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target/ppc: Add support for scv and rfscv instructions

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POWER9 adds scv and rfscv instructions and the system call vectored
interrupt. Linux does not support this instruction yet but it has
been tested with a modified kernel that runs on real hardware.

Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Message-Id: <20200507115328.789175-1-npiggin@gmail.com>
[dwg: Corrected an overlong line]
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This commit is contained in:
Nicholas Piggin 2020-05-07 21:53:28 +10:00 • committed by David Gibson
parent ececb880d6
commit 3c89b8d6ac
6 changed files with 133 additions and 30 deletions
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1
linux-user/ppc/cpu_loop.c
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@ -267,6 +267,7 @@ void cpu_loop(CPUPPCState *env)
queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info);
break;
case POWERPC_EXCP_SYSCALL: /* System call exception */
case POWERPC_EXCP_SYSCALL_VECTORED:
cpu_abort(cs, "Syscall exception while in user mode. "
"Aborting\n");
break;