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Proper SIMT with fine-grain scheduler implemented

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felsabbagh3
2019-05-10 00:49:54 -07:00
parent 96dac5e1ce
commit 48468ed26a
27 changed files with 6080 additions and 3375 deletions
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10
kernel/vx_os/vx_back/vx_back.s
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@@ -6,7 +6,7 @@
.type _start, @function
.global _start
_start:
li a0, 1 # Num Warps
li a0, 2 # Num Warps
csrw 0x20, a0 # Setting the number of available warps
li a0, 2 # Num Threads
csrw 0x21, a0 # Setting the number of available threads
@@ -31,11 +31,17 @@ loop_cond:
loop_body:
addi sp,sp,-2048 # Allocate 2k stack for new thread
mv t1, a0 # #lane = i
.word 0x3506b # clone register state
.word 0x3506b # clone register state
loop_inc:
addi a0, a0, 1
j loop_cond
loop_done:
nop
nop
nop
nop
nop
nop
mv sp,t5 # Restoring the stack
li a0,0 # setting tid = 0 for main thread
mv t6,a2 # setting func_addr