qemu calls this ioctl on ppc64 as:
sysdeps/unix/sysv/linux/powerpc/ioctl.c
result = INLINE_SYSCALL (ioctl, 3, fd, request, arg);
The mapping of macros in sysdeps/unix/sysv/linux/powerpc/sysdep.h seems to be:
INTERNAL_SYSCALL -> INTERNAL_SYSCALL_NCS -> TRY_SYSCALL_SCV -> SYSCALL_SCV
76 #define SYSCALL_SCV(nr) \
77 ({ \
78 __asm__ __volatile__ \
79 (".machine \"push\"\n\t" \
80 ".machine \"power9\"\n\t" \
81 "scv 0\n\t" \
82 ".machine \"pop\"\n\t" \
83 "0:" \
84 : "=&r" (r0), \
85 "=&r" (r3), "=&r" (r4), "=&r" (r5), \
86 "=&r" (r6), "=&r" (r7), "=&r" (r8) \
87 : ASM_INPUT_##nr \
88 : "r9", "r10", "r11", "r12", \
89 "lr", "ctr", "memory"); \
90 r3; \
91 })
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https://bugs.launchpad.net/bugs/1920784
Title:
qemu-system-ppc64le fails with kvm acceleration
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