diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3398-drm-amdkfd-Add-trap-handler-for-CWSR.patch')
-rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3398-drm-amdkfd-Add-trap-handler-for-CWSR.patch | 1414 |
1 files changed, 1414 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3398-drm-amdkfd-Add-trap-handler-for-CWSR.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3398-drm-amdkfd-Add-trap-handler-for-CWSR.patch new file mode 100644 index 00000000..f90d3843 --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3398-drm-amdkfd-Add-trap-handler-for-CWSR.patch @@ -0,0 +1,1414 @@ +From 907087b5af5bfc1cbf0089a877ab06854ef0f56b Mon Sep 17 00:00:00 2001 +From: Felix Kuehling <Felix.Kuehling@amd.com> +Date: Tue, 14 Nov 2017 16:41:18 -0500 +Subject: [PATCH 3398/4131] drm/amdkfd: Add trap handler for CWSR + +The trap handler is like an interrupt handler running on the GPU +compute unit. It is needed for supporting CWSR (compute wave +save/restore). + +This file defines an array with the pre-compiled GFXv8 shader ISA. +The assembly code is included for reference in #if 0 ... #endif. + +Signed-off-by: Shaoyun.liu <shaoyun.liu@amd.com> +Signed-off-by: Jay Cornwall <Jay.Cornwall@amd.com> +Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com> +Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com> +--- + .../gpu/drm/amd/amdkfd/cwsr_trap_handler_gfx8.asm | 1384 ++++++++++++++++++++ + 1 file changed, 1384 insertions(+) + create mode 100644 drivers/gpu/drm/amd/amdkfd/cwsr_trap_handler_gfx8.asm + +diff --git a/drivers/gpu/drm/amd/amdkfd/cwsr_trap_handler_gfx8.asm b/drivers/gpu/drm/amd/amdkfd/cwsr_trap_handler_gfx8.asm +new file mode 100644 +index 0000000..997a383d +--- /dev/null ++++ b/drivers/gpu/drm/amd/amdkfd/cwsr_trap_handler_gfx8.asm +@@ -0,0 +1,1384 @@ ++/* ++ * Copyright 2015-2017 Advanced Micro Devices, Inc. ++ * ++ * Permission is hereby granted, free of charge, to any person obtaining a ++ * copy of this software and associated documentation files (the "Software"), ++ * to deal in the Software without restriction, including without limitation ++ * the rights to use, copy, modify, merge, publish, distribute, sublicense, ++ * and/or sell copies of the Software, and to permit persons to whom the ++ * Software is furnished to do so, subject to the following conditions: ++ * ++ * The above copyright notice and this permission notice shall be included in ++ * all copies or substantial portions of the Software. ++ * ++ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR ++ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, ++ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL ++ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR ++ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ++ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR ++ * OTHER DEALINGS IN THE SOFTWARE. ++ */ ++ ++#if 0 ++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 */ ++/**************************************************************************/ ++var SQ_WAVE_STATUS_INST_ATC_SHIFT = 23 ++var SQ_WAVE_STATUS_INST_ATC_MASK = 0x00800000 ++var SQ_WAVE_STATUS_SPI_PRIO_MASK = 0x00000006 ++ ++var SQ_WAVE_LDS_ALLOC_LDS_SIZE_SHIFT = 12 ++var SQ_WAVE_LDS_ALLOC_LDS_SIZE_SIZE = 9 ++var SQ_WAVE_GPR_ALLOC_VGPR_SIZE_SHIFT = 8 ++var SQ_WAVE_GPR_ALLOC_VGPR_SIZE_SIZE = 6 ++var SQ_WAVE_GPR_ALLOC_SGPR_SIZE_SHIFT = 24 ++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_TRAPSTS_SAVECTX_MASK = 0x400 ++var SQ_WAVE_TRAPSTS_EXCE_MASK = 0x1FF // Exception mask ++var SQ_WAVE_TRAPSTS_SAVECTX_SHIFT = 10 ++var SQ_WAVE_TRAPSTS_MEM_VIOL_MASK = 0x100 ++var SQ_WAVE_TRAPSTS_MEM_VIOL_SHIFT = 8 ++var SQ_WAVE_TRAPSTS_PRE_SAVECTX_MASK = 0x3FF ++var SQ_WAVE_TRAPSTS_PRE_SAVECTX_SHIFT = 0x0 ++var SQ_WAVE_TRAPSTS_PRE_SAVECTX_SIZE = 10 ++var SQ_WAVE_TRAPSTS_POST_SAVECTX_MASK = 0xFFFFF800 ++var SQ_WAVE_TRAPSTS_POST_SAVECTX_SHIFT = 11 ++var SQ_WAVE_TRAPSTS_POST_SAVECTX_SIZE = 21 ++ ++var SQ_WAVE_IB_STS_RCNT_SHIFT = 16 //FIXME ++var SQ_WAVE_IB_STS_RCNT_SIZE = 4 //FIXME ++var SQ_WAVE_IB_STS_FIRST_REPLAY_SHIFT = 15 //FIXME ++var SQ_WAVE_IB_STS_FIRST_REPLAY_SIZE = 1 //FIXME ++var SQ_WAVE_IB_STS_RCNT_FIRST_REPLAY_MASK_NEG = 0x00007FFF //FIXME ++ ++var SQ_BUF_RSRC_WORD1_ATC_SHIFT = 24 ++var SQ_BUF_RSRC_WORD3_MTYPE_SHIFT = 27 ++ ++ ++/* Save */ ++var S_SAVE_BUF_RSRC_WORD1_STRIDE = 0x00040000 //stride is 4 bytes ++var S_SAVE_BUF_RSRC_WORD3_MISC = 0x00807FAC //SQ_SEL_X/Y/Z/W, BUF_NUM_FORMAT_FLOAT, (0 for MUBUF stride[17:14] when ADD_TID_ENABLE and BUF_DATA_FORMAT_32 for MTBUF), ADD_TID_ENABLE ++ ++var S_SAVE_SPI_INIT_ATC_MASK = 0x08000000 //bit[27]: ATC bit ++var S_SAVE_SPI_INIT_ATC_SHIFT = 27 ++var S_SAVE_SPI_INIT_MTYPE_MASK = 0x70000000 //bit[30:28]: Mtype ++var S_SAVE_SPI_INIT_MTYPE_SHIFT = 28 ++var S_SAVE_SPI_INIT_FIRST_WAVE_MASK = 0x04000000 //bit[26]: FirstWaveInTG ++var S_SAVE_SPI_INIT_FIRST_WAVE_SHIFT = 26 ++ ++var S_SAVE_PC_HI_RCNT_SHIFT = 28 //FIXME check with Brian to ensure all fields other than PC[47:0] can be used ++var S_SAVE_PC_HI_RCNT_MASK = 0xF0000000 //FIXME ++var S_SAVE_PC_HI_FIRST_REPLAY_SHIFT = 27 //FIXME ++var S_SAVE_PC_HI_FIRST_REPLAY_MASK = 0x08000000 //FIXME ++ ++var s_save_spi_init_lo = exec_lo ++var s_save_spi_init_hi = exec_hi ++ ++ //tba_lo and tba_hi need to be saved/restored ++var s_save_pc_lo = ttmp0 //{TTMP1, TTMP0} = {3??h0,pc_rewind[3:0], HT[0],trapID[7:0], PC[47:0]} ++var s_save_pc_hi = ttmp1 ++var s_save_exec_lo = ttmp2 ++var s_save_exec_hi = ttmp3 ++var s_save_status = ttmp4 ++var s_save_trapsts = ttmp5 //not really used until the end of the SAVE routine ++var s_save_xnack_mask_lo = ttmp6 ++var s_save_xnack_mask_hi = ttmp7 ++var s_save_buf_rsrc0 = ttmp8 ++var s_save_buf_rsrc1 = ttmp9 ++var s_save_buf_rsrc2 = ttmp10 ++var s_save_buf_rsrc3 = ttmp11 ++ ++var s_save_mem_offset = tma_lo ++var s_save_alloc_size = s_save_trapsts //conflict ++var s_save_tmp = s_save_buf_rsrc2 //shared with s_save_buf_rsrc2 (conflict: should not use mem access with s_save_tmp at the same time) ++var s_save_m0 = tma_hi ++ ++/* Restore */ ++var S_RESTORE_BUF_RSRC_WORD1_STRIDE = S_SAVE_BUF_RSRC_WORD1_STRIDE ++var S_RESTORE_BUF_RSRC_WORD3_MISC = S_SAVE_BUF_RSRC_WORD3_MISC ++ ++var S_RESTORE_SPI_INIT_ATC_MASK = 0x08000000 //bit[27]: ATC bit ++var S_RESTORE_SPI_INIT_ATC_SHIFT = 27 ++var S_RESTORE_SPI_INIT_MTYPE_MASK = 0x70000000 //bit[30:28]: Mtype ++var S_RESTORE_SPI_INIT_MTYPE_SHIFT = 28 ++var S_RESTORE_SPI_INIT_FIRST_WAVE_MASK = 0x04000000 //bit[26]: FirstWaveInTG ++var S_RESTORE_SPI_INIT_FIRST_WAVE_SHIFT = 26 ++ ++var S_RESTORE_PC_HI_RCNT_SHIFT = S_SAVE_PC_HI_RCNT_SHIFT ++var S_RESTORE_PC_HI_RCNT_MASK = S_SAVE_PC_HI_RCNT_MASK ++var S_RESTORE_PC_HI_FIRST_REPLAY_SHIFT = S_SAVE_PC_HI_FIRST_REPLAY_SHIFT ++var S_RESTORE_PC_HI_FIRST_REPLAY_MASK = S_SAVE_PC_HI_FIRST_REPLAY_MASK ++ ++var s_restore_spi_init_lo = exec_lo ++var s_restore_spi_init_hi = exec_hi ++ ++var s_restore_mem_offset = ttmp2 ++var s_restore_alloc_size = ttmp3 ++var s_restore_tmp = ttmp6 //tba_lo/hi need to be restored ++var s_restore_mem_offset_save = s_restore_tmp //no conflict ++ ++var s_restore_m0 = s_restore_alloc_size //no conflict ++ ++var s_restore_mode = ttmp7 ++ ++var s_restore_pc_lo = ttmp0 ++var s_restore_pc_hi = ttmp1 ++var s_restore_exec_lo = tma_lo //no conflict ++var s_restore_exec_hi = tma_hi //no conflict ++var s_restore_status = ttmp4 ++var s_restore_trapsts = ttmp5 ++var s_restore_xnack_mask_lo = xnack_mask_lo ++var s_restore_xnack_mask_hi = xnack_mask_hi ++var s_restore_buf_rsrc0 = ttmp8 ++var s_restore_buf_rsrc1 = ttmp9 ++var s_restore_buf_rsrc2 = ttmp10 ++var s_restore_buf_rsrc3 = ttmp11 ++ ++/**************************************************************************/ ++/* trap handler entry points */ ++/**************************************************************************/ ++/* Shader Main*/ ++ ++shader main ++ asic(VI) ++ 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 ++ ++L_SKIP_RESTORE: ++ ++ s_getreg_b32 s_save_status, hwreg(HW_REG_STATUS) //save STATUS since we will change SCC ++ s_andn2_b32 s_save_status, s_save_status, SQ_WAVE_STATUS_SPI_PRIO_MASK //check whether this is for save ++ s_getreg_b32 s_save_trapsts, hwreg(HW_REG_TRAPSTS) ++ s_and_b32 s_save_trapsts, s_save_trapsts, SQ_WAVE_TRAPSTS_SAVECTX_MASK //check whether this is for save ++ 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) ++ s_or_b32 ttmp7, ttmp8, ttmp9 ++ s_cbranch_scc0 L_NO_NEXT_TRAP //next level trap handler not been set ++ s_setreg_b32 hwreg(HW_REG_STATUS), s_save_status //restore HW status(SCC) ++ s_setpc_b64 [ttmp8,ttmp9] //jump to next level trap handler ++ ++L_NO_NEXT_TRAP: ++ s_getreg_b32 s_save_trapsts, hwreg(HW_REG_TRAPSTS) ++ s_and_b32 s_save_trapsts, s_save_trapsts, SQ_WAVE_TRAPSTS_EXCE_MASK // Check whether it is an exception ++ s_cbranch_scc1 L_EXCP_CASE // Exception, jump back to the shader program directly. ++ s_add_u32 ttmp0, ttmp0, 4 // S_TRAP case, add 4 to ttmp0 ++ s_addc_u32 ttmp1, ttmp1, 0 ++L_EXCP_CASE: ++ s_and_b32 ttmp1, ttmp1, 0xFFFF ++ s_setreg_b32 hwreg(HW_REG_STATUS), s_save_status //restore HW status(SCC) ++ s_rfe_b64 [ttmp0, ttmp1] ++end ++ // ********* End handling of non-CWSR traps ******************* ++ ++/**************************************************************************/ ++/* save routine */ ++/**************************************************************************/ ++ ++L_SAVE: ++ ++if G8SR_DEBUG_TIMESTAMP ++ s_memrealtime s_g8sr_ts_save_s ++ s_waitcnt lgkmcnt(0) //FIXME, will cause xnack?? ++end ++ ++ //check whether there is mem_viol ++ s_getreg_b32 s_save_trapsts, hwreg(HW_REG_TRAPSTS) ++ s_and_b32 s_save_trapsts, s_save_trapsts, SQ_WAVE_TRAPSTS_MEM_VIOL_MASK ++ s_cbranch_scc0 L_NO_PC_REWIND ++ ++ //if so, need rewind PC assuming GDS operation gets NACKed ++ s_mov_b32 s_save_tmp, 0 //clear mem_viol bit ++ s_setreg_b32 hwreg(HW_REG_TRAPSTS, SQ_WAVE_TRAPSTS_MEM_VIOL_SHIFT, 1), s_save_tmp //clear mem_viol bit ++ s_and_b32 s_save_pc_hi, s_save_pc_hi, 0x0000ffff //pc[47:32] ++ s_sub_u32 s_save_pc_lo, s_save_pc_lo, 8 //pc[31:0]-8 ++ s_subb_u32 s_save_pc_hi, s_save_pc_hi, 0x0 // -scc ++ ++L_NO_PC_REWIND: ++ 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 ++ ++ s_mov_b32 s_save_xnack_mask_lo, xnack_mask_lo //save XNACK_MASK ++ s_mov_b32 s_save_xnack_mask_hi, xnack_mask_hi //save XNACK must before any memory operation ++ s_getreg_b32 s_save_tmp, hwreg(HW_REG_IB_STS, SQ_WAVE_IB_STS_RCNT_SHIFT, SQ_WAVE_IB_STS_RCNT_SIZE) //save RCNT ++ s_lshl_b32 s_save_tmp, s_save_tmp, S_SAVE_PC_HI_RCNT_SHIFT ++ s_or_b32 s_save_pc_hi, s_save_pc_hi, s_save_tmp ++ s_getreg_b32 s_save_tmp, hwreg(HW_REG_IB_STS, SQ_WAVE_IB_STS_FIRST_REPLAY_SHIFT, SQ_WAVE_IB_STS_FIRST_REPLAY_SIZE) //save FIRST_REPLAY ++ s_lshl_b32 s_save_tmp, s_save_tmp, S_SAVE_PC_HI_FIRST_REPLAY_SHIFT ++ s_or_b32 s_save_pc_hi, s_save_pc_hi, s_save_tmp ++ s_getreg_b32 s_save_tmp, hwreg(HW_REG_IB_STS) //clear RCNT and FIRST_REPLAY in IB_STS ++ s_and_b32 s_save_tmp, s_save_tmp, SQ_WAVE_IB_STS_RCNT_FIRST_REPLAY_MASK_NEG ++ ++ s_setreg_b32 hwreg(HW_REG_IB_STS), s_save_tmp ++ ++ /* inform SPI the readiness and wait for SPI's go signal */ ++ s_mov_b32 s_save_exec_lo, exec_lo //save EXEC and use EXEC for the go signal from SPI ++ 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 ++ ++ 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 ++ s_mov_b32 s_save_buf_rsrc2, 0 //NUM_RECORDS initial value = 0 (in bytes) although not neccessarily inited ++ s_mov_b32 s_save_buf_rsrc3, S_SAVE_BUF_RSRC_WORD3_MISC ++ s_and_b32 s_save_tmp, s_save_spi_init_hi, S_SAVE_SPI_INIT_ATC_MASK ++ s_lshr_b32 s_save_tmp, s_save_tmp, (S_SAVE_SPI_INIT_ATC_SHIFT-SQ_BUF_RSRC_WORD1_ATC_SHIFT) //get ATC bit into position ++ s_or_b32 s_save_buf_rsrc3, s_save_buf_rsrc3, s_save_tmp //or ATC ++ s_and_b32 s_save_tmp, s_save_spi_init_hi, S_SAVE_SPI_INIT_MTYPE_MASK ++ s_lshr_b32 s_save_tmp, s_save_tmp, (S_SAVE_SPI_INIT_MTYPE_SHIFT-SQ_BUF_RSRC_WORD3_MTYPE_SHIFT) //get MTYPE bits into position ++ s_or_b32 s_save_buf_rsrc3, s_save_buf_rsrc3, s_save_tmp //or MTYPE ++ ++ //FIXME right now s_save_m0/s_save_mem_offset use tma_lo/tma_hi (might need to save them before using them?) ++ s_mov_b32 s_save_m0, m0 //save M0 ++ ++ /* global mem offset */ ++ s_mov_b32 s_save_mem_offset, 0x0 //mem offset initial value = 0 ++ ++ ++ ++ ++ /* save HW registers */ ++ ////////////////////////////// ++ ++ L_SAVE_HWREG: ++ // HWREG SR memory offset : size(VGPR)+size(SGPR) ++ get_vgpr_size_bytes(s_save_mem_offset) ++ get_sgpr_size_bytes(s_save_tmp) ++ s_add_u32 s_save_mem_offset, s_save_mem_offset, s_save_tmp ++ ++ ++ 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 ++ write_hwreg_to_mem(s_save_exec_hi, s_save_buf_rsrc0, s_save_mem_offset) ++ write_hwreg_to_mem(s_save_status, s_save_buf_rsrc0, s_save_mem_offset) //STATUS ++ ++ //s_save_trapsts conflicts with s_save_alloc_size ++ s_getreg_b32 s_save_trapsts, hwreg(HW_REG_TRAPSTS) ++ write_hwreg_to_mem(s_save_trapsts, s_save_buf_rsrc0, s_save_mem_offset) //TRAPSTS ++ ++ write_hwreg_to_mem(s_save_xnack_mask_lo, s_save_buf_rsrc0, s_save_mem_offset) //XNACK_MASK_LO ++ write_hwreg_to_mem(s_save_xnack_mask_hi, s_save_buf_rsrc0, s_save_mem_offset) //XNACK_MASK_HI ++ ++ //use s_save_tmp would introduce conflict here between s_save_tmp and s_save_buf_rsrc2 ++ 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) ++ write_hwreg_to_mem(tba_lo, s_save_buf_rsrc0, s_save_mem_offset) //TBA_LO ++ write_hwreg_to_mem(tba_hi, s_save_buf_rsrc0, s_save_mem_offset) //TBA_HI ++ ++ ++ ++ /* the first wave in the threadgroup */ ++ // save fist_wave bits in tba_hi unused bit.26 ++ s_and_b32 s_save_tmp, s_save_spi_init_hi, S_SAVE_SPI_INIT_FIRST_WAVE_MASK // extract fisrt wave bit ++ //s_or_b32 tba_hi, s_save_tmp, tba_hi // save first wave bit to tba_hi.bits[26] ++ s_mov_b32 s_save_exec_hi, 0x0 ++ s_or_b32 s_save_exec_hi, s_save_tmp, s_save_exec_hi // save first wave bit to s_save_exec_hi.bits[26] ++ ++ ++ /* save SGPRs */ ++ // Save SGPR before LDS save, then the s0 to s4 can be used during LDS save... ++ ////////////////////////////// ++ ++ // SGPR SR memory offset : size(VGPR) ++ get_vgpr_size_bytes(s_save_mem_offset) ++ // TODO, change RSRC word to rearrange memory layout for SGPRS ++ ++ s_getreg_b32 s_save_alloc_size, hwreg(HW_REG_GPR_ALLOC,SQ_WAVE_GPR_ALLOC_SGPR_SIZE_SHIFT,SQ_WAVE_GPR_ALLOC_SGPR_SIZE_SIZE) //spgr_size ++ 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 ++ s_mov_b64 s_save_xnack_mask_lo, s_save_buf_rsrc0 ++ s_add_u32 s_save_buf_rsrc0, s_save_buf_rsrc0, s_save_mem_offset ++ s_addc_u32 s_save_buf_rsrc1, s_save_buf_rsrc1, 0 ++ ++ s_mov_b32 m0, 0x0 //SGPR initial index value =0 ++ L_SAVE_SGPR_LOOP: ++ // SGPR is allocated in 16 SGPR granularity ++ s_movrels_b64 s0, s0 //s0 = s[0+m0], s1 = s[1+m0] ++ s_movrels_b64 s2, s2 //s2 = s[2+m0], s3 = s[3+m0] ++ s_movrels_b64 s4, s4 //s4 = s[4+m0], s5 = s[5+m0] ++ s_movrels_b64 s6, s6 //s6 = s[6+m0], s7 = s[7+m0] ++ s_movrels_b64 s8, s8 //s8 = s[8+m0], s9 = s[9+m0] ++ s_movrels_b64 s10, s10 //s10 = s[10+m0], s11 = s[11+m0] ++ s_movrels_b64 s12, s12 //s12 = s[12+m0], s13 = s[13+m0] ++ s_movrels_b64 s14, s14 //s14 = s[14+m0], s15 = s[15+m0] ++ ++ write_16sgpr_to_mem(s0, s_save_buf_rsrc0, s_save_mem_offset) //PV: the best performance should be using s_buffer_store_dwordx4 ++ s_add_u32 m0, m0, 16 //next sgpr index ++ s_cmp_lt_u32 m0, s_save_alloc_size //scc = (m0 < s_save_alloc_size) ? 1 : 0 ++ s_cbranch_scc1 L_SAVE_SGPR_LOOP //SGPR save is complete? ++ // restore s_save_buf_rsrc0,1 ++ //s_mov_b64 s_save_buf_rsrc0, s_save_pc_lo ++ s_mov_b64 s_save_buf_rsrc0, s_save_xnack_mask_lo ++ ++ ++ ++ ++ /* save first 4 VGPR, then LDS save could use */ ++ // each wave will alloc 4 vgprs at least... ++ ///////////////////////////////////////////////////////////////////////////////////// ++ ++ s_mov_b32 s_save_mem_offset, 0 ++ 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 ++ ++ ++ ++ /* save LDS */ ++ ////////////////////////////// ++ ++ L_SAVE_LDS: ++ ++ // Change EXEC to all threads... ++ s_mov_b32 exec_lo, 0xFFFFFFFF //need every thread from now on ++ s_mov_b32 exec_hi, 0xFFFFFFFF ++ ++ s_getreg_b32 s_save_alloc_size, hwreg(HW_REG_LDS_ALLOC,SQ_WAVE_LDS_ALLOC_LDS_SIZE_SHIFT,SQ_WAVE_LDS_ALLOC_LDS_SIZE_SIZE) //lds_size ++ s_and_b32 s_save_alloc_size, s_save_alloc_size, 0xFFFFFFFF //lds_size is zero? ++ s_cbranch_scc0 L_SAVE_LDS_DONE //no lds used? jump to L_SAVE_DONE ++ ++ s_barrier //LDS is used? wait for other waves in the same TG ++ //s_and_b32 s_save_tmp, tba_hi, S_SAVE_SPI_INIT_FIRST_WAVE_MASK //exec is still used here ++ s_and_b32 s_save_tmp, s_save_exec_hi, S_SAVE_SPI_INIT_FIRST_WAVE_MASK //exec is still used here ++ s_cbranch_scc0 L_SAVE_LDS_DONE ++ ++ // first wave do LDS save; ++ ++ s_lshl_b32 s_save_alloc_size, s_save_alloc_size, 6 //LDS size in dwords = lds_size * 64dw ++ s_lshl_b32 s_save_alloc_size, s_save_alloc_size, 2 //LDS size in bytes ++ s_mov_b32 s_save_buf_rsrc2, s_save_alloc_size //NUM_RECORDS in bytes ++ ++ // LDS at offset: size(VGPR)+SIZE(SGPR)+SIZE(HWREG) ++ // ++ get_vgpr_size_bytes(s_save_mem_offset) ++ get_sgpr_size_bytes(s_save_tmp) ++ s_add_u32 s_save_mem_offset, s_save_mem_offset, s_save_tmp ++ 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 ++ v_mov_b32 v3, 256*2 ++ s_mov_b32 m0, 0x10000 ++ s_mov_b32 s0, s_save_buf_rsrc3 ++ s_and_b32 s_save_buf_rsrc3, s_save_buf_rsrc3, 0xFF7FFFFF // disable add_tid ++ s_or_b32 s_save_buf_rsrc3, s_save_buf_rsrc3, 0x58000 //DFMT ++ ++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 ++// s_waitcnt vmcnt(0) ++ v_add_u32 v2, vcc[0:1], v2, v3 ++ v_cmp_lt_u32 vcc[0:1], v2, s_save_alloc_size ++ s_cbranch_vccnz L_SAVE_LDS_LOOP_VECTOR ++ ++ // restore rsrc3 ++ s_mov_b32 s_save_buf_rsrc3, s0 ++ ++end ++ ++L_SAVE_LDS_DONE: ++ ++ ++ /* save VGPRs - set the Rest VGPRs */ ++ ////////////////////////////////////////////////////////////////////////////////////// ++ L_SAVE_VGPR: ++ // VGPR SR memory offset: 0 ++ // TODO rearrange the RSRC words to use swizzle for VGPR save... ++ ++ s_mov_b32 s_save_mem_offset, (0+256*4) // for the rest VGPRs ++ s_mov_b32 exec_lo, 0xFFFFFFFF //need every thread from now on ++ s_mov_b32 exec_hi, 0xFFFFFFFF ++ ++ s_getreg_b32 s_save_alloc_size, hwreg(HW_REG_GPR_ALLOC,SQ_WAVE_GPR_ALLOC_VGPR_SIZE_SHIFT,SQ_WAVE_GPR_ALLOC_VGPR_SIZE_SIZE) //vpgr_size ++ 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 ++ s_cbranch_scc0 L_SAVE_VGPR_END ++ ++ ++ s_set_gpr_idx_on m0, 0x1 //M0[7:0] = M0[7:0] and M0[15:12] = 0x1 ++ s_add_u32 s_save_alloc_size, s_save_alloc_size, 0x1000 //add 0x1000 since we compare m0 against it later ++ ++ L_SAVE_VGPR_LOOP: ++ v_mov_b32 v0, v0 //v0 = v[0+m0] ++ v_mov_b32 v1, v1 //v0 = v[0+m0] ++ 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 ++ ++ ++ ++/**************************************************************************/ ++/* restore routine */ ++/**************************************************************************/ ++ ++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 ++ s_mov_b32 s_restore_buf_rsrc2, 0 //NUM_RECORDS initial value = 0 (in bytes) ++ s_mov_b32 s_restore_buf_rsrc3, S_RESTORE_BUF_RSRC_WORD3_MISC ++ s_and_b32 s_restore_tmp, s_restore_spi_init_hi, S_RESTORE_SPI_INIT_ATC_MASK ++ s_lshr_b32 s_restore_tmp, s_restore_tmp, (S_RESTORE_SPI_INIT_ATC_SHIFT-SQ_BUF_RSRC_WORD1_ATC_SHIFT) //get ATC bit into position ++ s_or_b32 s_restore_buf_rsrc3, s_restore_buf_rsrc3, s_restore_tmp //or ATC ++ s_and_b32 s_restore_tmp, s_restore_spi_init_hi, S_RESTORE_SPI_INIT_MTYPE_MASK ++ s_lshr_b32 s_restore_tmp, s_restore_tmp, (S_RESTORE_SPI_INIT_MTYPE_SHIFT-SQ_BUF_RSRC_WORD3_MTYPE_SHIFT) //get MTYPE bits into position ++ s_or_b32 s_restore_buf_rsrc3, s_restore_buf_rsrc3, s_restore_tmp //or MTYPE ++ ++ /* global mem offset */ ++// s_mov_b32 s_restore_mem_offset, 0x0 //mem offset initial value = 0 ++ ++ /* the first wave in the threadgroup */ ++ s_and_b32 s_restore_tmp, s_restore_spi_init_hi, S_RESTORE_SPI_INIT_FIRST_WAVE_MASK ++ s_cbranch_scc0 L_RESTORE_VGPR ++ ++ /* restore LDS */ ++ ////////////////////////////// ++ L_RESTORE_LDS: ++ ++ s_mov_b32 exec_lo, 0xFFFFFFFF //need every thread from now on //be consistent with SAVE although can be moved ahead ++ s_mov_b32 exec_hi, 0xFFFFFFFF ++ ++ s_getreg_b32 s_restore_alloc_size, hwreg(HW_REG_LDS_ALLOC,SQ_WAVE_LDS_ALLOC_LDS_SIZE_SHIFT,SQ_WAVE_LDS_ALLOC_LDS_SIZE_SIZE) //lds_size ++ s_and_b32 s_restore_alloc_size, s_restore_alloc_size, 0xFFFFFFFF //lds_size is zero? ++ s_cbranch_scc0 L_RESTORE_VGPR //no lds used? jump to L_RESTORE_VGPR ++ s_lshl_b32 s_restore_alloc_size, s_restore_alloc_size, 6 //LDS size in dwords = lds_size * 64dw ++ s_lshl_b32 s_restore_alloc_size, s_restore_alloc_size, 2 //LDS size in bytes ++ s_mov_b32 s_restore_buf_rsrc2, s_restore_alloc_size //NUM_RECORDS in bytes ++ ++ // LDS at offset: size(VGPR)+SIZE(SGPR)+SIZE(HWREG) ++ // ++ get_vgpr_size_bytes(s_restore_mem_offset) ++ get_sgpr_size_bytes(s_restore_tmp) ++ s_add_u32 s_restore_mem_offset, s_restore_mem_offset, s_restore_tmp ++ 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 ++ s_cbranch_scc1 L_RESTORE_LDS_LOOP //LDS restore is complete? ++ ++ ++ /* restore VGPRs */ ++ ////////////////////////////// ++ L_RESTORE_VGPR: ++ // VGPR SR memory offset : 0 ++ s_mov_b32 s_restore_mem_offset, 0x0 ++ s_mov_b32 exec_lo, 0xFFFFFFFF //need every thread from now on //be consistent with SAVE although can be moved ahead ++ s_mov_b32 exec_hi, 0xFFFFFFFF ++ ++ s_getreg_b32 s_restore_alloc_size, hwreg(HW_REG_GPR_ALLOC,SQ_WAVE_GPR_ALLOC_VGPR_SIZE_SHIFT,SQ_WAVE_GPR_ALLOC_VGPR_SIZE_SIZE) //vpgr_size ++ 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 ++ s_mov_b32 m0, 4 //VGPR initial index value = 1 ++ s_set_gpr_idx_on m0, 0x8 //M0[7:0] = M0[7:0] and M0[15:12] = 0x8 ++ 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 ++ v_mov_b32 v2, v2 ++ v_mov_b32 v3, v3 ++ s_add_u32 m0, m0, 4 //next vgpr index ++ s_add_u32 s_restore_mem_offset, s_restore_mem_offset, 256*4 //every buffer_load_dword does 256 bytes ++ s_cmp_lt_u32 m0, s_restore_alloc_size //scc = (m0 < s_restore_alloc_size) ? 1 : 0 ++ 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 */ ++ ////////////////////////////// ++ ++ // SGPR SR memory offset : size(VGPR) ++ get_vgpr_size_bytes(s_restore_mem_offset) ++ get_sgpr_size_bytes(s_restore_tmp) ++ s_add_u32 s_restore_mem_offset, s_restore_mem_offset, s_restore_tmp ++ s_sub_u32 s_restore_mem_offset, s_restore_mem_offset, 16*4 // restore SGPR from S[n] to S[0], by 16 sgprs group ++ // TODO, change RSRC word to rearrange memory layout for SGPRS ++ ++ s_getreg_b32 s_restore_alloc_size, hwreg(HW_REG_GPR_ALLOC,SQ_WAVE_GPR_ALLOC_SGPR_SIZE_SHIFT,SQ_WAVE_GPR_ALLOC_SGPR_SIZE_SIZE) //spgr_size ++ 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 ++ */ ++ s_mov_b32 m0, s_restore_alloc_size ++ ++ L_RESTORE_SGPR_LOOP: ++ read_16sgpr_from_mem(s0, s_restore_buf_rsrc0, s_restore_mem_offset) //PV: further performance improvement can be made ++ s_waitcnt lgkmcnt(0) //ensure data ready ++ ++ s_sub_u32 m0, m0, 16 // Restore from S[n] to S[0] ++ ++ s_movreld_b64 s0, s0 //s[0+m0] = s0 ++ s_movreld_b64 s2, s2 ++ s_movreld_b64 s4, s4 ++ s_movreld_b64 s6, s6 ++ s_movreld_b64 s8, s8 ++ s_movreld_b64 s10, s10 ++ s_movreld_b64 s12, s12 ++ s_movreld_b64 s14, s14 ++ ++ s_cmp_eq_u32 m0, 0 //scc = (m0 < s_restore_alloc_size) ? 1 : 0 ++ s_cbranch_scc0 L_RESTORE_SGPR_LOOP //SGPR restore (except s0) is complete? ++ ++ /* restore HW registers */ ++ ////////////////////////////// ++ 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) ++ s_add_u32 s_restore_mem_offset, s_restore_mem_offset, s_restore_tmp ++ ++ ++ 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 ++ read_hwreg_from_mem(s_restore_pc_hi, s_restore_buf_rsrc0, s_restore_mem_offset) ++ read_hwreg_from_mem(s_restore_exec_lo, s_restore_buf_rsrc0, s_restore_mem_offset) //EXEC ++ read_hwreg_from_mem(s_restore_exec_hi, s_restore_buf_rsrc0, s_restore_mem_offset) ++ read_hwreg_from_mem(s_restore_status, s_restore_buf_rsrc0, s_restore_mem_offset) //STATUS ++ read_hwreg_from_mem(s_restore_trapsts, s_restore_buf_rsrc0, s_restore_mem_offset) //TRAPSTS ++ read_hwreg_from_mem(xnack_mask_lo, s_restore_buf_rsrc0, s_restore_mem_offset) //XNACK_MASK_LO ++ read_hwreg_from_mem(xnack_mask_hi, s_restore_buf_rsrc0, s_restore_mem_offset) //XNACK_MASK_HI ++ read_hwreg_from_mem(s_restore_mode, s_restore_buf_rsrc0, s_restore_mem_offset) //MODE ++ read_hwreg_from_mem(tba_lo, s_restore_buf_rsrc0, s_restore_mem_offset) //TBA_LO ++ read_hwreg_from_mem(tba_hi, s_restore_buf_rsrc0, s_restore_mem_offset) //TBA_HI ++ ++ s_waitcnt lgkmcnt(0) //from now on, it is safe to restore STATUS and IB_STS ++ ++ s_and_b32 s_restore_pc_hi, s_restore_pc_hi, 0x0000ffff //pc[47:32] //Do it here in order not to affect STATUS ++ ++ //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 ++ ++ s_and_b32 s_restore_m0, SQ_WAVE_TRAPSTS_PRE_SAVECTX_MASK, s_restore_trapsts ++ s_setreg_b32 hwreg(HW_REG_TRAPSTS, SQ_WAVE_TRAPSTS_PRE_SAVECTX_SHIFT, SQ_WAVE_TRAPSTS_PRE_SAVECTX_SIZE), s_restore_m0 ++ s_and_b32 s_restore_m0, SQ_WAVE_TRAPSTS_POST_SAVECTX_MASK, s_restore_trapsts ++ s_lshr_b32 s_restore_m0, s_restore_m0, SQ_WAVE_TRAPSTS_POST_SAVECTX_SHIFT ++ s_setreg_b32 hwreg(HW_REG_TRAPSTS, SQ_WAVE_TRAPSTS_POST_SAVECTX_SHIFT, SQ_WAVE_TRAPSTS_POST_SAVECTX_SIZE), s_restore_m0 ++ //s_setreg_b32 hwreg(HW_REG_TRAPSTS), s_restore_trapsts //don't overwrite SAVECTX bit as it may be set through external SAVECTX during restore ++ s_setreg_b32 hwreg(HW_REG_MODE), s_restore_mode ++ //reuse s_restore_m0 as a temp register ++ s_and_b32 s_restore_m0, s_restore_pc_hi, S_SAVE_PC_HI_RCNT_MASK ++ s_lshr_b32 s_restore_m0, s_restore_m0, S_SAVE_PC_HI_RCNT_SHIFT ++ s_lshl_b32 s_restore_m0, s_restore_m0, SQ_WAVE_IB_STS_RCNT_SHIFT ++ s_mov_b32 s_restore_tmp, 0x0 //IB_STS is zero ++ s_or_b32 s_restore_tmp, s_restore_tmp, s_restore_m0 ++ s_and_b32 s_restore_m0, s_restore_pc_hi, S_SAVE_PC_HI_FIRST_REPLAY_MASK ++ s_lshr_b32 s_restore_m0, s_restore_m0, S_SAVE_PC_HI_FIRST_REPLAY_SHIFT ++ s_lshl_b32 s_restore_m0, s_restore_m0, SQ_WAVE_IB_STS_FIRST_REPLAY_SHIFT ++ s_or_b32 s_restore_tmp, s_restore_tmp, s_restore_m0 ++ s_and_b32 s_restore_m0, s_restore_status, SQ_WAVE_STATUS_INST_ATC_MASK ++ s_lshr_b32 s_restore_m0, s_restore_m0, SQ_WAVE_STATUS_INST_ATC_SHIFT ++ s_setreg_b32 hwreg(HW_REG_IB_STS), s_restore_tmp ++ ++ s_and_b64 exec, exec, exec // Restore STATUS.EXECZ, not writable by s_setreg_b32 ++ s_and_b64 vcc, vcc, vcc // Restore STATUS.VCCZ, not writable by s_setreg_b32 ++ s_setreg_b32 hwreg(HW_REG_STATUS), s_restore_status // SCC is included, which is changed by previous salu ++ ++ 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 ++ ++ ++/**************************************************************************/ ++/* the END */ ++/**************************************************************************/ ++L_END_PGM: ++ s_endpgm ++ ++end ++ ++ ++/**************************************************************************/ ++/* the helper functions */ ++/**************************************************************************/ ++ ++//Only for save hwreg to mem ++function write_hwreg_to_mem(s, s_rsrc, s_mem_offset) ++ s_mov_b32 exec_lo, m0 //assuming exec_lo is not needed anymore from this point on ++ s_mov_b32 m0, s_mem_offset ++ s_buffer_store_dword s, s_rsrc, m0 glc:1 ++ s_add_u32 s_mem_offset, s_mem_offset, 4 ++ s_mov_b32 m0, exec_lo ++end ++ ++ ++// HWREG are saved before SGPRs, so all HWREG could be use. ++function write_16sgpr_to_mem(s, s_rsrc, s_mem_offset) ++ ++ s_buffer_store_dwordx4 s[0], s_rsrc, 0 glc:1 ++ s_buffer_store_dwordx4 s[4], s_rsrc, 16 glc:1 ++ s_buffer_store_dwordx4 s[8], s_rsrc, 32 glc:1 ++ s_buffer_store_dwordx4 s[12], s_rsrc, 48 glc:1 ++ s_add_u32 s_rsrc[0], s_rsrc[0], 4*16 ++ s_addc_u32 s_rsrc[1], s_rsrc[1], 0x0 // +scc ++end ++ ++ ++function read_hwreg_from_mem(s, s_rsrc, s_mem_offset) ++ s_buffer_load_dword s, s_rsrc, s_mem_offset glc:1 ++ s_add_u32 s_mem_offset, s_mem_offset, 4 ++end ++ ++function read_16sgpr_from_mem(s, s_rsrc, s_mem_offset) ++ s_buffer_load_dwordx16 s, s_rsrc, s_mem_offset glc:1 ++ s_sub_u32 s_mem_offset, s_mem_offset, 4*16 ++end ++ ++ ++ ++function get_lds_size_bytes(s_lds_size_byte) ++ // SQ LDS granularity is 64DW, while PGM_RSRC2.lds_size is in granularity 128DW ++ s_getreg_b32 s_lds_size_byte, hwreg(HW_REG_LDS_ALLOC, SQ_WAVE_LDS_ALLOC_LDS_SIZE_SHIFT, SQ_WAVE_LDS_ALLOC_LDS_SIZE_SIZE) // lds_size ++ s_lshl_b32 s_lds_size_byte, s_lds_size_byte, 8 //LDS size in dwords = lds_size * 64 *4Bytes // granularity 64DW ++end ++ ++function get_vgpr_size_bytes(s_vgpr_size_byte) ++ s_getreg_b32 s_vgpr_size_byte, hwreg(HW_REG_GPR_ALLOC,SQ_WAVE_GPR_ALLOC_VGPR_SIZE_SHIFT,SQ_WAVE_GPR_ALLOC_VGPR_SIZE_SIZE) //vpgr_size ++ s_add_u32 s_vgpr_size_byte, s_vgpr_size_byte, 1 ++ s_lshl_b32 s_vgpr_size_byte, s_vgpr_size_byte, (2+8) //Number of VGPRs = (vgpr_size + 1) * 4 * 64 * 4 (non-zero value) //FIXME for GFX, zero is possible ++end ++ ++function get_sgpr_size_bytes(s_sgpr_size_byte) ++ s_getreg_b32 s_sgpr_size_byte, hwreg(HW_REG_GPR_ALLOC,SQ_WAVE_GPR_ALLOC_SGPR_SIZE_SHIFT,SQ_WAVE_GPR_ALLOC_SGPR_SIZE_SIZE) //spgr_size ++ s_add_u32 s_sgpr_size_byte, s_sgpr_size_byte, 1 ++ s_lshl_b32 s_sgpr_size_byte, s_sgpr_size_byte, 6 //Number of SGPRs = (sgpr_size + 1) * 16 *4 (non-zero value) ++end ++ ++function get_hwreg_size_bytes ++ return 128 //HWREG size 128 bytes ++end ++ ++ ++#endif ++ ++static const uint32_t cwsr_trap_gfx8_hex[] = { ++ 0xbf820001, 0xbf820123, ++ 0xb8f4f802, 0x89748674, ++ 0xb8f5f803, 0x8675ff75, ++ 0x00000400, 0xbf850011, ++ 0xc00a1e37, 0x00000000, ++ 0xbf8c007f, 0x87777978, ++ 0xbf840002, 0xb974f802, ++ 0xbe801d78, 0xb8f5f803, ++ 0x8675ff75, 0x000001ff, ++ 0xbf850002, 0x80708470, ++ 0x82718071, 0x8671ff71, ++ 0x0000ffff, 0xb974f802, ++ 0xbe801f70, 0xb8f5f803, ++ 0x8675ff75, 0x00000100, ++ 0xbf840006, 0xbefa0080, ++ 0xb97a0203, 0x8671ff71, ++ 0x0000ffff, 0x80f08870, ++ 0x82f18071, 0xbefa0080, ++ 0xb97a0283, 0xbef60068, ++ 0xbef70069, 0xb8fa1c07, ++ 0x8e7a9c7a, 0x87717a71, ++ 0xb8fa03c7, 0x8e7a9b7a, ++ 0x87717a71, 0xb8faf807, ++ 0x867aff7a, 0x00007fff, ++ 0xb97af807, 0xbef2007e, ++ 0xbef3007f, 0xbefe0180, ++ 0xbf900004, 0xbf8e0002, ++ 0xbf88fffe, 0xbef8007e, ++ 0x8679ff7f, 0x0000ffff, ++ 0x8779ff79, 0x00040000, ++ 0xbefa0080, 0xbefb00ff, ++ 0x00807fac, 0x867aff7f, ++ 0x08000000, 0x8f7a837a, ++ 0x877b7a7b, 0x867aff7f, ++ 0x70000000, 0x8f7a817a, ++ 0x877b7a7b, 0xbeef007c, ++ 0xbeee0080, 0xb8ee2a05, ++ 0x806e816e, 0x8e6e8a6e, ++ 0xb8fa1605, 0x807a817a, ++ 0x8e7a867a, 0x806e7a6e, ++ 0xbefa0084, 0xbefa00ff, ++ 0x01000000, 0xbefe007c, ++ 0xbefc006e, 0xc0611bfc, ++ 0x0000007c, 0x806e846e, ++ 0xbefc007e, 0xbefe007c, ++ 0xbefc006e, 0xc0611c3c, ++ 0x0000007c, 0x806e846e, ++ 0xbefc007e, 0xbefe007c, ++ 0xbefc006e, 0xc0611c7c, ++ 0x0000007c, 0x806e846e, ++ 0xbefc007e, 0xbefe007c, ++ 0xbefc006e, 0xc0611cbc, ++ 0x0000007c, 0x806e846e, ++ 0xbefc007e, 0xbefe007c, ++ 0xbefc006e, 0xc0611cfc, ++ 0x0000007c, 0x806e846e, ++ 0xbefc007e, 0xbefe007c, ++ 0xbefc006e, 0xc0611d3c, ++ 0x0000007c, 0x806e846e, ++ 0xbefc007e, 0xb8f5f803, ++ 0xbefe007c, 0xbefc006e, ++ 0xc0611d7c, 0x0000007c, ++ 0x806e846e, 0xbefc007e, ++ 0xbefe007c, 0xbefc006e, ++ 0xc0611dbc, 0x0000007c, ++ 0x806e846e, 0xbefc007e, ++ 0xbefe007c, 0xbefc006e, ++ 0xc0611dfc, 0x0000007c, ++ 0x806e846e, 0xbefc007e, ++ 0xb8eff801, 0xbefe007c, ++ 0xbefc006e, 0xc0611bfc, ++ 0x0000007c, 0x806e846e, ++ 0xbefc007e, 0xbefe007c, ++ 0xbefc006e, 0xc0611b3c, ++ 0x0000007c, 0x806e846e, ++ 0xbefc007e, 0xbefe007c, ++ 0xbefc006e, 0xc0611b7c, ++ 0x0000007c, 0x806e846e, ++ 0xbefc007e, 0x867aff7f, ++ 0x04000000, 0xbef30080, ++ 0x8773737a, 0xb8ee2a05, ++ 0x806e816e, 0x8e6e8a6e, ++ 0xb8f51605, 0x80758175, ++ 0x8e758475, 0x8e7a8275, ++ 0xbefa00ff, 0x01000000, ++ 0xbef60178, 0x80786e78, ++ 0x82798079, 0xbefc0080, ++ 0xbe802b00, 0xbe822b02, ++ 0xbe842b04, 0xbe862b06, ++ 0xbe882b08, 0xbe8a2b0a, ++ 0xbe8c2b0c, 0xbe8e2b0e, ++ 0xc06b003c, 0x00000000, ++ 0xc06b013c, 0x00000010, ++ 0xc06b023c, 0x00000020, ++ 0xc06b033c, 0x00000030, ++ 0x8078c078, 0x82798079, ++ 0x807c907c, 0xbf0a757c, ++ 0xbf85ffeb, 0xbef80176, ++ 0xbeee0080, 0xbefe00c1, ++ 0xbeff00c1, 0xbefa00ff, ++ 0x01000000, 0xe0724000, ++ 0x6e1e0000, 0xe0724100, ++ 0x6e1e0100, 0xe0724200, ++ 0x6e1e0200, 0xe0724300, ++ 0x6e1e0300, 0xbefe00c1, ++ 0xbeff00c1, 0xb8f54306, ++ 0x8675c175, 0xbf84002c, ++ 0xbf8a0000, 0x867aff73, ++ 0x04000000, 0xbf840028, ++ 0x8e758675, 0x8e758275, ++ 0xbefa0075, 0xb8ee2a05, ++ 0x806e816e, 0x8e6e8a6e, ++ 0xb8fa1605, 0x807a817a, ++ 0x8e7a867a, 0x806e7a6e, ++ 0x806eff6e, 0x00000080, ++ 0xbefa00ff, 0x01000000, ++ 0xbefc0080, 0xd28c0002, ++ 0x000100c1, 0xd28d0003, ++ 0x000204c1, 0xd1060002, ++ 0x00011103, 0x7e0602ff, ++ 0x00000200, 0xbefc00ff, ++ 0x00010000, 0xbe80007b, ++ 0x867bff7b, 0xff7fffff, ++ 0x877bff7b, 0x00058000, ++ 0xd8ec0000, 0x00000002, ++ 0xbf8c007f, 0xe0765000, ++ 0x6e1e0002, 0x32040702, ++ 0xd0c9006a, 0x0000eb02, ++ 0xbf87fff7, 0xbefb0000, ++ 0xbeee00ff, 0x00000400, ++ 0xbefe00c1, 0xbeff00c1, ++ 0xb8f52a05, 0x80758175, ++ 0x8e758275, 0x8e7a8875, ++ 0xbefa00ff, 0x01000000, ++ 0xbefc0084, 0xbf0a757c, ++ 0xbf840015, 0xbf11017c, ++ 0x8075ff75, 0x00001000, ++ 0x7e000300, 0x7e020301, ++ 0x7e040302, 0x7e060303, ++ 0xe0724000, 0x6e1e0000, ++ 0xe0724100, 0x6e1e0100, ++ 0xe0724200, 0x6e1e0200, ++ 0xe0724300, 0x6e1e0300, ++ 0x807c847c, 0x806eff6e, ++ 0x00000400, 0xbf0a757c, ++ 0xbf85ffef, 0xbf9c0000, ++ 0xbf8200ca, 0xbef8007e, ++ 0x8679ff7f, 0x0000ffff, ++ 0x8779ff79, 0x00040000, ++ 0xbefa0080, 0xbefb00ff, ++ 0x00807fac, 0x8676ff7f, ++ 0x08000000, 0x8f768376, ++ 0x877b767b, 0x8676ff7f, ++ 0x70000000, 0x8f768176, ++ 0x877b767b, 0x8676ff7f, ++ 0x04000000, 0xbf84001e, ++ 0xbefe00c1, 0xbeff00c1, ++ 0xb8f34306, 0x8673c173, ++ 0xbf840019, 0x8e738673, ++ 0x8e738273, 0xbefa0073, ++ 0xb8f22a05, 0x80728172, ++ 0x8e728a72, 0xb8f61605, ++ 0x80768176, 0x8e768676, ++ 0x80727672, 0x8072ff72, ++ 0x00000080, 0xbefa00ff, ++ 0x01000000, 0xbefc0080, ++ 0xe0510000, 0x721e0000, ++ 0xe0510100, 0x721e0000, ++ 0x807cff7c, 0x00000200, ++ 0x8072ff72, 0x00000200, ++ 0xbf0a737c, 0xbf85fff6, ++ 0xbef20080, 0xbefe00c1, ++ 0xbeff00c1, 0xb8f32a05, ++ 0x80738173, 0x8e738273, ++ 0x8e7a8873, 0xbefa00ff, ++ 0x01000000, 0xbef60072, ++ 0x8072ff72, 0x00000400, ++ 0xbefc0084, 0xbf11087c, ++ 0x8073ff73, 0x00008000, ++ 0xe0524000, 0x721e0000, ++ 0xe0524100, 0x721e0100, ++ 0xe0524200, 0x721e0200, ++ 0xe0524300, 0x721e0300, ++ 0xbf8c0f70, 0x7e000300, ++ 0x7e020301, 0x7e040302, ++ 0x7e060303, 0x807c847c, ++ 0x8072ff72, 0x00000400, ++ 0xbf0a737c, 0xbf85ffee, ++ 0xbf9c0000, 0xe0524000, ++ 0x761e0000, 0xe0524100, ++ 0x761e0100, 0xe0524200, ++ 0x761e0200, 0xe0524300, ++ 0x761e0300, 0xb8f22a05, ++ 0x80728172, 0x8e728a72, ++ 0xb8f61605, 0x80768176, ++ 0x8e768676, 0x80727672, ++ 0x80f2c072, 0xb8f31605, ++ 0x80738173, 0x8e738473, ++ 0x8e7a8273, 0xbefa00ff, ++ 0x01000000, 0xbefc0073, ++ 0xc031003c, 0x00000072, ++ 0x80f2c072, 0xbf8c007f, ++ 0x80fc907c, 0xbe802d00, ++ 0xbe822d02, 0xbe842d04, ++ 0xbe862d06, 0xbe882d08, ++ 0xbe8a2d0a, 0xbe8c2d0c, ++ 0xbe8e2d0e, 0xbf06807c, ++ 0xbf84fff1, 0xb8f22a05, ++ 0x80728172, 0x8e728a72, ++ 0xb8f61605, 0x80768176, ++ 0x8e768676, 0x80727672, ++ 0xbefa0084, 0xbefa00ff, ++ 0x01000000, 0xc0211cfc, ++ 0x00000072, 0x80728472, ++ 0xc0211c3c, 0x00000072, ++ 0x80728472, 0xc0211c7c, ++ 0x00000072, 0x80728472, ++ 0xc0211bbc, 0x00000072, ++ 0x80728472, 0xc0211bfc, ++ 0x00000072, 0x80728472, ++ 0xc0211d3c, 0x00000072, ++ 0x80728472, 0xc0211d7c, ++ 0x00000072, 0x80728472, ++ 0xc0211a3c, 0x00000072, ++ 0x80728472, 0xc0211a7c, ++ 0x00000072, 0x80728472, ++ 0xc0211dfc, 0x00000072, ++ 0x80728472, 0xc0211b3c, ++ 0x00000072, 0x80728472, ++ 0xc0211b7c, 0x00000072, ++ 0x80728472, 0xbf8c007f, ++ 0x8671ff71, 0x0000ffff, ++ 0xbefc0073, 0xbefe006e, ++ 0xbeff006f, 0x867375ff, ++ 0x000003ff, 0xb9734803, ++ 0x867375ff, 0xfffff800, ++ 0x8f738b73, 0xb973a2c3, ++ 0xb977f801, 0x8673ff71, ++ 0xf0000000, 0x8f739c73, ++ 0x8e739073, 0xbef60080, ++ 0x87767376, 0x8673ff71, ++ 0x08000000, 0x8f739b73, ++ 0x8e738f73, 0x87767376, ++ 0x8673ff74, 0x00800000, ++ 0x8f739773, 0xb976f807, ++ 0x86fe7e7e, 0x86ea6a6a, ++ 0xb974f802, 0xbf8a0000, ++ 0x95807370, 0xbf810000, ++}; ++ +-- +2.7.4 + |