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target/riscv: Only support little endian guests
author
Alistair Francis
<alistair.francis@wdc.com>
Wed, 12 Aug 2020 19:13:41 +0000
(12:13 -0700)
committer
Alistair Francis
<alistair.francis@wdc.com>
Tue, 25 Aug 2020 16:11:36 +0000
(09:11 -0700)
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Message-id:
93e5d4f13eca0d2a588e407187f33c6437aeaaf9
.
1597259519
.git.alistair.francis@wdc.com
Message-Id: <
93e5d4f13eca0d2a588e407187f33c6437aeaaf9
.
1597259519
.git.alistair.francis@wdc.com>
target/riscv/csr.c
patch
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diff --git
a/target/riscv/csr.c
b/target/riscv/csr.c
index
390ef78
..
5e50683
100644
(file)
--- a/
target/riscv/csr.c
+++ b/
target/riscv/csr.c
@@
-840,6
+840,8
@@
static int read_hstatus(CPURISCVState *env, int csrno, target_ulong *val)
/* We only support 64-bit VSXL */
*val = set_field(*val, HSTATUS_VSXL, 2);
#endif
+ /* We only support little endian */
+ *val = set_field(*val, HSTATUS_VSBE, 0);
return 0;
}
@@
-851,6
+853,9
@@
static int write_hstatus(CPURISCVState *env, int csrno, target_ulong val)
qemu_log_mask(LOG_UNIMP, "QEMU does not support mixed HSXLEN options.");
}
#endif
+ if (get_field(val, HSTATUS_VSBE) != 0) {
+ qemu_log_mask(LOG_UNIMP, "QEMU does not support big endian guests.");
+ }
return 0;
}