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lib: Extend trap redirection for hypervisor v0.5 spec

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The hypervisor v0.5 spec introduces two new CSRs for both M-mode
and HS-mode which need to be considered when redirecting traps
hence this patch.

Signed-off-by: Anup Patel <anup.patel@wdc.com>
This commit is contained in:
Anup Patel
2019-12-12 22:23:30 +05:30
committed by Anup Patel
parent 086dbdfc92
commit 2be424bd28
7 changed files with 49 additions and 29 deletions
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2
lib/sbi/sbi_hart.c
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@@ -277,7 +277,6 @@ sbi_hart_switch_mode(unsigned long arg0, unsigned long arg1,
#if __riscv_xlen == 32
if (misa_extension('H')) {
valH = csr_read(CSR_MSTATUSH);
valH = INSERT_FIELD(valH, MSTATUSH_MTL, 0);
if (next_virt)
valH = INSERT_FIELD(valH, MSTATUSH_MPV, 1);
else
@@ -286,7 +285,6 @@ sbi_hart_switch_mode(unsigned long arg0, unsigned long arg1,
}
#else
if (misa_extension('H')) {
val = INSERT_FIELD(val, MSTATUS_MTL, 0);
if (next_virt)
val = INSERT_FIELD(val, MSTATUS_MPV, 1);
else