Message ID | d32a88fc0506a7bc1cae31c2fdf1448d2469e9d3.1555727081.git.alistair.francis@wdc.com |
---|---|
State | New |
Headers | show
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X-Received-From: 216.71.153.144 Subject: [Qemu-devel] [PATCH v1 3/8] target/riscv: Improve the scause logic X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: <qemu-devel.nongnu.org> List-Unsubscribe: <https://lists.nongnu.org/mailman/options/qemu-devel>, <mailto:qemu-devel-request@nongnu.org?subject=unsubscribe> List-Archive: <http://lists.nongnu.org/archive/html/qemu-devel/> List-Post: <mailto:qemu-devel@nongnu.org> List-Help: <mailto:qemu-devel-request@nongnu.org?subject=help> List-Subscribe: <https://lists.nongnu.org/mailman/listinfo/qemu-devel>, <mailto:qemu-devel-request@nongnu.org?subject=subscribe> Cc: "alistair23@gmail.com" <alistair23@gmail.com>, "palmer@sifive.com" <palmer@sifive.com>, Alistair Francis <Alistair.Francis@wdc.com> Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" <qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org> |
Series |
RISC-V: Add some prep patches for the Hypervisor
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expand
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diff --git a/target/riscv/cpu_helper.c b/target/riscv/cpu_helper.c index 582d58aad9..e7d9dd95cc 100644 --- a/target/riscv/cpu_helper.c +++ b/target/riscv/cpu_helper.c @@ -525,7 +525,7 @@ void riscv_cpu_do_interrupt(CPUState *cs) s = set_field(s, MSTATUS_SPP, env->priv); s = set_field(s, MSTATUS_SIE, 0); env->mstatus = s; - env->scause = cause | ~(((target_ulong)-1) >> async); + env->scause = cause | ((target_ulong)async << (TARGET_LONG_BITS - 1)); env->sepc = env->pc; env->sbadaddr = tval; env->pc = (env->stvec >> 2 << 2) +
No functional change, just making the code easier to read. Signed-off-by: Alistair Francis <alistair.francis@wdc.com> --- target/riscv/cpu_helper.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)