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target-arm: Implement asidx_from_attrs

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Implement the asidx_from_attrs CPU method to return the
Secure or NonSecure address space as appropriate.

(The function is inline so we can use it directly in target-arm
code to be added in later patches.)

Backports commit 017518c1f6ed9939c7f390cb91078f0919b5494c from qemu
This commit is contained in:
Peter Maydell 2018-02-18 22:11:35 -05:00 committed by Lioncash
parent c13497c369
commit f96988503a
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2 changed files with 9 additions and 0 deletions
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1
qemu/target-arm/cpu.c
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@ -1328,6 +1328,7 @@ static void arm_cpu_class_init(struct uc_struct *uc, ObjectClass *oc, void *data
cc->do_interrupt = arm_cpu_do_interrupt;
cc->do_unaligned_access = arm_cpu_do_unaligned_access;
cc->get_phys_page_debug = arm_cpu_get_phys_page_debug;
cc->asidx_from_attrs = arm_asidx_from_attrs;
// UNICORN: Commented out
//cc->vmsd = &vmstate_arm_cpu;
//cc->virtio_is_big_endian = arm_cpu_is_big_endian;

8
qemu/target-arm/cpu.h
View file

@ -2045,4 +2045,12 @@ enum {
QEMU_PSCI_CONDUIT_HVC = 2,
};
#ifndef CONFIG_USER_ONLY
/* Return the address space index to use for a memory access */
static inline int arm_asidx_from_attrs(CPUState *cs, MemTxAttrs attrs)
{
return attrs.secure ? ARMASIdx_S : ARMASIdx_NS;
}
#endif
#endif