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lib: sbi_misaligned_ldst: Add handling of vector load/store

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Add misaligned load/store handling for the vector extension
to the sbi_misaligned_ldst library.

This implementation is inspired from the misaligned_vec_ldst
implementation in the riscv-pk project.

Co-developed-by: Zong Li <zong.li@sifive.com>
Signed-off-by: Zong Li <zong.li@sifive.com>
Signed-off-by: Nylon Chen <nylon.chen@sifive.com>
Reviewed-by: Andy Chiu <andy.chiu@sifive.com>
Reviewed-by: Anup Patel <anup@brainfault.org>
This commit is contained in:
Nylon Chen
2024-12-06 11:21:49 +08:00
committed by Anup Patel
parent c5a8b15e39
commit c2acc5e5b0
6 changed files with 760 additions and 12 deletions
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9
include/sbi/sbi_trap_ldst.h
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@@ -30,4 +30,13 @@ int sbi_store_access_handler(struct sbi_trap_context *tcntx);
int sbi_double_trap_handler(struct sbi_trap_context *tcntx);
ulong sbi_misaligned_tinst_fixup(ulong orig_tinst, ulong new_tinst,
ulong addr_offset);
int sbi_misaligned_v_ld_emulator(int rlen, union sbi_ldst_data *out_val,
struct sbi_trap_context *tcntx);
int sbi_misaligned_v_st_emulator(int wlen, union sbi_ldst_data in_val,
struct sbi_trap_context *tcntx);
#endif