diff options
| author | Samuel Holland <samuel.holland@sifive.com> | 2025-09-07 22:56:40 -0700 |
|---|---|---|
| committer | Anup Patel <anup@brainfault.org> | 2025-09-16 10:03:53 +0530 |
| commit | d9afef57b70689f5fb6b081b64e7c4aba5ea539e (patch) | |
| tree | 72b1ec61ae190a11756094257307a4f56cb31029 | |
| parent | f04ae48263533503a0432e6a7ba31cc20518c310 (diff) | |
| download | opensbi-master.zip opensbi-master.tar.gz opensbi-master.tar.bz2 | |
Simplify the code and remove preprocessor checks by treating menvcfg and
menvcfgh together as one 64-bit value.
Signed-off-by: Samuel Holland <samuel.holland@sifive.com>
Reviewed-by: Anup Patel <anup@brainfault.org>
Link: https://lore.kernel.org/r/20250908055646.2391370-3-samuel.holland@sifive.com
Signed-off-by: Anup Patel <anup@brainfault.org>
| -rw-r--r-- | lib/sbi/sbi_hsm.c | 21 |
1 files changed, 5 insertions, 16 deletions
diff --git a/lib/sbi/sbi_hsm.c b/lib/sbi/sbi_hsm.c index 8ec94d2..bb274b3 100644 --- a/lib/sbi/sbi_hsm.c +++ b/lib/sbi/sbi_hsm.c @@ -48,10 +48,7 @@ struct sbi_hsm_data { unsigned long saved_mip; unsigned long saved_medeleg; unsigned long saved_mideleg; - unsigned long saved_menvcfg; -#if __riscv_xlen == 32 - unsigned long saved_menvcfgh; -#endif + u64 saved_menvcfg; atomic_t start_ticket; }; @@ -431,12 +428,8 @@ void __sbi_hsm_suspend_non_ret_save(struct sbi_scratch *scratch) hdata->saved_mip = csr_read(CSR_MIP) & (MIP_SSIP | MIP_STIP); hdata->saved_medeleg = csr_read(CSR_MEDELEG); hdata->saved_mideleg = csr_read(CSR_MIDELEG); - if (sbi_hart_priv_version(scratch) >= SBI_HART_PRIV_VER_1_12) { -#if __riscv_xlen == 32 - hdata->saved_menvcfgh = csr_read(CSR_MENVCFGH); -#endif - hdata->saved_menvcfg = csr_read(CSR_MENVCFG); - } + if (sbi_hart_priv_version(scratch) >= SBI_HART_PRIV_VER_1_12) + hdata->saved_menvcfg = csr_read64(CSR_MENVCFG); } static void __sbi_hsm_suspend_non_ret_restore(struct sbi_scratch *scratch) @@ -444,12 +437,8 @@ 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); - 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); -#endif - } + if (sbi_hart_priv_version(scratch) >= SBI_HART_PRIV_VER_1_12) + csr_write64(CSR_MENVCFG, hdata->saved_menvcfg); csr_write(CSR_MIDELEG, hdata->saved_mideleg); csr_write(CSR_MEDELEG, hdata->saved_medeleg); csr_write(CSR_MIE, hdata->saved_mie); |