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multicore fix

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This commit is contained in:
Blaise Tine
2020-05-10 08:30:04 -04:00
parent 359601cfd3
commit cc84e0691c
40 changed files with 27930 additions and 28148 deletions
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13
runtime/startup/vx_start.S
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@@ -5,7 +5,7 @@
.type _start, @function
_start:
la a1, vx_set_sp
li a0, NUM_WARPS # activate all warps
csrr a0, CSR_NW # get num warps
.word 0x00b5106b # wspawn a0(numWarps), a1(PC SPAWN)
jal vx_set_sp
li a0, 1
@@ -32,12 +32,11 @@ _exit:
li a0, 0
.word 0x0005006b # disable all threads
.section .text
.type vx_set_sp, @function
.global vx_set_sp
vx_set_sp:
li a0, NUM_THREADS
csrr a0, CSR_NT # get num threads
.word 0x0005006b # activate all threads
.option push
@@ -46,10 +45,10 @@ vx_set_sp:
addi gp, gp, %pcrel_lo(1b)
.option pop
csrr a1, CSR_GTID # get gtid
slli a1, a1, 10 # multiply tid by 1024
csrr a2, CSR_LTID # get tid
slli a2, a2, 2 # multiply tid by 4
csrr a1, CSR_GTID # get global thread id
slli a1, a1, 10 # multiply by 1024
csrr a2, CSR_LTID # get local thread id
slli a2, a2, 2 # multiply by 4
lui sp, STACK_BASE_ADDR # load base sp
sub sp, sp, a1 # sub thread block
add sp, sp, a2 # reduce addr collision for perf