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![]() mvcp and mvcs helper get access to the physical memory by a call to mmu_translate for the virtual to real conversion and then using ldb_phys and stb_phys to physically access the data. In practice this is quite slow because it bypasses the QEMU softmmu TLB and because stb_phys calls try to invalidate the corresponding memory for each access. Instead use cpu_ldb_{primary,secondary} for the loads and cpu_stb_{primary,secondary} for the stores. Ideally this should be further optimized by a call to memcpy, but that already improves the boot time of a guest by a factor 1.8. Signed-off-by: Aurelien Jarno <aurelien@aurel32.net> Reviewed-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Alexander Graf <agraf@suse.de> |
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.. | ||
arch_dump.c | ||
cc_helper.c | ||
cpu-qom.h | ||
cpu.c | ||
cpu.h | ||
fpu_helper.c | ||
gdbstub.c | ||
helper.c | ||
helper.h | ||
insn-data.def | ||
insn-format.def | ||
int_helper.c | ||
interrupt.c | ||
ioinst.c | ||
ioinst.h | ||
kvm.c | ||
machine.c | ||
Makefile.objs | ||
mem_helper.c | ||
misc_helper.c | ||
mmu_helper.c | ||
translate.c |