diff options
Diffstat (limited to 'hw/misc/sifive_u_otp.c')
| -rw-r--r-- | hw/misc/sifive_u_otp.c | 31 |
1 files changed, 23 insertions, 8 deletions
diff --git a/hw/misc/sifive_u_otp.c b/hw/misc/sifive_u_otp.c index 4401787a5c..f921c67644 100644 --- a/hw/misc/sifive_u_otp.c +++ b/hw/misc/sifive_u_otp.c @@ -63,8 +63,13 @@ static uint64_t sifive_u_otp_read(void *opaque, hwaddr addr, unsigned int size) if (s->blk) { int32_t buf; - blk_pread(s->blk, s->pa * SIFIVE_U_OTP_FUSE_WORD, &buf, - SIFIVE_U_OTP_FUSE_WORD); + if (blk_pread(s->blk, s->pa * SIFIVE_U_OTP_FUSE_WORD, &buf, + SIFIVE_U_OTP_FUSE_WORD) < 0) { + qemu_log_mask(LOG_GUEST_ERROR, + "read error index<%d>\n", s->pa); + return 0xff; + } + return buf; } @@ -161,8 +166,12 @@ static void sifive_u_otp_write(void *opaque, hwaddr addr, /* write to backend */ if (s->blk) { - blk_pwrite(s->blk, s->pa * SIFIVE_U_OTP_FUSE_WORD, - &s->fuse[s->pa], SIFIVE_U_OTP_FUSE_WORD, 0); + if (blk_pwrite(s->blk, s->pa * SIFIVE_U_OTP_FUSE_WORD, + &s->fuse[s->pa], SIFIVE_U_OTP_FUSE_WORD, + 0) < 0) { + qemu_log_mask(LOG_GUEST_ERROR, + "write error index<%d>\n", s->pa); + } } /* update written bit */ @@ -249,12 +258,18 @@ static void sifive_u_otp_reset(DeviceState *dev) int index = SIFIVE_U_OTP_SERIAL_ADDR; serial_data = s->serial; - blk_pwrite(s->blk, index * SIFIVE_U_OTP_FUSE_WORD, - &serial_data, SIFIVE_U_OTP_FUSE_WORD, 0); + if (blk_pwrite(s->blk, index * SIFIVE_U_OTP_FUSE_WORD, + &serial_data, SIFIVE_U_OTP_FUSE_WORD, 0) < 0) { + qemu_log_mask(LOG_GUEST_ERROR, + "write error index<%d>\n", index); + } serial_data = ~(s->serial); - blk_pwrite(s->blk, (index + 1) * SIFIVE_U_OTP_FUSE_WORD, - &serial_data, SIFIVE_U_OTP_FUSE_WORD, 0); + if (blk_pwrite(s->blk, (index + 1) * SIFIVE_U_OTP_FUSE_WORD, + &serial_data, SIFIVE_U_OTP_FUSE_WORD, 0) < 0) { + qemu_log_mask(LOG_GUEST_ERROR, + "write error index<%d>\n", index + 1); + } } /* Initialize write-once map */ |