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| author | Anup Patel <anup.patel@wdc.com> | 2019-08-18 10:44:44 +0300 |
|---|---|---|
| committer | Anup Patel <anup@brainfault.org> | 2019-09-30 13:06:14 +0300 |
| commit | 1e9f88889f8b7c66dd229299715eed87e734aafa (patch) | |
| tree | 8c1619786e090dfc7cbb57223ac3edda86607ec5 /include/sbi/sbi_emulate_csr.h | |
| parent | 7d4420bd6929ef3f2c761c262dbc3f7f2ae150c2 (diff) | |
| download | opensbi-1e9f88889f8b7c66dd229299715eed87e734aafa.tar.xz | |
lib: Emulate HTIMEDELTA CSR for platforms not having TIME CSR
For platforms not having TIME CSR, we trap-n-emulate TIME CSR
read/write in OpenSBI. Same rationale applies to HTIMEDELTA CSR
as well so we trap-n-emulate HTIMEDELTA CSR for platforms not
having TIME CSR.
Signed-off-by: Anup Patel <anup.patel@wdc.com>
Diffstat (limited to 'include/sbi/sbi_emulate_csr.h')
| -rw-r--r-- | include/sbi/sbi_emulate_csr.h | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/include/sbi/sbi_emulate_csr.h b/include/sbi/sbi_emulate_csr.h index 5d1755f..fe357e5 100644 --- a/include/sbi/sbi_emulate_csr.h +++ b/include/sbi/sbi_emulate_csr.h @@ -12,12 +12,13 @@ #include <sbi/sbi_types.h> +struct sbi_trap_regs; struct sbi_scratch; -int sbi_emulate_csr_read(int csr_num, u32 hartid, ulong mstatus, +int sbi_emulate_csr_read(int csr_num, u32 hartid, struct sbi_trap_regs *regs, struct sbi_scratch *scratch, ulong *csr_val); -int sbi_emulate_csr_write(int csr_num, u32 hartid, ulong mstatus, +int sbi_emulate_csr_write(int csr_num, u32 hartid, struct sbi_trap_regs *regs, struct sbi_scratch *scratch, ulong csr_val); #endif |