mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-21 23:53:45 +07:00
drm/amdkfd: Add arcturus CWSR trap handler
CWSR (compute wave save/restore) is used for preempting compute queues. Signed-off-by: Oak Zeng <Oak.Zeng@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Oak Zeng
Alex Deucher
parent
54bd77f3d0
commit
3baa24f0fc
@ -860,3 +860,201 @@ static const uint32_t cwsr_trap_gfx10_hex[] = {
|
||||
0xbf9f0000, 0xbf9f0000,
|
||||
0xbf9f0000, 0x00000000,
|
||||
};
|
||||
static const uint32_t cwsr_trap_arcturus_hex[] = {
|
||||
0xbf820001, 0xbf8200ca,
|
||||
0xb8f0f802, 0x89708670,
|
||||
0xb8f1f803, 0x8671ff71,
|
||||
0x00000400, 0xbf850008,
|
||||
0xb8f1f803, 0x8671ff71,
|
||||
0x000001ff, 0xbf850001,
|
||||
0x806c846c, 0x866dff6d,
|
||||
0x0000ffff, 0xbe801f6c,
|
||||
0xb8f1f803, 0x8671ff71,
|
||||
0x00000100, 0xbf840006,
|
||||
0xbef60080, 0xb9760203,
|
||||
0x866dff6d, 0x0000ffff,
|
||||
0x80ec886c, 0x82ed806d,
|
||||
0xbef60080, 0xb9760283,
|
||||
0xbef20068, 0xbef30069,
|
||||
0xb8f62407, 0x8e769b76,
|
||||
0x876d766d, 0xb8f603c7,
|
||||
0x8e769a76, 0x876d766d,
|
||||
0xb8f6f807, 0x8676ff76,
|
||||
0x00007fff, 0xb976f807,
|
||||
0xbeee007e, 0xbeef007f,
|
||||
0xbefe0180, 0xbf900004,
|
||||
0xbf8e0002, 0xbf88fffe,
|
||||
0xbef4007e, 0x8675ff7f,
|
||||
0x0000ffff, 0x8775ff75,
|
||||
0x00040000, 0xbef60080,
|
||||
0xbef700ff, 0x00807fac,
|
||||
0x8676ff7f, 0x08000000,
|
||||
0x8f768376, 0x87777677,
|
||||
0x8676ff7f, 0x70000000,
|
||||
0x8f768176, 0x87777677,
|
||||
0xbefb007c, 0xbefa0080,
|
||||
0xbf8a0000, 0x8676ff7f,
|
||||
0x04000000, 0xbf840012,
|
||||
0xbefe00c1, 0xbeff00c1,
|
||||
0xb8f14306, 0x8671c171,
|
||||
0xbf84000d, 0x8e718671,
|
||||
0x8e718271, 0xbef60071,
|
||||
0xbef600ff, 0x01000000,
|
||||
0xbefc0080, 0xbf800000,
|
||||
0x807cff7c, 0x00000100,
|
||||
0x807aff7a, 0x00000100,
|
||||
0xbf0a717c, 0xbf85fffa,
|
||||
0xbefe00c1, 0xbeff00c1,
|
||||
0xb8f12a05, 0x80718171,
|
||||
0x8e718271, 0x8e768871,
|
||||
0xbef600ff, 0x01000000,
|
||||
0xbefc0080, 0xbf11017c,
|
||||
0x8071ff71, 0x00001000,
|
||||
0x7e000300, 0xe0724000,
|
||||
0x7a1d0000, 0x807c817c,
|
||||
0x807aff7a, 0x00000100,
|
||||
0xbf0a717c, 0xbf85fff8,
|
||||
0xbf9c0000, 0xbefe00c1,
|
||||
0xbeff00c1, 0xb8f12a05,
|
||||
0x80718171, 0x8e718271,
|
||||
0x8e768871, 0xbef600ff,
|
||||
0x01000000, 0xbefc0080,
|
||||
0xbf11017c, 0x8071ff71,
|
||||
0x00001000, 0xd3d84000,
|
||||
0x18000100, 0x7e000000,
|
||||
0x7e000000, 0xe0724000,
|
||||
0x7a1d0000, 0x807c817c,
|
||||
0x807aff7a, 0x00000100,
|
||||
0xbf0a717c, 0xbf85fff5,
|
||||
0xbf9c0000, 0xb8f11605,
|
||||
0x80718171, 0x8e718471,
|
||||
0x8e768871, 0xbef600ff,
|
||||
0x01000000, 0xbefc0080,
|
||||
0xbf800000, 0xbe802a00,
|
||||
0x7e000200, 0xe0724000,
|
||||
0x7a1d0000, 0x807aff7a,
|
||||
0x00000100, 0x807c817c,
|
||||
0xbf0a717c, 0xbf85fff7,
|
||||
0xbef60084, 0xbef600ff,
|
||||
0x01000000, 0x7e00027b,
|
||||
0xe0724000, 0x7a1d0000,
|
||||
0x807aff7a, 0x00000100,
|
||||
0x7e00026c, 0xe0724000,
|
||||
0x7a1d0000, 0x807aff7a,
|
||||
0x00000100, 0x7e00026d,
|
||||
0xe0724000, 0x7a1d0000,
|
||||
0x807aff7a, 0x00000100,
|
||||
0x7e00026e, 0xe0724000,
|
||||
0x7a1d0000, 0x807aff7a,
|
||||
0x00000100, 0x7e00026f,
|
||||
0xe0724000, 0x7a1d0000,
|
||||
0x807aff7a, 0x00000100,
|
||||
0x7e000270, 0xe0724000,
|
||||
0x7a1d0000, 0x807aff7a,
|
||||
0x00000100, 0xb8f1f803,
|
||||
0x7e000271, 0xe0724000,
|
||||
0x7a1d0000, 0x807aff7a,
|
||||
0x00000100, 0x7e000272,
|
||||
0xe0724000, 0x7a1d0000,
|
||||
0x807aff7a, 0x00000100,
|
||||
0x7e000273, 0xe0724000,
|
||||
0x7a1d0000, 0x807aff7a,
|
||||
0x00000100, 0xb8fbf801,
|
||||
0x7e00027b, 0xe0724000,
|
||||
0x7a1d0000, 0x807aff7a,
|
||||
0x00000100, 0xbf8200bb,
|
||||
0xbef4007e, 0x8675ff7f,
|
||||
0x0000ffff, 0x8775ff75,
|
||||
0x00040000, 0xbef60080,
|
||||
0xbef700ff, 0x00807fac,
|
||||
0x8672ff7f, 0x08000000,
|
||||
0x8f728372, 0x87777277,
|
||||
0x8672ff7f, 0x70000000,
|
||||
0x8f728172, 0x87777277,
|
||||
0xbef80080, 0x8672ff7f,
|
||||
0x04000000, 0xbf840011,
|
||||
0xbefe00c1, 0xbeff00c1,
|
||||
0xb8ef4306, 0x866fc16f,
|
||||
0xbf84000c, 0x8e6f866f,
|
||||
0x8e6f826f, 0xbef6006f,
|
||||
0xbef600ff, 0x01000000,
|
||||
0xbefc0080, 0x807cff7c,
|
||||
0x00000100, 0x8078ff78,
|
||||
0x00000100, 0xbf0a6f7c,
|
||||
0xbf85fffa, 0xbefe00c1,
|
||||
0xbeff00c1, 0xb8ef2a05,
|
||||
0x806f816f, 0x8e6f826f,
|
||||
0x8e76886f, 0xbef600ff,
|
||||
0x01000000, 0xbef20078,
|
||||
0x8078ff78, 0x00000100,
|
||||
0xbefc0081, 0xbf11087c,
|
||||
0x806fff6f, 0x00008000,
|
||||
0xe0524000, 0x781d0000,
|
||||
0xbf8c0f70, 0x7e000300,
|
||||
0x807c817c, 0x8078ff78,
|
||||
0x00000100, 0xbf0a6f7c,
|
||||
0xbf85fff7, 0xbf9c0000,
|
||||
0xbefe00c1, 0xbeff00c1,
|
||||
0xb8ef2a05, 0x806f816f,
|
||||
0x8e6f826f, 0x8e76886f,
|
||||
0xbef600ff, 0x01000000,
|
||||
0xbefc0080, 0xbf11087c,
|
||||
0x806fff6f, 0x00008000,
|
||||
0xe0524000, 0x781d0000,
|
||||
0xbf8c0f70, 0xd3d94000,
|
||||
0x18000100, 0x807c817c,
|
||||
0x8078ff78, 0x00000100,
|
||||
0xbf0a6f7c, 0xbf85fff6,
|
||||
0xbf9c0000, 0xe0524000,
|
||||
0x721d0000, 0xb8ef1605,
|
||||
0x806f816f, 0x8e6f846f,
|
||||
0x8e76886f, 0xbef600ff,
|
||||
0x01000000, 0xc0211cba,
|
||||
0x00000078, 0x8078ff78,
|
||||
0x00000100, 0xbefc0081,
|
||||
0xc021003a, 0x00000078,
|
||||
0x8078ff78, 0x00000100,
|
||||
0xbf8cc07f, 0xbe802c00,
|
||||
0xbf800000, 0x807c817c,
|
||||
0xbf0a6f7c, 0xbf85fff6,
|
||||
0xbe800072, 0xbef60084,
|
||||
0xbef600ff, 0x01000000,
|
||||
0xc0211bfa, 0x00000078,
|
||||
0x8078ff78, 0x00000100,
|
||||
0xc0211b3a, 0x00000078,
|
||||
0x8078ff78, 0x00000100,
|
||||
0xc0211b7a, 0x00000078,
|
||||
0x8078ff78, 0x00000100,
|
||||
0xc0211eba, 0x00000078,
|
||||
0x8078ff78, 0x00000100,
|
||||
0xc0211efa, 0x00000078,
|
||||
0x8078ff78, 0x00000100,
|
||||
0xc0211c3a, 0x00000078,
|
||||
0x8078ff78, 0x00000100,
|
||||
0xc0211c7a, 0x00000078,
|
||||
0x8078ff78, 0x00000100,
|
||||
0xc0211a3a, 0x00000078,
|
||||
0x8078ff78, 0x00000100,
|
||||
0xc0211a7a, 0x00000078,
|
||||
0x8078ff78, 0x00000100,
|
||||
0xc0211cfa, 0x00000078,
|
||||
0x8078ff78, 0x00000100,
|
||||
0xbf8cc07f, 0xbef2006d,
|
||||
0x866dff72, 0x0000ffff,
|
||||
0xbefc006f, 0xbefe007a,
|
||||
0xbeff007b, 0x866f71ff,
|
||||
0x000003ff, 0xb96f4803,
|
||||
0x866f71ff, 0xfffff800,
|
||||
0x8f6f8b6f, 0xb96fa2c3,
|
||||
0xb973f801, 0x866fff72,
|
||||
0xf8000000, 0x8f6f9b6f,
|
||||
0x8e6f906f, 0xbef30080,
|
||||
0x87736f73, 0x866fff72,
|
||||
0x04000000, 0x8f6f9a6f,
|
||||
0x8e6f8f6f, 0x87736f73,
|
||||
0x866fff70, 0x00800000,
|
||||
0x8f6f976f, 0xb973f807,
|
||||
0x86fe7e7e, 0x86ea6a6a,
|
||||
0xb970f802, 0xbf8a0000,
|
||||
0x95806f6c, 0xbf810000,
|
||||
};
|
||||
|
||||
746
drivers/gpu/drm/amd/amdkfd/cwsr_trap_handler_arcturus.asm
Normal file
746
drivers/gpu/drm/amd/amdkfd/cwsr_trap_handler_arcturus.asm
Normal file
@ -0,0 +1,746 @@
|
||||
shader main
|
||||
|
||||
asic(DEFAULT)
|
||||
|
||||
type(CS)
|
||||
|
||||
/*************************************************************************/
|
||||
/* control on how to run the shader */
|
||||
/*************************************************************************/
|
||||
//any hack that needs to be made to run this code in EMU (either becasue 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 = 0
|
||||
var WG_BASE_ADDR_LO = 0x9000a000
|
||||
var WG_BASE_ADDR_HI = 0x0
|
||||
var WAVE_SPACE = 0x6000 //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 becasue various RTL code are not ready or no compute save & restore in RTL run)
|
||||
var SGPR_SAVE_USE_SQC = 0 //use SQC D$ to do the write
|
||||
var USE_MTBUF_INSTEAD_OF_MUBUF = 0 //need to change BUF_DATA_FORMAT in S_SAVE_BUF_RSRC_WORD3_MISC from 0 to BUF_DATA_FORMAT_32 if set to 1 (i.e. 0x00827FAC)
|
||||
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_FIRST_REPLAY_SHIFT = 15 //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 = 27 //FIXME check with Brian to ensure all fields other than PC[47:0] can be used
|
||||
var S_SAVE_PC_HI_RCNT_MASK = 0xF8000000 //FIXME
|
||||
var S_SAVE_PC_HI_FIRST_REPLAY_SHIFT = 26 //FIXME
|
||||
var S_SAVE_PC_HI_FIRST_REPLAY_MASK = 0x04000000 //FIXME
|
||||
|
||||
var s_save_spi_init_lo = exec_lo
|
||||
var s_save_spi_init_hi = exec_hi
|
||||
|
||||
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 = ttmp14
|
||||
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 = ttmp15
|
||||
|
||||
/* 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 = ttmp12
|
||||
var s_restore_alloc_size = ttmp3
|
||||
var s_restore_tmp = ttmp6
|
||||
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 = ttmp14
|
||||
var s_restore_exec_hi = ttmp15
|
||||
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 */
|
||||
/**************************************************************************/
|
||||
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)
|
||||
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
|
||||
|
||||
L_EXCP_CASE:
|
||||
s_and_b32 ttmp1, ttmp1, 0xFFFF
|
||||
s_rfe_b64 [ttmp0, ttmp1]
|
||||
end
|
||||
// ********* End handling of non-CWSR traps *******************
|
||||
|
||||
/**************************************************************************/
|
||||
/* save routine */
|
||||
/**************************************************************************/
|
||||
|
||||
L_SAVE:
|
||||
|
||||
//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
|
||||
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 (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
|
||||
|
||||
if (EMU_RUN_HACK)
|
||||
|
||||
else
|
||||
s_cbranch_execz L_SLEEP
|
||||
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 TODO: ATC deprecated, no need anymore.
|
||||
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
|
||||
|
||||
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
|
||||
|
||||
|
||||
/* the first wave in the threadgroup */
|
||||
s_barrier //FIXME not performance-optimal "LDS is used? wait for other waves in the same TG"
|
||||
s_and_b32 s_save_tmp, s_save_spi_init_hi, S_SAVE_SPI_INIT_FIRST_WAVE_MASK //exec is still used here
|
||||
s_cbranch_scc0 L_SAVE_VGPR
|
||||
|
||||
/* save LDS */
|
||||
//////////////////////////////
|
||||
L_SAVE_LDS:
|
||||
|
||||
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_VGPR //no lds used? jump to L_SAVE_VGPR
|
||||
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
|
||||
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
|
||||
s_nop 0x0 //Manually inserted wait states
|
||||
|
||||
L_SAVE_LDS_LOOP:
|
||||
if (SAVE_LDS)
|
||||
buffer_store_lds_dword s_save_buf_rsrc0, s_save_mem_offset lds:1
|
||||
end
|
||||
s_add_u32 m0, m0, 256 //every buffer_store_lds does 256 bytes
|
||||
s_add_u32 s_save_mem_offset, s_save_mem_offset, 256 //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?
|
||||
|
||||
|
||||
/* save VGPRs */
|
||||
//////////////////////////////
|
||||
L_SAVE_VGPR:
|
||||
|
||||
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
|
||||
|
||||
s_mov_b32 m0, 0x0 //VGPR initial index value =0
|
||||
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]
|
||||
|
||||
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
|
||||
end
|
||||
|
||||
s_add_u32 m0, m0, 1 //next vgpr index
|
||||
s_add_u32 s_save_mem_offset, s_save_mem_offset, 256 //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
|
||||
|
||||
|
||||
/* save ACC_VGPRs */
|
||||
//////////////////////////////
|
||||
L_SAVE_ACC_VGPR:
|
||||
|
||||
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
|
||||
|
||||
s_mov_b32 m0, 0x0 //VGPR initial index value =0
|
||||
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_ACC_VGPR_LOOP:
|
||||
v_accvgpr_read v0, v0
|
||||
v_nop
|
||||
v_nop
|
||||
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
|
||||
end
|
||||
|
||||
s_add_u32 m0, m0, 1 //next vgpr index
|
||||
s_add_u32 s_save_mem_offset, s_save_mem_offset, 256 //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_ACC_VGPR_LOOP //VGPR save is complete?
|
||||
s_set_gpr_idx_off
|
||||
|
||||
|
||||
/* save 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
|
||||
|
||||
s_mov_b32 m0, 0x0 //SGPR initial index value =0
|
||||
s_nop 0x0 //Manually inserted wait states
|
||||
|
||||
L_SAVE_SGPR_LOOP:
|
||||
s_movrels_b32 s0, s0 //s0 = s[0+m0]
|
||||
write_sgpr_to_mem(s0, s_save_buf_rsrc0, s_save_mem_offset, SGPR_SAVE_USE_SQC, USE_MTBUF_INSTEAD_OF_MUBUF) //PV: the best performance should be using s_buffer_store_dwordx4
|
||||
s_add_u32 m0, m0, 1 //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?
|
||||
|
||||
/* save HW registers */
|
||||
//////////////////////////////
|
||||
L_SAVE_HWREG:
|
||||
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_sgpr_to_mem(s_save_m0, s_save_buf_rsrc0, s_save_mem_offset, SGPR_SAVE_USE_SQC, USE_MTBUF_INSTEAD_OF_MUBUF) //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_sgpr_to_mem(s_save_pc_lo, s_save_buf_rsrc0, s_save_mem_offset, SGPR_SAVE_USE_SQC, USE_MTBUF_INSTEAD_OF_MUBUF) //PC
|
||||
write_sgpr_to_mem(s_save_pc_hi, s_save_buf_rsrc0, s_save_mem_offset, SGPR_SAVE_USE_SQC, USE_MTBUF_INSTEAD_OF_MUBUF)
|
||||
write_sgpr_to_mem(s_save_exec_lo, s_save_buf_rsrc0, s_save_mem_offset, SGPR_SAVE_USE_SQC, USE_MTBUF_INSTEAD_OF_MUBUF) //EXEC
|
||||
write_sgpr_to_mem(s_save_exec_hi, s_save_buf_rsrc0, s_save_mem_offset, SGPR_SAVE_USE_SQC, USE_MTBUF_INSTEAD_OF_MUBUF)
|
||||
write_sgpr_to_mem(s_save_status, s_save_buf_rsrc0, s_save_mem_offset, SGPR_SAVE_USE_SQC, USE_MTBUF_INSTEAD_OF_MUBUF) //STATUS
|
||||
|
||||
//s_save_trapsts conflicts with s_save_alloc_size
|
||||
s_getreg_b32 s_save_trapsts, hwreg(HW_REG_TRAPSTS)
|
||||
write_sgpr_to_mem(s_save_trapsts, s_save_buf_rsrc0, s_save_mem_offset, SGPR_SAVE_USE_SQC, USE_MTBUF_INSTEAD_OF_MUBUF) //TRAPSTS
|
||||
|
||||
write_sgpr_to_mem(s_save_xnack_mask_lo, s_save_buf_rsrc0, s_save_mem_offset, SGPR_SAVE_USE_SQC, USE_MTBUF_INSTEAD_OF_MUBUF) //XNACK_MASK_LO
|
||||
write_sgpr_to_mem(s_save_xnack_mask_hi, s_save_buf_rsrc0, s_save_mem_offset, SGPR_SAVE_USE_SQC, USE_MTBUF_INSTEAD_OF_MUBUF) //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_sgpr_to_mem(s_save_m0, s_save_buf_rsrc0, s_save_mem_offset, SGPR_SAVE_USE_SQC, USE_MTBUF_INSTEAD_OF_MUBUF)
|
||||
|
||||
/* 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
|
||||
|
||||
|
||||
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
|
||||
|
||||
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 TODO: ATC deprecated, no need anymore.
|
||||
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
|
||||
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
|
||||
end
|
||||
s_add_u32 m0, m0, 256 //every buffer_load_dword does 256 bytes
|
||||
s_add_u32 s_restore_mem_offset, s_restore_mem_offset, 256 //mem offset increased by 256 bytes
|
||||
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:
|
||||
|
||||
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
|
||||
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
|
||||
s_mov_b32 m0, 1 //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
|
||||
end
|
||||
s_waitcnt vmcnt(0) //ensure data ready
|
||||
v_mov_b32 v0, v0 //v[0+m0] = v0
|
||||
s_add_u32 m0, m0, 1 //next vgpr index
|
||||
s_add_u32 s_restore_mem_offset, s_restore_mem_offset, 256 //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
|
||||
|
||||
|
||||
/* restore ACC_VGPRs */
|
||||
//////////////////////////////
|
||||
L_RESTORE_ACC_VGPR:
|
||||
|
||||
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
|
||||
s_mov_b32 m0, 0 //VGPR initial index value = 0
|
||||
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_ACC_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
|
||||
end
|
||||
s_waitcnt vmcnt(0) //ensure data ready
|
||||
v_accvgpr_write v0, v0 //v[0+m0] = v0
|
||||
s_add_u32 m0, m0, 1 //next vgpr index
|
||||
s_add_u32 s_restore_mem_offset, s_restore_mem_offset, 256 //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_ACC_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
|
||||
end
|
||||
|
||||
/* restore 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
|
||||
read_sgpr_from_mem(s_restore_tmp, s_restore_buf_rsrc0, s_restore_mem_offset, SGPR_SAVE_USE_SQC) //save s0 to s_restore_tmp
|
||||
s_mov_b32 m0, 0x1 //SGPR initial index value =1 //go on with with s1
|
||||
|
||||
L_RESTORE_SGPR_LOOP:
|
||||
read_sgpr_from_mem(s0, s_restore_buf_rsrc0, s_restore_mem_offset, SGPR_SAVE_USE_SQC) //PV: further performance improvement can be made
|
||||
s_waitcnt lgkmcnt(0) //ensure data ready
|
||||
s_movreld_b32 s0, s0 //s[0+m0] = s0
|
||||
s_nop 0 // hazard SALU M0=> S_MOVREL
|
||||
s_add_u32 m0, m0, 1 //next sgpr index
|
||||
s_cmp_lt_u32 m0, s_restore_alloc_size //scc = (m0 < s_restore_alloc_size) ? 1 : 0
|
||||
s_cbranch_scc1 L_RESTORE_SGPR_LOOP //SGPR restore (except s0) is complete?
|
||||
s_mov_b32 s0, s_restore_tmp /* SGPR restore on s0 */
|
||||
|
||||
/* restore HW registers */
|
||||
//////////////////////////////
|
||||
L_RESTORE_HWREG:
|
||||
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_sgpr_from_mem(s_restore_m0, s_restore_buf_rsrc0, s_restore_mem_offset, SGPR_SAVE_USE_SQC) //M0
|
||||
read_sgpr_from_mem(s_restore_pc_lo, s_restore_buf_rsrc0, s_restore_mem_offset, SGPR_SAVE_USE_SQC) //PC
|
||||
read_sgpr_from_mem(s_restore_pc_hi, s_restore_buf_rsrc0, s_restore_mem_offset, SGPR_SAVE_USE_SQC)
|
||||
read_sgpr_from_mem(s_restore_exec_lo, s_restore_buf_rsrc0, s_restore_mem_offset, SGPR_SAVE_USE_SQC) //EXEC
|
||||
read_sgpr_from_mem(s_restore_exec_hi, s_restore_buf_rsrc0, s_restore_mem_offset, SGPR_SAVE_USE_SQC)
|
||||
read_sgpr_from_mem(s_restore_status, s_restore_buf_rsrc0, s_restore_mem_offset, SGPR_SAVE_USE_SQC) //STATUS
|
||||
read_sgpr_from_mem(s_restore_trapsts, s_restore_buf_rsrc0, s_restore_mem_offset, SGPR_SAVE_USE_SQC) //TRAPSTS
|
||||
read_sgpr_from_mem(xnack_mask_lo, s_restore_buf_rsrc0, s_restore_mem_offset, SGPR_SAVE_USE_SQC) //XNACK_MASK_LO
|
||||
read_sgpr_from_mem(xnack_mask_hi, s_restore_buf_rsrc0, s_restore_mem_offset, SGPR_SAVE_USE_SQC) //XNACK_MASK_HI
|
||||
read_sgpr_from_mem(s_restore_mode, s_restore_buf_rsrc0, s_restore_mem_offset, SGPR_SAVE_USE_SQC) //MODE
|
||||
|
||||
s_waitcnt lgkmcnt(0) //from now on, it is safe to restore STATUS and IB_STS
|
||||
|
||||
s_mov_b32 s_restore_tmp, s_restore_pc_hi
|
||||
s_and_b32 s_restore_pc_hi, s_restore_tmp, 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_tmp, 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_mode, 0x0 //IB_STS is zero
|
||||
s_or_b32 s_restore_mode, s_restore_mode, s_restore_m0
|
||||
s_and_b32 s_restore_m0, s_restore_tmp, 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_mode, s_restore_mode, 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_mode
|
||||
|
||||
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
|
||||
|
||||
s_barrier //barrier to ensure the readiness of LDS before access attemps from any other wave in the same TG //FIXME not performance-optimal at this time
|
||||
|
||||
|
||||
// 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 */
|
||||
/**************************************************************************/
|
||||
|
||||
function write_sgpr_to_mem(s, s_rsrc, s_mem_offset, use_sqc, use_mtbuf)
|
||||
if (use_sqc)
|
||||
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
|
||||
elsif (use_mtbuf)
|
||||
v_mov_b32 v0, s
|
||||
tbuffer_store_format_x v0, v0, s_rsrc, s_mem_offset format:BUF_NUM_FORMAT_FLOAT format: BUF_DATA_FORMAT_32 slc:1 glc:1
|
||||
s_add_u32 s_mem_offset, s_mem_offset, 256
|
||||
else
|
||||
v_mov_b32 v0, s
|
||||
buffer_store_dword v0, v0, s_rsrc, s_mem_offset slc:1 glc:1
|
||||
s_add_u32 s_mem_offset, s_mem_offset, 256
|
||||
end
|
||||
end
|
||||
|
||||
|
||||
|
||||
function read_sgpr_from_mem(s, s_rsrc, s_mem_offset, use_sqc)
|
||||
s_buffer_load_dword s, s_rsrc, s_mem_offset glc:1
|
||||
if (use_sqc)
|
||||
s_add_u32 s_mem_offset, s_mem_offset, 4
|
||||
else
|
||||
s_add_u32 s_mem_offset, s_mem_offset, 256
|
||||
end
|
||||
end
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
@ -553,6 +553,10 @@ static void kfd_cwsr_init(struct kfd_dev *kfd)
|
||||
BUILD_BUG_ON(sizeof(cwsr_trap_gfx8_hex) > PAGE_SIZE);
|
||||
kfd->cwsr_isa = cwsr_trap_gfx8_hex;
|
||||
kfd->cwsr_isa_size = sizeof(cwsr_trap_gfx8_hex);
|
||||
} else if (kfd->device_info->asic_family == CHIP_ARCTURUS) {
|
||||
BUILD_BUG_ON(sizeof(cwsr_trap_arcturus_hex) > PAGE_SIZE);
|
||||
kfd->cwsr_isa = cwsr_trap_arcturus_hex;
|
||||
kfd->cwsr_isa_size = sizeof(cwsr_trap_arcturus_hex);
|
||||
} else if (kfd->device_info->asic_family < CHIP_NAVI10) {
|
||||
BUILD_BUG_ON(sizeof(cwsr_trap_gfx9_hex) > PAGE_SIZE);
|
||||
kfd->cwsr_isa = cwsr_trap_gfx9_hex;
|
||||
|
||||
Loading…
Reference in New Issue
Block a user