diff options
| -rw-r--r-- | lib/sbi/sbi_hsm.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/lib/sbi/sbi_hsm.c b/lib/sbi/sbi_hsm.c index 7e32af37..3706acfb 100644 --- a/lib/sbi/sbi_hsm.c +++ b/lib/sbi/sbi_hsm.c @@ -423,10 +423,12 @@ void __sbi_hsm_suspend_non_ret_save(struct sbi_scratch *scratch) hdata->saved_mie = csr_read(CSR_MIE); hdata->saved_mip = csr_read(CSR_MIP) & (MIP_SSIP | MIP_STIP); hdata->saved_medeleg = csr_read(CSR_MEDELEG); + if (sbi_hart_priv_version(scratch) >= SBI_HART_PRIV_VER_1_12) { #if __riscv_xlen == 32 - hdata->saved_menvcfgh = csr_read(CSR_MENVCFGH); + hdata->saved_menvcfgh = csr_read(CSR_MENVCFGH); #endif - hdata->saved_menvcfg = csr_read(CSR_MENVCFG); + hdata->saved_menvcfg = csr_read(CSR_MENVCFG); + } } static void __sbi_hsm_suspend_non_ret_restore(struct sbi_scratch *scratch) @@ -434,10 +436,12 @@ static void __sbi_hsm_suspend_non_ret_restore(struct sbi_scratch *scratch) struct sbi_hsm_data *hdata = sbi_scratch_offset_ptr(scratch, hart_data_offset); - csr_write(CSR_MENVCFG, hdata->saved_menvcfg); + if (sbi_hart_priv_version(scratch) >= SBI_HART_PRIV_VER_1_12) { + csr_write(CSR_MENVCFG, hdata->saved_menvcfg); #if __riscv_xlen == 32 - csr_write(CSR_MENVCFGH, hdata->saved_menvcfgh); + csr_write(CSR_MENVCFGH, hdata->saved_menvcfgh); #endif + } csr_write(CSR_MEDELEG, hdata->saved_medeleg); csr_write(CSR_MIE, hdata->saved_mie); csr_set(CSR_MIP, (hdata->saved_mip & (MIP_SSIP | MIP_STIP))); |