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optimize startup routine

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This commit is contained in:
Blaise Tine 2021-08-02 16:06:54 -07:00
parent 91d4419fae
commit 74227f8cdf
1 changed files with 3 additions and 4 deletions
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7
runtime/src/vx_start.S
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@ -70,14 +70,13 @@ vx_set_sp:
# allocate stack region for a threads on the processor
# set stack pointer
la sp, __stack_top # load stack base address
la a1, __stack_size # stack size
li sp, SMEM_BASE_ADDR # load stack base address
#if SM_ENABLE
csrr a2, CSR_LTID # get lobal thread id
csrr a2, CSR_LTID # get local thread id
#else
csrr a2, CSR_GTID # get global thread id
#endif
mul a1, a1, a2
slli a1, a2, STACK_LOG2_SIZE
sub sp, sp, a1 # sub thread block
# disable active warps except warp0