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3 Commits

Author SHA1 Message Date
Anup Patel
dc7be34d52 include: Move RISCV_TRAP_REGS_xyz defines to sbi_trap.h 
The struct sbi_trap_regs related defines RISCV_TRAP_REGS_xyz should
be in sbi_trap.h so that we can keep these defines in-sync with changes
in struct sbi_trap_regs.

Signed-off-by: Anup Patel <anup.patel@wdc.com>
 2019-01-02 09:57:12 +05:30
Anup Patel
5959312a5c lib: Redirect illegal instruction trap to S-mode when not handled 
Currently, we fail with error SBI_ENOTSUPP when we are not able
to handle illegal instruction trap. Instead, we should just
redirect illegal instruction trap to S-mode when not handled.

This redirection of illegal instruction trap will help lazy
save/restore of floating point registers to work correctly in
Linux kernel.

Signed-off-by: Anup Patel <anup.patel@wdc.com>
 2018-12-31 09:28:26 +05:30
Anup Patel
9e8ff05cb6 Initial commit. 
Signed-off-by: Anup Patel <anup.patel@wdc.com>
 2018-12-11 19:24:06 +05:30