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| author | gagachang <vivahavey@gmail.com> | 2022-07-15 01:29:41 +0800 |
|---|---|---|
| committer | Anup Patel <anup@brainfault.org> | 2022-07-20 10:05:33 +0530 |
| commit | 0374ccf3f13e11f98da8158d9a5fa2a8607fe50e (patch) | |
| tree | 67f14c694088575d62b8f6aab2a3cff0f94df8e2 /lib/sbi/sbi_hart.c | |
| parent | caa5eeacacbc935090968e601716f66a6195ceef (diff) | |
| download | opensbi-0374ccf3f13e11f98da8158d9a5fa2a8607fe50e.zip opensbi-0374ccf3f13e11f98da8158d9a5fa2a8607fe50e.tar.gz opensbi-0374ccf3f13e11f98da8158d9a5fa2a8607fe50e.tar.bz2 | |
lib: sbi_hart: Shorten the code to set MPV bit
MPV bit is set when the value of next_virt boolean variable equals
true. Since the value of next_virt is either 0 or 1, we can set
MPV bit without if-else logic.
Signed-off-by: Che-Chia Chang <alvinga@andestech.com>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Reviewed-by: Anup Patel <anup@brainfault.org>
Diffstat (limited to 'lib/sbi/sbi_hart.c')
| -rw-r--r-- | lib/sbi/sbi_hart.c | 13 |
1 files changed, 3 insertions, 10 deletions
diff --git a/lib/sbi/sbi_hart.c b/lib/sbi/sbi_hart.c index de86fee..67b685a 100644 --- a/lib/sbi/sbi_hart.c +++ b/lib/sbi/sbi_hart.c @@ -769,19 +769,12 @@ sbi_hart_switch_mode(unsigned long arg0, unsigned long arg1, #if __riscv_xlen == 32 if (misa_extension('H')) { valH = csr_read(CSR_MSTATUSH); - if (next_virt) - valH = INSERT_FIELD(valH, MSTATUSH_MPV, 1); - else - valH = INSERT_FIELD(valH, MSTATUSH_MPV, 0); + valH = INSERT_FIELD(valH, MSTATUSH_MPV, next_virt); csr_write(CSR_MSTATUSH, valH); } #else - if (misa_extension('H')) { - if (next_virt) - val = INSERT_FIELD(val, MSTATUS_MPV, 1); - else - val = INSERT_FIELD(val, MSTATUS_MPV, 0); - } + if (misa_extension('H')) + val = INSERT_FIELD(val, MSTATUS_MPV, next_virt); #endif csr_write(CSR_MSTATUS, val); csr_write(CSR_MEPC, next_addr); |