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riscv: init FPU in s-mode

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Fixes omission of initializing the FPU during shared boot
in s-mode.
This commit is contained in:
Gedare Bloom
2026-03-19 08:58:58 -06:00
committed by Kinsey Moore
parent 485efbd418
commit eeee01453d
1 changed files with 6 additions and 1 deletions
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7
bsps/riscv/shared/start/start.S
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@@ -134,9 +134,14 @@ RISCV_Start_on_processor:
#endif #endif
/* Init FPU */ /* Init FPU */
#if defined( __riscv_flen ) && !defined( RISCV_USE_S_MODE ) #if defined( __riscv_flen )
#if defined( RISCV_USE_S_MODE )
li t0, SSTATUS_FS
csrs sstatus, t0
#else
li t0, MSTATUS_FS li t0, MSTATUS_FS
csrs mstatus, t0 csrs mstatus, t0
#endif
csrw fcsr, zero csrw fcsr, zero
#endif #endif