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Diffstat (limited to 'lib/sbi/sbi_misaligned_ldst.c')
-rw-r--r--lib/sbi/sbi_misaligned_ldst.c16
1 files changed, 14 insertions, 2 deletions
diff --git a/lib/sbi/sbi_misaligned_ldst.c b/lib/sbi/sbi_misaligned_ldst.c
index 7f911c3..1c4e5df 100644
--- a/lib/sbi/sbi_misaligned_ldst.c
+++ b/lib/sbi/sbi_misaligned_ldst.c
@@ -41,12 +41,14 @@ int sbi_misaligned_load_handler(u32 hartid, ulong mcause,
} else if ((insn & INSN_MASK_LWU) == INSN_MATCH_LWU) {
len = 4;
#endif
+#ifdef __riscv_flen
} else if ((insn & INSN_MASK_FLD) == INSN_MATCH_FLD) {
fp = 1;
len = 8;
} else if ((insn & INSN_MASK_FLW) == INSN_MATCH_FLW) {
fp = 1;
len = 4;
+#endif
} else if ((insn & INSN_MASK_LH) == INSN_MATCH_LH) {
len = 2;
shift = 8 * (sizeof(ulong) - len);
@@ -71,6 +73,7 @@ int sbi_misaligned_load_handler(u32 hartid, ulong mcause,
((insn >> SH_RD) & 0x1f)) {
len = 4;
shift = 8 * (sizeof(ulong) - len);
+#ifdef __riscv_flen
} else if ((insn & INSN_MASK_C_FLD) == INSN_MATCH_C_FLD) {
fp = 1;
len = 8;
@@ -88,8 +91,10 @@ int sbi_misaligned_load_handler(u32 hartid, ulong mcause,
len = 4;
#endif
#endif
+#endif
} else
- return SBI_EILL;
+ return sbi_trap_redirect(regs, scratch, regs->mepc,
+ mcause, addr);
val.data_u64 = 0;
for (i = 0; i < len; i++) {
@@ -104,10 +109,12 @@ int sbi_misaligned_load_handler(u32 hartid, ulong mcause,
if (!fp)
SET_RD(insn, regs, val.data_ulong << shift >> shift);
+#ifdef __riscv_flen
else if (len == 8)
SET_F64_RD(insn, regs, val.data_u64);
else
SET_F32_RD(insn, regs, val.data_ulong);
+#endif
regs->mepc += INSN_LEN(insn);
@@ -132,12 +139,14 @@ int sbi_misaligned_store_handler(u32 hartid, ulong mcause,
} else if ((insn & INSN_MASK_SD) == INSN_MATCH_SD) {
len = 8;
#endif
+#ifdef __riscv_flen
} else if ((insn & INSN_MASK_FSD) == INSN_MATCH_FSD) {
len = 8;
val.data_u64 = GET_F64_RS2(insn, regs);
} else if ((insn & INSN_MASK_FSW) == INSN_MATCH_FSW) {
len = 4;
val.data_ulong = GET_F32_RS2(insn, regs);
+#endif
} else if ((insn & INSN_MASK_SH) == INSN_MATCH_SH) {
len = 2;
#ifdef __riscv_compressed
@@ -157,6 +166,7 @@ int sbi_misaligned_store_handler(u32 hartid, ulong mcause,
((insn >> SH_RD) & 0x1f)) {
len = 4;
val.data_ulong = GET_RS2C(insn, regs);
+#ifdef __riscv_flen
} else if ((insn & INSN_MASK_C_FSD) == INSN_MATCH_C_FSD) {
len = 8;
val.data_u64 = GET_F64_RS2S(insn, regs);
@@ -172,8 +182,10 @@ int sbi_misaligned_store_handler(u32 hartid, ulong mcause,
val.data_ulong = GET_F32_RS2C(insn, regs);
#endif
#endif
+#endif
} else
- return SBI_EILL;
+ return sbi_trap_redirect(regs, scratch, regs->mepc,
+ mcause, addr);
for (i = 0; i < len; i++) {
store_u8((void *)(addr + i), val.data_bytes[i],