 1 : 0 +- s_cbranch_scc1 L_SAVE_LDS_LOOP //LDS save is complete? +- +-elsif LDS_DMA_ENABLE==1 && UNROLL==1 // UNROOL , has ichace miss +- // store from higest LDS address to lowest +- s_mov_b32 s3, 256*2 +- s_sub_u32 m0, s_save_alloc_size, s3 +- s_add_u32 s_save_mem_offset, s_save_mem_offset, m0 +- s_lshr_b32 s_save_alloc_size, s_save_alloc_size, 9 // how many 128 trunks... +- s_sub_u32 s_save_alloc_size, 128, s_save_alloc_size // store from higheset addr to lowest +- s_mul_i32 s_save_alloc_size, s_save_alloc_size, 6*4 // PC offset increment, each LDS save block cost 6*4 Bytes instruction +- s_add_u32 s_save_alloc_size, s_save_alloc_size, 3*4 //2is the below 2 inst...//s_addc and s_setpc +- s_nop 0 +- s_nop 0 +- s_nop 0 //pad 3 dw to let LDS_DMA align with 64Bytes +- s_getpc_b64 s[0:1] // reuse s[0:1], since s[0:1] already saved +- s_add_u32 s0, s0,s_save_alloc_size +- s_addc_u32 s1, s1, 0 +- s_setpc_b64 s[0:1] +- +- +- for var i =0; i< 128; i++ +- // be careful to make here a 64Byte aligned address, which could improve performance... +- buffer_store_lds_dword s_save_buf_rsrc0, s_save_mem_offset lds:1 offset:0 // first 64DW +- buffer_store_lds_dword s_save_buf_rsrc0, s_save_mem_offset lds:1 offset:256 // second 64DW +- +- if i!=127 +- s_sub_u32 m0, m0, s3 // use a sgpr to shrink 2DW-inst to 1DW inst to improve performance , i.e. pack more LDS_DMA inst to one Cacheline +- s_sub_u32 s_save_mem_offset, s_save_mem_offset, s3 +- end +- end +- +-else // BUFFER_STORE + v_mbcnt_lo_u32_b32 v2, 0xffffffff, 0x0 + v_mbcnt_hi_u32_b32 v3, 0xffffffff, v2 // tid + v_mul_i32_i24 v2, v3, 8 // tid*8 +@@ -628,8 +413,6 @@ L_SAVE_LDS_LOOP_VECTOR: + // restore rsrc3 + s_mov_b32 s_save_buf_rsrc3, s0 + +-end +- + L_SAVE_LDS_DONE: + + +@@ -647,44 +430,8 @@ L_SAVE_LDS_DONE: + s_add_u32 s_save_alloc_size, s_save_alloc_size, 1 + s_lshl_b32 s_save_alloc_size, s_save_alloc_size, 2 //Number of VGPRs = (vgpr_size + 1) * 4 (non-zero value) //FIXME for GFX, zero is possible + s_lshl_b32 s_save_buf_rsrc2, s_save_alloc_size, 8 //NUM_RECORDS in bytes (64 threads*4) +- if (SWIZZLE_EN) +- s_add_u32 s_save_buf_rsrc2, s_save_buf_rsrc2, 0x0 //FIXME need to use swizzle to enable bounds checking? +- else + s_mov_b32 s_save_buf_rsrc2, 0x1000000 //NUM_RECORDS in bytes +- end +- +- +- // VGPR Allocated in 4-GPR granularity +- +-if G8SR_VGPR_SR_IN_DWX4 +- // the const stride for DWx4 is 4*4 bytes +- s_and_b32 s_save_buf_rsrc1, s_save_buf_rsrc1, 0x0000FFFF // reset const stride to 0 +- s_or_b32 s_save_buf_rsrc1, s_save_buf_rsrc1, G8SR_SAVE_BUF_RSRC_WORD1_STRIDE_DWx4 // const stride to 4*4 bytes +- +- s_mov_b32 m0, 4 // skip first 4 VGPRs +- s_cmp_lt_u32 m0, s_save_alloc_size +- s_cbranch_scc0 L_SAVE_VGPR_LOOP_END // no more vgprs + +- s_set_gpr_idx_on m0, 0x1 // This will change M0 +- s_add_u32 s_save_alloc_size, s_save_alloc_size, 0x1000 // because above inst change m0 +-L_SAVE_VGPR_LOOP: +- v_mov_b32 v0, v0 // v0 = v[0+m0] +- v_mov_b32 v1, v1 +- v_mov_b32 v2, v2 +- v_mov_b32 v3, v3 +- +- +- buffer_store_dwordx4 v0, v0, s_save_buf_rsrc0, s_save_mem_offset slc:1 glc:1 +- s_add_u32 m0, m0, 4 +- s_add_u32 s_save_mem_offset, s_save_mem_offset, 256*4 +- s_cmp_lt_u32 m0, s_save_alloc_size +- s_cbranch_scc1 L_SAVE_VGPR_LOOP //VGPR save is complete? +- s_set_gpr_idx_off +-L_SAVE_VGPR_LOOP_END: +- +- s_and_b32 s_save_buf_rsrc1, s_save_buf_rsrc1, 0x0000FFFF // reset const stride to 0 +- s_or_b32 s_save_buf_rsrc1, s_save_buf_rsrc1, S_SAVE_BUF_RSRC_WORD1_STRIDE // reset const stride to 4 bytes +-else + // VGPR store using dw burst + s_mov_b32 m0, 0x4 //VGPR initial index value =0 + s_cmp_lt_u32 m0, s_save_alloc_size +@@ -700,52 +447,18 @@ else + v_mov_b32 v2, v2 //v0 = v[0+m0] + v_mov_b32 v3, v3 //v0 = v[0+m0] + +- if(USE_MTBUF_INSTEAD_OF_MUBUF) +- tbuffer_store_format_x v0, v0, s_save_buf_rsrc0, s_save_mem_offset format:BUF_NUM_FORMAT_FLOAT format: BUF_DATA_FORMAT_32 slc:1 glc:1 +- else + buffer_store_dword v0, v0, s_save_buf_rsrc0, s_save_mem_offset slc:1 glc:1 + buffer_store_dword v1, v0, s_save_buf_rsrc0, s_save_mem_offset slc:1 glc:1 offset:256 + buffer_store_dword v2, v0, s_save_buf_rsrc0, s_save_mem_offset slc:1 glc:1 offset:256*2 + buffer_store_dword v3, v0, s_save_buf_rsrc0, s_save_mem_offset slc:1 glc:1 offset:256*3 +- end + + s_add_u32 m0, m0, 4 //next vgpr index + s_add_u32 s_save_mem_offset, s_save_mem_offset, 256*4 //every buffer_store_dword does 256 bytes + s_cmp_lt_u32 m0, s_save_alloc_size //scc = (m0 < s_save_alloc_size) ? 1 : 0 + s_cbranch_scc1 L_SAVE_VGPR_LOOP //VGPR save is complete? + s_set_gpr_idx_off +-end + + L_SAVE_VGPR_END: +- +- +- +- +- +- +- /* S_PGM_END_SAVED */ //FIXME graphics ONLY +- if ((EMU_RUN_HACK) && (!EMU_RUN_HACK_SAVE_NORMAL_EXIT)) +- s_and_b32 s_save_pc_hi, s_save_pc_hi, 0x0000ffff //pc[47:32] +- s_add_u32 s_save_pc_lo, s_save_pc_lo, 4 //pc[31:0]+4 +- s_addc_u32 s_save_pc_hi, s_save_pc_hi, 0x0 //carry bit over +- s_rfe_b64 s_save_pc_lo //Return to the main shader program +- else +- end +- +-// Save Done timestamp +-if G8SR_DEBUG_TIMESTAMP +- s_memrealtime s_g8sr_ts_save_d +- // SGPR SR memory offset : size(VGPR) +- get_vgpr_size_bytes(s_save_mem_offset) +- s_add_u32 s_save_mem_offset, s_save_mem_offset, G8SR_DEBUG_TS_SAVE_D_OFFSET +- s_waitcnt lgkmcnt(0) //FIXME, will cause xnack?? +- // Need reset rsrc2?? +- s_mov_b32 m0, s_save_mem_offset +- s_mov_b32 s_save_buf_rsrc2, 0x1000000 //NUM_RECORDS in bytes +- s_buffer_store_dwordx2 s_g8sr_ts_save_d, s_save_buf_rsrc0, m0 glc:1 +-end +- +- + s_branch L_END_PGM + + +@@ -756,27 +469,6 @@ end + + L_RESTORE: + /* Setup Resource Contants */ +- if ((EMU_RUN_HACK) && (!EMU_RUN_HACK_RESTORE_NORMAL)) +- //calculate wd_addr using absolute thread id +- v_readlane_b32 s_restore_tmp, v9, 0 +- s_lshr_b32 s_restore_tmp, s_restore_tmp, 6 +- s_mul_i32 s_restore_tmp, s_restore_tmp, WAVE_SPACE +- s_add_i32 s_restore_spi_init_lo, s_restore_tmp, WG_BASE_ADDR_LO +- s_mov_b32 s_restore_spi_init_hi, WG_BASE_ADDR_HI +- s_and_b32 s_restore_spi_init_hi, s_restore_spi_init_hi, CTX_RESTORE_CONTROL +- else +- end +- +-if G8SR_DEBUG_TIMESTAMP +- s_memrealtime s_g8sr_ts_restore_s +- s_waitcnt lgkmcnt(0) //FIXME, will cause xnack?? +- // tma_lo/hi are sgpr 110, 111, which will not used for 112 SGPR allocated case... +- s_mov_b32 s_restore_pc_lo, s_g8sr_ts_restore_s[0] +- s_mov_b32 s_restore_pc_hi, s_g8sr_ts_restore_s[1] //backup ts to ttmp0/1, sicne exec will be finally restored.. +-end +- +- +- + s_mov_b32 s_restore_buf_rsrc0, s_restore_spi_init_lo //base_addr_lo + s_and_b32 s_restore_buf_rsrc1, s_restore_spi_init_hi, 0x0000FFFF //base_addr_hi + s_or_b32 s_restore_buf_rsrc1, s_restore_buf_rsrc1, S_RESTORE_BUF_RSRC_WORD1_STRIDE +@@ -818,18 +510,12 @@ end + s_add_u32 s_restore_mem_offset, s_restore_mem_offset, get_hwreg_size_bytes() //FIXME, Check if offset overflow??? + + +- if (SWIZZLE_EN) +- s_add_u32 s_restore_buf_rsrc2, s_restore_buf_rsrc2, 0x0 //FIXME need to use swizzle to enable bounds checking? +- else + s_mov_b32 s_restore_buf_rsrc2, 0x1000000 //NUM_RECORDS in bytes +- end + s_mov_b32 m0, 0x0 //lds_offset initial value = 0 + + L_RESTORE_LDS_LOOP: +- if (SAVE_LDS) + 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 +- end + 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 + s_cmp_lt_u32 m0, s_restore_alloc_size //scc=(m0 < s_restore_alloc_size) ? 1 : 0 +@@ -848,40 +534,8 @@ end + s_add_u32 s_restore_alloc_size, s_restore_alloc_size, 1 + s_lshl_b32 s_restore_alloc_size, s_restore_alloc_size, 2 //Number of VGPRs = (vgpr_size + 1) * 4 (non-zero value) + s_lshl_b32 s_restore_buf_rsrc2, s_restore_alloc_size, 8 //NUM_RECORDS in bytes (64 threads*4) +- if (SWIZZLE_EN) +- s_add_u32 s_restore_buf_rsrc2, s_restore_buf_rsrc2, 0x0 //FIXME need to use swizzle to enable bounds checking? +- else + s_mov_b32 s_restore_buf_rsrc2, 0x1000000 //NUM_RECORDS in bytes +- end +- +-if G8SR_VGPR_SR_IN_DWX4 +- get_vgpr_size_bytes(s_restore_mem_offset) +- s_sub_u32 s_restore_mem_offset, s_restore_mem_offset, 256*4 +- +- // the const stride for DWx4 is 4*4 bytes +- s_and_b32 s_restore_buf_rsrc1, s_restore_buf_rsrc1, 0x0000FFFF // reset const stride to 0 +- s_or_b32 s_restore_buf_rsrc1, s_restore_buf_rsrc1, G8SR_RESTORE_BUF_RSRC_WORD1_STRIDE_DWx4 // const stride to 4*4 bytes +- +- s_mov_b32 m0, s_restore_alloc_size +- s_set_gpr_idx_on m0, 0x8 // Note.. This will change m0 +- +-L_RESTORE_VGPR_LOOP: +- buffer_load_dwordx4 v0, v0, s_restore_buf_rsrc0, s_restore_mem_offset slc:1 glc:1 +- s_waitcnt vmcnt(0) +- s_sub_u32 m0, m0, 4 +- v_mov_b32 v0, v0 // v[0+m0] = v0 +- v_mov_b32 v1, v1 +- v_mov_b32 v2, v2 +- v_mov_b32 v3, v3 +- s_sub_u32 s_restore_mem_offset, s_restore_mem_offset, 256*4 +- s_cmp_eq_u32 m0, 0x8000 +- s_cbranch_scc0 L_RESTORE_VGPR_LOOP +- s_set_gpr_idx_off +- +- s_and_b32 s_restore_buf_rsrc1, s_restore_buf_rsrc1, 0x0000FFFF // reset const stride to 0 +- s_or_b32 s_restore_buf_rsrc1, s_restore_buf_rsrc1, S_RESTORE_BUF_RSRC_WORD1_STRIDE // const stride to 4*4 bytes +- +-else ++ + // VGPR load using dw burst + s_mov_b32 s_restore_mem_offset_save, s_restore_mem_offset // restore start with v1, v0 will be the last + s_add_u32 s_restore_mem_offset, s_restore_mem_offset, 256*4 +@@ -890,14 +544,10 @@ else + s_add_u32 s_restore_alloc_size, s_restore_alloc_size, 0x8000 //add 0x8000 since we compare m0 against it later + + L_RESTORE_VGPR_LOOP: +- if(USE_MTBUF_INSTEAD_OF_MUBUF) +- tbuffer_load_format_x v0, v0, s_restore_buf_rsrc0, s_restore_mem_offset format:BUF_NUM_FORMAT_FLOAT format: BUF_DATA_FORMAT_32 slc:1 glc:1 +- else + buffer_load_dword v0, v0, s_restore_buf_rsrc0, s_restore_mem_offset slc:1 glc:1 + buffer_load_dword v1, v0, s_restore_buf_rsrc0, s_restore_mem_offset slc:1 glc:1 offset:256 + buffer_load_dword v2, v0, s_restore_buf_rsrc0, s_restore_mem_offset slc:1 glc:1 offset:256*2 + buffer_load_dword v3, v0, s_restore_buf_rsrc0, s_restore_mem_offset slc:1 glc:1 offset:256*3 +- end + s_waitcnt vmcnt(0) //ensure data ready + v_mov_b32 v0, v0 //v[0+m0] = v0 + v_mov_b32 v1, v1 +@@ -909,16 +559,10 @@ else + s_cbranch_scc1 L_RESTORE_VGPR_LOOP //VGPR restore (except v0) is complete? + s_set_gpr_idx_off + /* VGPR restore on v0 */ +- if(USE_MTBUF_INSTEAD_OF_MUBUF) +- tbuffer_load_format_x v0, v0, s_restore_buf_rsrc0, s_restore_mem_offset_save format:BUF_NUM_FORMAT_FLOAT format: BUF_DATA_FORMAT_32 slc:1 glc:1 +- else + buffer_load_dword v0, v0, s_restore_buf_rsrc0, s_restore_mem_offset_save slc:1 glc:1 + buffer_load_dword v1, v0, s_restore_buf_rsrc0, s_restore_mem_offset_save slc:1 glc:1 offset:256 + buffer_load_dword v2, v0, s_restore_buf_rsrc0, s_restore_mem_offset_save slc:1 glc:1 offset:256*2 + buffer_load_dword v3, v0, s_restore_buf_rsrc0, s_restore_mem_offset_save slc:1 glc:1 offset:256*3 +- end +- +-end + + /* restore SGPRs */ + ////////////////////////////// +@@ -934,16 +578,8 @@ end + s_add_u32 s_restore_alloc_size, s_restore_alloc_size, 1 + s_lshl_b32 s_restore_alloc_size, s_restore_alloc_size, 4 //Number of SGPRs = (sgpr_size + 1) * 16 (non-zero value) + +- if (SGPR_SAVE_USE_SQC) + s_lshl_b32 s_restore_buf_rsrc2, s_restore_alloc_size, 2 //NUM_RECORDS in bytes +- else +- s_lshl_b32 s_restore_buf_rsrc2, s_restore_alloc_size, 8 //NUM_RECORDS in bytes (64 threads) +- end +- if (SWIZZLE_EN) +- s_add_u32 s_restore_buf_rsrc2, s_restore_buf_rsrc2, 0x0 //FIXME need to use swizzle to enable bounds checking? +- else + s_mov_b32 s_restore_buf_rsrc2, 0x1000000 //NUM_RECORDS in bytes +- end + + /* If 112 SGPRs ar allocated, 4 sgprs are not used TBA(108,109),TMA(110,111), + However, we are safe to restore these 4 SGPRs anyway, since TBA,TMA will later be restored by HWREG +@@ -972,12 +608,6 @@ end + ////////////////////////////// + L_RESTORE_HWREG: + +- +-if G8SR_DEBUG_TIMESTAMP +- s_mov_b32 s_g8sr_ts_restore_s[0], s_restore_pc_lo +- s_mov_b32 s_g8sr_ts_restore_s[1], s_restore_pc_hi +-end +- + // HWREG SR memory offset : size(VGPR)+size(SGPR) + get_vgpr_size_bytes(s_restore_mem_offset) + get_sgpr_size_bytes(s_restore_tmp) +@@ -985,11 +615,7 @@ end + + + s_mov_b32 s_restore_buf_rsrc2, 0x4 //NUM_RECORDS in bytes +- if (SWIZZLE_EN) +- s_add_u32 s_restore_buf_rsrc2, s_restore_buf_rsrc2, 0x0 //FIXME need to use swizzle to enable bounds checking? +- else + s_mov_b32 s_restore_buf_rsrc2, 0x1000000 //NUM_RECORDS in bytes +- end + + read_hwreg_from_mem(s_restore_m0, s_restore_buf_rsrc0, s_restore_mem_offset) //M0 + read_hwreg_from_mem(s_restore_pc_lo, s_restore_buf_rsrc0, s_restore_mem_offset) //PC +@@ -1006,16 +632,6 @@ end + + s_waitcnt lgkmcnt(0) //from now on, it is safe to restore STATUS and IB_STS + +- //for normal save & restore, the saved PC points to the next inst to execute, no adjustment needs to be made, otherwise: +- if ((EMU_RUN_HACK) && (!EMU_RUN_HACK_RESTORE_NORMAL)) +- s_add_u32 s_restore_pc_lo, s_restore_pc_lo, 8 //pc[31:0]+8 //two back-to-back s_trap are used (first for save and second for restore) +- s_addc_u32 s_restore_pc_hi, s_restore_pc_hi, 0x0 //carry bit over +- end +- if ((EMU_RUN_HACK) && (EMU_RUN_HACK_RESTORE_NORMAL)) +- s_add_u32 s_restore_pc_lo, s_restore_pc_lo, 4 //pc[31:0]+4 // save is hack through s_trap but restore is normal +- s_addc_u32 s_restore_pc_hi, s_restore_pc_hi, 0x0 //carry bit over +- end +- + s_mov_b32 m0, s_restore_m0 + s_mov_b32 exec_lo, s_restore_exec_lo + s_mov_b32 exec_hi, s_restore_exec_hi +@@ -1048,11 +664,6 @@ end + + s_barrier //barrier to ensure the readiness of LDS before access attempts from any other wave in the same TG //FIXME not performance-optimal at this time + +-if G8SR_DEBUG_TIMESTAMP +- s_memrealtime s_g8sr_ts_restore_d +- s_waitcnt lgkmcnt(0) +-end +- + // s_rfe_b64 s_restore_pc_lo //Return to the main shader program and resume execution + s_rfe_restore_b64 s_restore_pc_lo, s_restore_m0 // s_restore_m0[0] is used to set STATUS.inst_atc + +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 cee4cfd5182d..75f29d13c90f 100644 +--- a/drivers/gpu/drm/amd/amdkfd/cwsr_trap_handler_gfx9.asm ++++ b/drivers/gpu/drm/amd/amdkfd/cwsr_trap_handler_gfx9.asm +@@ -24,75 +24,6 @@ + * PROJECT=greenland ./sp3 cwsr_trap_handler_gfx9.asm -hex tmp.hex + */ + +-/* HW (GFX9) source code for CWSR trap handler */ +-/* Version 18 + multiple trap handler */ +- +-// this performance-optimal version was originally from Seven Xu at SRDC +- +-// Revison #18 --... +-/* Rev History +-** #1. Branch from gc dv. //gfxip/gfx9/main/src/test/suites/block/cs/sr/cs_trap_handler.sp3#1,#50, #51, #52-53(Skip, Already Fixed by PV), #54-56(merged),#57-58(mergerd, skiped-already fixed by PV) +-** #4. SR Memory Layout: +-** 1. VGPR-SGPR-HWREG-{LDS} +-** 2. tba_hi.bits.26 - reconfigured as the first wave in tg bits, for defer Save LDS for a threadgroup.. performance concern.. +-** #5. Update: 1. Accurate g8sr_ts_save_d timestamp +-** #6. Update: 1. Fix s_barrier usage; 2. VGPR s/r using swizzle buffer?(NoNeed, already matched the swizzle pattern, more investigation) +-** #7. Update: 1. don't barrier if noLDS +-** #8. Branch: 1. Branch to ver#0, which is very similar to gc dv version +-** 2. Fix SQ issue by s_sleep 2 +-** #9. Update: 1. Fix scc restore failed issue, restore wave_status at last +-** 2. optimize s_buffer save by burst 16sgprs... +-** #10. Update 1. Optimize restore sgpr by busrt 16 sgprs. +-** #11. Update 1. Add 2 more timestamp for debug version +-** #12. Update 1. Add VGPR SR using DWx4, some case improve and some case drop performance +-** #13. Integ 1. Always use MUBUF for PV trap shader... +-** #14. Update 1. s_buffer_store soft clause... +-** #15. Update 1. PERF - sclar write with glc:0/mtype0 to allow L2 combine. perf improvement a lot. +-** #16. Update 1. PRRF - UNROLL LDS_DMA got 2500cycle save in IP tree +-** #17. Update 1. FUNC - LDS_DMA has issues while ATC, replace with ds_read/buffer_store for save part[TODO restore part] +-** 2. PERF - Save LDS before save VGPR to cover LDS save long latency... +-** #18. Update 1. FUNC - Implicitly estore STATUS.VCCZ, which is not writable by s_setreg_b32 +-** 2. FUNC - Handle non-CWSR traps +-*/ +- +-var G8SR_WDMEM_HWREG_OFFSET = 0 +-var G8SR_WDMEM_SGPR_OFFSET = 128 // in bytes +- +-// Keep definition same as the app shader, These 2 time stamps are part of the app shader... Should before any Save and after restore. +- +-var G8SR_DEBUG_TIMESTAMP = 0 +-var G8SR_DEBUG_TS_SAVE_D_OFFSET = 40*4 // ts_save_d timestamp offset relative to SGPR_SR_memory_offset +-var s_g8sr_ts_save_s = s[34:35] // save start +-var s_g8sr_ts_sq_save_msg = s[36:37] // The save shader send SAVEWAVE msg to spi +-var s_g8sr_ts_spi_wrexec = s[38:39] // the SPI write the sr address to SQ +-var s_g8sr_ts_save_d = s[40:41] // save end +-var s_g8sr_ts_restore_s = s[42:43] // restore start +-var s_g8sr_ts_restore_d = s[44:45] // restore end +- +-var G8SR_VGPR_SR_IN_DWX4 = 0 +-var G8SR_SAVE_BUF_RSRC_WORD1_STRIDE_DWx4 = 0x00100000 // DWx4 stride is 4*4Bytes +-var G8SR_RESTORE_BUF_RSRC_WORD1_STRIDE_DWx4 = G8SR_SAVE_BUF_RSRC_WORD1_STRIDE_DWx4 +- +- +-/*************************************************************************/ +-/* control on how to run the shader */ +-/*************************************************************************/ +-//any hack that needs to be made to run this code in EMU (either because various EMU code are not ready or no compute save & restore in EMU run) +-var EMU_RUN_HACK = 0 +-var EMU_RUN_HACK_RESTORE_NORMAL = 0 +-var EMU_RUN_HACK_SAVE_NORMAL_EXIT = 0 +-var EMU_RUN_HACK_SAVE_SINGLE_WAVE = 0 +-var EMU_RUN_HACK_SAVE_FIRST_TIME = 0 //for interrupted restore in which the first save is through EMU_RUN_HACK +-var SAVE_LDS = 1 +-var WG_BASE_ADDR_LO = 0x9000a000 +-var WG_BASE_ADDR_HI = 0x0 +-var WAVE_SPACE = 0x5000 //memory size that each wave occupies in workgroup state mem +-var CTX_SAVE_CONTROL = 0x0 +-var CTX_RESTORE_CONTROL = CTX_SAVE_CONTROL +-var SIM_RUN_HACK = 0 //any hack that needs to be made to run this code in SIM (either because various RTL code are not ready or no compute save & restore in RTL run) +-var SGPR_SAVE_USE_SQC = 1 //use SQC D$ to do the write +-var USE_MTBUF_INSTEAD_OF_MUBUF = 0 //because TC EMU currently asserts on 0 of // overload DFMT field to carry 4 more bits of stride for MUBUF opcodes +-var SWIZZLE_EN = 0 //whether we use swizzled buffer addressing + 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 +@@ -238,16 +169,7 @@ shader main + type(CS) + + +- if ((EMU_RUN_HACK) && (!EMU_RUN_HACK_RESTORE_NORMAL)) //hack to use trap_id for determining save/restore +- //FIXME VCCZ un-init assertion s_getreg_b32 s_save_status, hwreg(HW_REG_STATUS) //save STATUS since we will change SCC +- s_and_b32 s_save_tmp, s_save_pc_hi, 0xffff0000 //change SCC +- s_cmp_eq_u32 s_save_tmp, 0x007e0000 //Save: trap_id = 0x7e. Restore: trap_id = 0x7f. +- s_cbranch_scc0 L_JUMP_TO_RESTORE //do not need to recover STATUS here since we are going to RESTORE +- //FIXME s_setreg_b32 hwreg(HW_REG_STATUS), s_save_status //need to recover STATUS since we are going to SAVE +- s_branch L_SKIP_RESTORE //NOT restore, SAVE actually +- else + s_branch L_SKIP_RESTORE //NOT restore. might be a regular trap or save +- end + + L_JUMP_TO_RESTORE: + s_branch L_RESTORE //restore +@@ -278,7 +200,7 @@ end + s_cbranch_scc1 L_SAVE //this is the operation for save + + // ********* Handle non-CWSR traps ******************* +-if (!EMU_RUN_HACK) ++ + // Illegal instruction is a non-maskable exception which blocks context save. + // Halt the wavefront and return from the trap. + s_and_b32 ttmp2, s_save_trapsts, SQ_WAVE_TRAPSTS_ILLEGAL_INST_MASK +@@ -355,7 +277,7 @@ L_EXCP_CASE: + set_status_without_spi_prio(s_save_status, ttmp2) + + s_rfe_b64 [ttmp0, ttmp1] +-end ++ + // ********* End handling of non-CWSR traps ******************* + + /**************************************************************************/ +@@ -363,12 +285,6 @@ end + /**************************************************************************/ + + L_SAVE: +- +-if G8SR_DEBUG_TIMESTAMP +- s_memrealtime s_g8sr_ts_save_s +- s_waitcnt lgkmcnt(0) //FIXME, will cause xnack?? +-end +- + s_and_b32 s_save_pc_hi, s_save_pc_hi, 0x0000ffff //pc[47:32] + + s_mov_b32 s_save_tmp, 0 //clear saveCtx bit +@@ -390,16 +306,7 @@ end + s_mov_b32 s_save_exec_hi, exec_hi + s_mov_b64 exec, 0x0 //clear EXEC to get ready to receive + +-if G8SR_DEBUG_TIMESTAMP +- s_memrealtime s_g8sr_ts_sq_save_msg +- s_waitcnt lgkmcnt(0) +-end +- +- if (EMU_RUN_HACK) +- +- else + s_sendmsg sendmsg(MSG_SAVEWAVE) //send SPI a message and wait for SPI's write to EXEC +- end + + // Set SPI_PRIO=2 to avoid starving instruction fetch in the waves we're waiting for. + s_or_b32 s_save_tmp, s_save_status, (2 << SQ_WAVE_STATUS_SPI_PRIO_SHIFT) +@@ -408,33 +315,7 @@ end + L_SLEEP: + s_sleep 0x2 // sleep 1 (64clk) is not enough for 8 waves per SIMD, which will cause SQ hang, since the 7,8th wave could not get arbit to exec inst, while other waves are stuck into the sleep-loop and waiting for wrexec!=0 + +- if (EMU_RUN_HACK) +- +- else + s_cbranch_execz L_SLEEP +- end +- +-if G8SR_DEBUG_TIMESTAMP +- s_memrealtime s_g8sr_ts_spi_wrexec +- s_waitcnt lgkmcnt(0) +-end +- +- if ((EMU_RUN_HACK) && (!EMU_RUN_HACK_SAVE_SINGLE_WAVE)) +- //calculate wd_addr using absolute thread id +- v_readlane_b32 s_save_tmp, v9, 0 +- s_lshr_b32 s_save_tmp, s_save_tmp, 6 +- s_mul_i32 s_save_tmp, s_save_tmp, WAVE_SPACE +- s_add_i32 s_save_spi_init_lo, s_save_tmp, WG_BASE_ADDR_LO +- s_mov_b32 s_save_spi_init_hi, WG_BASE_ADDR_HI +- s_and_b32 s_save_spi_init_hi, s_save_spi_init_hi, CTX_SAVE_CONTROL +- else +- end +- if ((EMU_RUN_HACK) && (EMU_RUN_HACK_SAVE_SINGLE_WAVE)) +- s_add_i32 s_save_spi_init_lo, s_save_tmp, WG_BASE_ADDR_LO +- s_mov_b32 s_save_spi_init_hi, WG_BASE_ADDR_HI +- s_and_b32 s_save_spi_init_hi, s_save_spi_init_hi, CTX_SAVE_CONTROL +- else +- end + + // Save trap temporaries 4-11, 13 initialized by SPI debug dispatch logic + // ttmp SR memory offset : size(VGPR)+size(SGPR)+0x40 +@@ -484,20 +365,10 @@ end + + + s_mov_b32 s_save_buf_rsrc2, 0x4 //NUM_RECORDS in bytes +- if (SWIZZLE_EN) +- s_add_u32 s_save_buf_rsrc2, s_save_buf_rsrc2, 0x0 //FIXME need to use swizzle to enable bounds checking? +- else + s_mov_b32 s_save_buf_rsrc2, 0x1000000 //NUM_RECORDS in bytes +- end + + + write_hwreg_to_mem(s_save_m0, s_save_buf_rsrc0, s_save_mem_offset) //M0 +- +- if ((EMU_RUN_HACK) && (EMU_RUN_HACK_SAVE_FIRST_TIME)) +- s_add_u32 s_save_pc_lo, s_save_pc_lo, 4 //pc[31:0]+4 +- s_addc_u32 s_save_pc_hi, s_save_pc_hi, 0x0 //carry bit over +- end +- + write_hwreg_to_mem(s_save_pc_lo, s_save_buf_rsrc0, s_save_mem_offset) //PC + write_hwreg_to_mem(s_save_pc_hi, s_save_buf_rsrc0, s_save_mem_offset) + write_hwreg_to_mem(s_save_exec_lo, s_save_buf_rsrc0, s_save_mem_offset) //EXEC +@@ -535,17 +406,9 @@ end + s_add_u32 s_save_alloc_size, s_save_alloc_size, 1 + s_lshl_b32 s_save_alloc_size, s_save_alloc_size, 4 //Number of SGPRs = (sgpr_size + 1) * 16 (non-zero value) + +- if (SGPR_SAVE_USE_SQC) + s_lshl_b32 s_save_buf_rsrc2, s_save_alloc_size, 2 //NUM_RECORDS in bytes +- else +- s_lshl_b32 s_save_buf_rsrc2, s_save_alloc_size, 8 //NUM_RECORDS in bytes (64 threads) +- end + +- if (SWIZZLE_EN) +- s_add_u32 s_save_buf_rsrc2, s_save_buf_rsrc2, 0x0 //FIXME need to use swizzle to enable bounds checking? +- else + s_mov_b32 s_save_buf_rsrc2, 0x1000000 //NUM_RECORDS in bytes +- end + + + // backup s_save_buf_rsrc0,1 to s_save_pc_lo/hi, since write_16sgpr_to_mem function will change the rsrc0 +@@ -588,25 +451,11 @@ end + s_mov_b32 xnack_mask_lo, 0x0 + s_mov_b32 xnack_mask_hi, 0x0 + +- if (SWIZZLE_EN) +- s_add_u32 s_save_buf_rsrc2, s_save_buf_rsrc2, 0x0 //FIXME need to use swizzle to enable bounds checking? +- else + s_mov_b32 s_save_buf_rsrc2, 0x1000000 //NUM_RECORDS in bytes +- end + + + // VGPR Allocated in 4-GPR granularity + +-if G8SR_VGPR_SR_IN_DWX4 +- // the const stride for DWx4 is 4*4 bytes +- s_and_b32 s_save_buf_rsrc1, s_save_buf_rsrc1, 0x0000FFFF // reset const stride to 0 +- s_or_b32 s_save_buf_rsrc1, s_save_buf_rsrc1, G8SR_SAVE_BUF_RSRC_WORD1_STRIDE_DWx4 // const stride to 4*4 bytes +- +- buffer_store_dwordx4 v0, v0, s_save_buf_rsrc0, s_save_mem_offset slc:1 glc:1 +- +- s_and_b32 s_save_buf_rsrc1, s_save_buf_rsrc1, 0x0000FFFF // reset const stride to 0 +- s_or_b32 s_save_buf_rsrc1, s_save_buf_rsrc1, S_SAVE_BUF_RSRC_WORD1_STRIDE // reset const stride to 4 bytes +-else + if SAVE_AFTER_XNACK_ERROR + check_if_tcp_store_ok() + s_cbranch_scc1 L_SAVE_FIRST_VGPRS_WITH_TCP +@@ -621,7 +470,6 @@ end + buffer_store_dword v1, v0, s_save_buf_rsrc0, s_save_mem_offset slc:1 glc:1 offset:256 + buffer_store_dword v2, v0, s_save_buf_rsrc0, s_save_mem_offset slc:1 glc:1 offset:256*2 + buffer_store_dword v3, v0, s_save_buf_rsrc0, s_save_mem_offset slc:1 glc:1 offset:256*3 +-end + + + +@@ -656,64 +504,11 @@ end + s_add_u32 s_save_mem_offset, s_save_mem_offset, get_hwreg_size_bytes() + + +- if (SWIZZLE_EN) +- s_add_u32 s_save_buf_rsrc2, s_save_buf_rsrc2, 0x0 //FIXME need to use swizzle to enable bounds checking? +- else + s_mov_b32 s_save_buf_rsrc2, 0x1000000 //NUM_RECORDS in bytes +- end + + s_mov_b32 m0, 0x0 //lds_offset initial value = 0 + + +-var LDS_DMA_ENABLE = 0 +-var UNROLL = 0 +-if UNROLL==0 && LDS_DMA_ENABLE==1 +- s_mov_b32 s3, 256*2 +- s_nop 0 +- s_nop 0 +- s_nop 0 +- L_SAVE_LDS_LOOP: +- //TODO: looks the 2 buffer_store/load clause for s/r will hurt performance.??? +- if (SAVE_LDS) //SPI always alloc LDS space in 128DW granularity +- buffer_store_lds_dword s_save_buf_rsrc0, s_save_mem_offset lds:1 // first 64DW +- buffer_store_lds_dword s_save_buf_rsrc0, s_save_mem_offset lds:1 offset:256 // second 64DW +- end +- +- s_add_u32 m0, m0, s3 //every buffer_store_lds does 256 bytes +- s_add_u32 s_save_mem_offset, s_save_mem_offset, s3 //mem offset increased by 256 bytes +- s_cmp_lt_u32 m0, s_save_alloc_size //scc=(m0 < s_save_alloc_size) ? 1 : 0 +- s_cbranch_scc1 L_SAVE_LDS_LOOP //LDS save is complete? +- +-elsif LDS_DMA_ENABLE==1 && UNROLL==1 // UNROOL , has ichace miss +- // store from higest LDS address to lowest +- s_mov_b32 s3, 256*2 +- s_sub_u32 m0, s_save_alloc_size, s3 +- s_add_u32 s_save_mem_offset, s_save_mem_offset, m0 +- s_lshr_b32 s_save_alloc_size, s_save_alloc_size, 9 // how many 128 trunks... +- s_sub_u32 s_save_alloc_size, 128, s_save_alloc_size // store from higheset addr to lowest +- s_mul_i32 s_save_alloc_size, s_save_alloc_size, 6*4 // PC offset increment, each LDS save block cost 6*4 Bytes instruction +- s_add_u32 s_save_alloc_size, s_save_alloc_size, 3*4 //2is the below 2 inst...//s_addc and s_setpc +- s_nop 0 +- s_nop 0 +- s_nop 0 //pad 3 dw to let LDS_DMA align with 64Bytes +- s_getpc_b64 s[0:1] // reuse s[0:1], since s[0:1] already saved +- s_add_u32 s0, s0,s_save_alloc_size +- s_addc_u32 s1, s1, 0 +- s_setpc_b64 s[0:1] +- +- +- for var i =0; i< 128; i++ +- // be careful to make here a 64Byte aligned address, which could improve performance... +- buffer_store_lds_dword s_save_buf_rsrc0, s_save_mem_offset lds:1 offset:0 // first 64DW +- buffer_store_lds_dword s_save_buf_rsrc0, s_save_mem_offset lds:1 offset:256 // second 64DW +- +- if i!=127 +- s_sub_u32 m0, m0, s3 // use a sgpr to shrink 2DW-inst to 1DW inst to improve performance , i.e. pack more LDS_DMA inst to one Cacheline +- s_sub_u32 s_save_mem_offset, s_save_mem_offset, s3 +- end +- end +- +-else // BUFFER_STORE + v_mbcnt_lo_u32_b32 v2, 0xffffffff, 0x0 + v_mbcnt_hi_u32_b32 v3, 0xffffffff, v2 // tid + +@@ -757,8 +552,6 @@ L_SAVE_LDS_LOOP_VECTOR: + // restore rsrc3 + s_mov_b32 s_save_buf_rsrc3, s0 + +-end +- + L_SAVE_LDS_DONE: + + +@@ -776,44 +569,9 @@ L_SAVE_LDS_DONE: + s_add_u32 s_save_alloc_size, s_save_alloc_size, 1 + s_lshl_b32 s_save_alloc_size, s_save_alloc_size, 2 //Number of VGPRs = (vgpr_size + 1) * 4 (non-zero value) //FIXME for GFX, zero is possible + s_lshl_b32 s_save_buf_rsrc2, s_save_alloc_size, 8 //NUM_RECORDS in bytes (64 threads*4) +- if (SWIZZLE_EN) +- s_add_u32 s_save_buf_rsrc2, s_save_buf_rsrc2, 0x0 //FIXME need to use swizzle to enable bounds checking? +- else + s_mov_b32 s_save_buf_rsrc2, 0x1000000 //NUM_RECORDS in bytes +- end + + +- // VGPR Allocated in 4-GPR granularity +- +-if G8SR_VGPR_SR_IN_DWX4 +- // the const stride for DWx4 is 4*4 bytes +- s_and_b32 s_save_buf_rsrc1, s_save_buf_rsrc1, 0x0000FFFF // reset const stride to 0 +- s_or_b32 s_save_buf_rsrc1, s_save_buf_rsrc1, G8SR_SAVE_BUF_RSRC_WORD1_STRIDE_DWx4 // const stride to 4*4 bytes +- +- s_mov_b32 m0, 4 // skip first 4 VGPRs +- s_cmp_lt_u32 m0, s_save_alloc_size +- s_cbranch_scc0 L_SAVE_VGPR_LOOP_END // no more vgprs +- +- s_set_gpr_idx_on m0, 0x1 // This will change M0 +- s_add_u32 s_save_alloc_size, s_save_alloc_size, 0x1000 // because above inst change m0 +-L_SAVE_VGPR_LOOP: +- v_mov_b32 v0, v0 // v0 = v[0+m0] +- v_mov_b32 v1, v1 +- v_mov_b32 v2, v2 +- v_mov_b32 v3, v3 +- +- +- buffer_store_dwordx4 v0, v0, s_save_buf_rsrc0, s_save_mem_offset slc:1 glc:1 +- s_add_u32 m0, m0, 4 +- s_add_u32 s_save_mem_offset, s_save_mem_offset, 256*4 +- s_cmp_lt_u32 m0, s_save_alloc_size +- s_cbranch_scc1 L_SAVE_VGPR_LOOP //VGPR save is complete? +- s_set_gpr_idx_off +-L_SAVE_VGPR_LOOP_END: +- +- s_and_b32 s_save_buf_rsrc1, s_save_buf_rsrc1, 0x0000FFFF // reset const stride to 0 +- s_or_b32 s_save_buf_rsrc1, s_save_buf_rsrc1, S_SAVE_BUF_RSRC_WORD1_STRIDE // reset const stride to 4 bytes +-else + // VGPR store using dw burst + s_mov_b32 m0, 0x4 //VGPR initial index value =0 + s_cmp_lt_u32 m0, s_save_alloc_size +@@ -844,21 +602,16 @@ end + v_mov_b32 v2, v2 //v0 = v[0+m0] + v_mov_b32 v3, v3 //v0 = v[0+m0] + +- if(USE_MTBUF_INSTEAD_OF_MUBUF) +- tbuffer_store_format_x v0, v0, s_save_buf_rsrc0, s_save_mem_offset format:BUF_NUM_FORMAT_FLOAT format: BUF_DATA_FORMAT_32 slc:1 glc:1 +- else + buffer_store_dword v0, v0, s_save_buf_rsrc0, s_save_mem_offset slc:1 glc:1 + buffer_store_dword v1, v0, s_save_buf_rsrc0, s_save_mem_offset slc:1 glc:1 offset:256 + buffer_store_dword v2, v0, s_save_buf_rsrc0, s_save_mem_offset slc:1 glc:1 offset:256*2 + buffer_store_dword v3, v0, s_save_buf_rsrc0, s_save_mem_offset slc:1 glc:1 offset:256*3 +- end + + s_add_u32 m0, m0, 4 //next vgpr index + s_add_u32 s_save_mem_offset, s_save_mem_offset, 256*4 //every buffer_store_dword does 256 bytes + s_cmp_lt_u32 m0, s_save_alloc_size //scc = (m0 < s_save_alloc_size) ? 1 : 0 + s_cbranch_scc1 L_SAVE_VGPR_LOOP //VGPR save is complete? + s_set_gpr_idx_off +-end + + L_SAVE_VGPR_END: + +@@ -905,29 +658,6 @@ L_SAVE_ACCVGPR_LOOP: + L_SAVE_ACCVGPR_END: + end + +- /* S_PGM_END_SAVED */ //FIXME graphics ONLY +- if ((EMU_RUN_HACK) && (!EMU_RUN_HACK_SAVE_NORMAL_EXIT)) +- s_and_b32 s_save_pc_hi, s_save_pc_hi, 0x0000ffff //pc[47:32] +- s_add_u32 s_save_pc_lo, s_save_pc_lo, 4 //pc[31:0]+4 +- s_addc_u32 s_save_pc_hi, s_save_pc_hi, 0x0 //carry bit over +- s_rfe_b64 s_save_pc_lo //Return to the main shader program +- else +- end +- +-// Save Done timestamp +-if G8SR_DEBUG_TIMESTAMP +- s_memrealtime s_g8sr_ts_save_d +- // SGPR SR memory offset : size(VGPR) +- get_vgpr_size_bytes(s_save_mem_offset) +- s_add_u32 s_save_mem_offset, s_save_mem_offset, G8SR_DEBUG_TS_SAVE_D_OFFSET +- s_waitcnt lgkmcnt(0) //FIXME, will cause xnack?? +- // Need reset rsrc2?? +- s_mov_b32 m0, s_save_mem_offset +- s_mov_b32 s_save_buf_rsrc2, 0x1000000 //NUM_RECORDS in bytes +- s_buffer_store_dwordx2 s_g8sr_ts_save_d, s_save_buf_rsrc0, m0 glc:1 +-end +- +- + s_branch L_END_PGM + + +@@ -938,27 +668,6 @@ end + + L_RESTORE: + /* Setup Resource Contants */ +- if ((EMU_RUN_HACK) && (!EMU_RUN_HACK_RESTORE_NORMAL)) +- //calculate wd_addr using absolute thread id +- v_readlane_b32 s_restore_tmp, v9, 0 +- s_lshr_b32 s_restore_tmp, s_restore_tmp, 6 +- s_mul_i32 s_restore_tmp, s_restore_tmp, WAVE_SPACE +- s_add_i32 s_restore_spi_init_lo, s_restore_tmp, WG_BASE_ADDR_LO +- s_mov_b32 s_restore_spi_init_hi, WG_BASE_ADDR_HI +- s_and_b32 s_restore_spi_init_hi, s_restore_spi_init_hi, CTX_RESTORE_CONTROL +- else +- end +- +-if G8SR_DEBUG_TIMESTAMP +- s_memrealtime s_g8sr_ts_restore_s +- s_waitcnt lgkmcnt(0) //FIXME, will cause xnack?? +- // tma_lo/hi are sgpr 110, 111, which will not used for 112 SGPR allocated case... +- s_mov_b32 s_restore_pc_lo, s_g8sr_ts_restore_s[0] +- s_mov_b32 s_restore_pc_hi, s_g8sr_ts_restore_s[1] //backup ts to ttmp0/1, sicne exec will be finally restored.. +-end +- +- +- + s_mov_b32 s_restore_buf_rsrc0, s_restore_spi_init_lo //base_addr_lo + s_and_b32 s_restore_buf_rsrc1, s_restore_spi_init_hi, 0x0000FFFF //base_addr_hi + s_or_b32 s_restore_buf_rsrc1, s_restore_buf_rsrc1, S_RESTORE_BUF_RSRC_WORD1_STRIDE +@@ -1000,18 +709,12 @@ end + s_add_u32 s_restore_mem_offset, s_restore_mem_offset, get_hwreg_size_bytes() //FIXME, Check if offset overflow??? + + +- if (SWIZZLE_EN) +- s_add_u32 s_restore_buf_rsrc2, s_restore_buf_rsrc2, 0x0 //FIXME need to use swizzle to enable bounds checking? +- else + s_mov_b32 s_restore_buf_rsrc2, 0x1000000 //NUM_RECORDS in bytes +- end + s_mov_b32 m0, 0x0 //lds_offset initial value = 0 + + L_RESTORE_LDS_LOOP: +- if (SAVE_LDS) + 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 +- end + 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 + s_cmp_lt_u32 m0, s_restore_alloc_size //scc=(m0 < s_restore_alloc_size) ? 1 : 0 +@@ -1035,40 +738,8 @@ if ASIC_TARGET_ARCTURUS + s_mov_b32 s_restore_accvgpr_offset, s_restore_buf_rsrc2 //ACC VGPRs at end of VGPRs + end + +- if (SWIZZLE_EN) +- s_add_u32 s_restore_buf_rsrc2, s_restore_buf_rsrc2, 0x0 //FIXME need to use swizzle to enable bounds checking? +- else + s_mov_b32 s_restore_buf_rsrc2, 0x1000000 //NUM_RECORDS in bytes +- end + +-if G8SR_VGPR_SR_IN_DWX4 +- get_vgpr_size_bytes(s_restore_mem_offset) +- s_sub_u32 s_restore_mem_offset, s_restore_mem_offset, 256*4 +- +- // the const stride for DWx4 is 4*4 bytes +- s_and_b32 s_restore_buf_rsrc1, s_restore_buf_rsrc1, 0x0000FFFF // reset const stride to 0 +- s_or_b32 s_restore_buf_rsrc1, s_restore_buf_rsrc1, G8SR_RESTORE_BUF_RSRC_WORD1_STRIDE_DWx4 // const stride to 4*4 bytes +- +- s_mov_b32 m0, s_restore_alloc_size +- s_set_gpr_idx_on m0, 0x8 // Note.. This will change m0 +- +-L_RESTORE_VGPR_LOOP: +- buffer_load_dwordx4 v0, v0, s_restore_buf_rsrc0, s_restore_mem_offset slc:1 glc:1 +- s_waitcnt vmcnt(0) +- s_sub_u32 m0, m0, 4 +- v_mov_b32 v0, v0 // v[0+m0] = v0 +- v_mov_b32 v1, v1 +- v_mov_b32 v2, v2 +- v_mov_b32 v3, v3 +- s_sub_u32 s_restore_mem_offset, s_restore_mem_offset, 256*4 +- s_cmp_eq_u32 m0, 0x8000 +- s_cbranch_scc0 L_RESTORE_VGPR_LOOP +- s_set_gpr_idx_off +- +- s_and_b32 s_restore_buf_rsrc1, s_restore_buf_rsrc1, 0x0000FFFF // reset const stride to 0 +- s_or_b32 s_restore_buf_rsrc1, s_restore_buf_rsrc1, S_RESTORE_BUF_RSRC_WORD1_STRIDE // const stride to 4*4 bytes +- +-else + // VGPR load using dw burst + s_mov_b32 s_restore_mem_offset_save, s_restore_mem_offset // restore start with v1, v0 will be the last + s_add_u32 s_restore_mem_offset, s_restore_mem_offset, 256*4 +@@ -1081,9 +752,6 @@ end + s_add_u32 s_restore_alloc_size, s_restore_alloc_size, 0x8000 //add 0x8000 since we compare m0 against it later + + L_RESTORE_VGPR_LOOP: +- if(USE_MTBUF_INSTEAD_OF_MUBUF) +- tbuffer_load_format_x v0, v0, s_restore_buf_rsrc0, s_restore_mem_offset format:BUF_NUM_FORMAT_FLOAT format: BUF_DATA_FORMAT_32 slc:1 glc:1 +- else + + if ASIC_TARGET_ARCTURUS + buffer_load_dword v0, v0, s_restore_buf_rsrc0, s_restore_accvgpr_offset slc:1 glc:1 +@@ -1102,7 +770,6 @@ end + buffer_load_dword v1, v0, s_restore_buf_rsrc0, s_restore_mem_offset slc:1 glc:1 offset:256 + buffer_load_dword v2, v0, s_restore_buf_rsrc0, s_restore_mem_offset slc:1 glc:1 offset:256*2 + buffer_load_dword v3, v0, s_restore_buf_rsrc0, s_restore_mem_offset slc:1 glc:1 offset:256*3 +- end + s_waitcnt vmcnt(0) //ensure data ready + v_mov_b32 v0, v0 //v[0+m0] = v0 + v_mov_b32 v1, v1 +@@ -1126,16 +793,10 @@ if ASIC_TARGET_ARCTURUS + end + end + +- if(USE_MTBUF_INSTEAD_OF_MUBUF) +- tbuffer_load_format_x v0, v0, s_restore_buf_rsrc0, s_restore_mem_offset_save format:BUF_NUM_FORMAT_FLOAT format: BUF_DATA_FORMAT_32 slc:1 glc:1 +- else + buffer_load_dword v0, v0, s_restore_buf_rsrc0, s_restore_mem_offset_save slc:1 glc:1 + buffer_load_dword v1, v0, s_restore_buf_rsrc0, s_restore_mem_offset_save slc:1 glc:1 offset:256 + buffer_load_dword v2, v0, s_restore_buf_rsrc0, s_restore_mem_offset_save slc:1 glc:1 offset:256*2 + buffer_load_dword v3, v0, s_restore_buf_rsrc0, s_restore_mem_offset_save slc:1 glc:1 offset:256*3 +- end +- +-end + + /* restore SGPRs */ + ////////////////////////////// +@@ -1151,16 +812,8 @@ end + s_add_u32 s_restore_alloc_size, s_restore_alloc_size, 1 + s_lshl_b32 s_restore_alloc_size, s_restore_alloc_size, 4 //Number of SGPRs = (sgpr_size + 1) * 16 (non-zero value) + +- if (SGPR_SAVE_USE_SQC) + s_lshl_b32 s_restore_buf_rsrc2, s_restore_alloc_size, 2 //NUM_RECORDS in bytes +- else +- s_lshl_b32 s_restore_buf_rsrc2, s_restore_alloc_size, 8 //NUM_RECORDS in bytes (64 threads) +- end +- if (SWIZZLE_EN) +- s_add_u32 s_restore_buf_rsrc2, s_restore_buf_rsrc2, 0x0 //FIXME need to use swizzle to enable bounds checking? +- else + s_mov_b32 s_restore_buf_rsrc2, 0x1000000 //NUM_RECORDS in bytes +- end + + s_mov_b32 m0, s_restore_alloc_size + +@@ -1188,11 +841,6 @@ end + L_RESTORE_HWREG: + + +-if G8SR_DEBUG_TIMESTAMP +- s_mov_b32 s_g8sr_ts_restore_s[0], s_restore_pc_lo +- s_mov_b32 s_g8sr_ts_restore_s[1], s_restore_pc_hi +-end +- + // HWREG SR memory offset : size(VGPR)+size(SGPR) + get_vgpr_size_bytes(s_restore_mem_offset) + get_sgpr_size_bytes(s_restore_tmp) +@@ -1200,11 +848,7 @@ end + + + s_mov_b32 s_restore_buf_rsrc2, 0x4 //NUM_RECORDS in bytes +- if (SWIZZLE_EN) +- s_add_u32 s_restore_buf_rsrc2, s_restore_buf_rsrc2, 0x0 //FIXME need to use swizzle to enable bounds checking? +- else + s_mov_b32 s_restore_buf_rsrc2, 0x1000000 //NUM_RECORDS in bytes +- end + + read_hwreg_from_mem(s_restore_m0, s_restore_buf_rsrc0, s_restore_mem_offset) //M0 + read_hwreg_from_mem(s_restore_pc_lo, s_restore_buf_rsrc0, s_restore_mem_offset) //PC +@@ -1219,16 +863,6 @@ end + + s_waitcnt lgkmcnt(0) //from now on, it is safe to restore STATUS and IB_STS + +- //for normal save & restore, the saved PC points to the next inst to execute, no adjustment needs to be made, otherwise: +- if ((EMU_RUN_HACK) && (!EMU_RUN_HACK_RESTORE_NORMAL)) +- s_add_u32 s_restore_pc_lo, s_restore_pc_lo, 8 //pc[31:0]+8 //two back-to-back s_trap are used (first for save and second for restore) +- s_addc_u32 s_restore_pc_hi, s_restore_pc_hi, 0x0 //carry bit over +- end +- if ((EMU_RUN_HACK) && (EMU_RUN_HACK_RESTORE_NORMAL)) +- s_add_u32 s_restore_pc_lo, s_restore_pc_lo, 4 //pc[31:0]+4 // save is hack through s_trap but restore is normal +- s_addc_u32 s_restore_pc_hi, s_restore_pc_hi, 0x0 //carry bit over +- end +- + s_mov_b32 m0, s_restore_m0 + s_mov_b32 exec_lo, s_restore_exec_lo + s_mov_b32 exec_hi, s_restore_exec_hi +@@ -1275,11 +909,6 @@ end + + s_barrier //barrier to ensure the readiness of LDS before access attempts from any other wave in the same TG //FIXME not performance-optimal at this time + +-if G8SR_DEBUG_TIMESTAMP +- s_memrealtime s_g8sr_ts_restore_d +- s_waitcnt lgkmcnt(0) +-end +- + // s_rfe_b64 s_restore_pc_lo //Return to the main shader program and resume execution + s_rfe_restore_b64 s_restore_pc_lo, s_restore_m0 // s_restore_m0[0] is used to set STATUS.inst_atc + +-- +2.17.1 + |