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core/naxriscv provide a deployable NaxRiscv SMP #1776

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merged 14 commits into from
Sep 18, 2023
Merged

core/naxriscv provide a deployable NaxRiscv SMP #1776

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8302cf2
got nax 2 cores to run linux
Dolu1990 Aug 18, 2023
8f7f97a
fix plic/clint regions + dts
Dolu1990 Aug 18, 2023
a4498dc
nax dma wip, WARNING soc.py
Dolu1990 Aug 28, 2023
943d652
cores/naxriscv match axi width
Dolu1990 Sep 5, 2023
72447a1
Merge remote-tracking branch 'origin/master' into nax-smp
Dolu1990 Sep 5, 2023
5e0b896
Provide a deployable naxriscv SMP
Dolu1990 Sep 13, 2023
d40d76f
fix indent
Dolu1990 Sep 13, 2023
50b9f44
make naxriscv dma optional again
Dolu1990 Sep 13, 2023
b160507
core/naxriscv add rvls git
Dolu1990 Sep 13, 2023
2e4ebc8
core/naxriscv git fix attempt
Dolu1990 Sep 13, 2023
e8ed93c
core/naxriscv git fix attempt
Dolu1990 Sep 13, 2023
e2c3a50
core/naxriscv allow memory less gen
Dolu1990 Sep 13, 2023
51592df
debug
Dolu1990 Sep 14, 2023
ff3318b
Update litex_setup.py with naxriscv smp
Dolu1990 Sep 14, 2023
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13 changes: 12 additions & 1 deletion litex/soc/cores/cpu/naxriscv/boot-helper.S
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Original file line number Diff line number Diff line change
@@ -1,4 +1,15 @@
.section .text, "ax", @progbits
.global boot_helper
.global boot_helper
.global smp_lottery_target
.global smp_lottery_lock
.global smp_lottery_args

boot_helper:
sw x10, smp_lottery_args , x14
sw x11, smp_lottery_args+4, x14
sw x12, smp_lottery_args+8, x14
sw x13, smp_lottery_target, x14
fence w, w
li x15, 1
sw x15, smp_lottery_lock, x14
jr x13
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