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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.)

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Acked-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
This commit is contained in:
Peter Maydell 2016-01-21 14:15:06 +00:00
parent 9e273ef217
commit 017518c1f6
2 changed files with 9 additions and 0 deletions
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1
target-arm/cpu.c
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@ -1452,6 +1452,7 @@ static void arm_cpu_class_init(ObjectClass *oc, void *data)
cc->do_interrupt = arm_cpu_do_interrupt; cc->do_interrupt = arm_cpu_do_interrupt;
cc->do_unaligned_access = arm_cpu_do_unaligned_access; cc->do_unaligned_access = arm_cpu_do_unaligned_access;
cc->get_phys_page_debug = arm_cpu_get_phys_page_debug; cc->get_phys_page_debug = arm_cpu_get_phys_page_debug;
cc->asidx_from_attrs = arm_asidx_from_attrs;
cc->vmsd = &vmstate_arm_cpu; cc->vmsd = &vmstate_arm_cpu;
cc->virtio_is_big_endian = arm_cpu_is_big_endian; cc->virtio_is_big_endian = arm_cpu_is_big_endian;
cc->write_elf64_note = arm_cpu_write_elf64_note; cc->write_elf64_note = arm_cpu_write_elf64_note;

8
target-arm/cpu.h
View File

@ -1997,4 +1997,12 @@ enum {
QEMU_PSCI_CONDUIT_HVC = 2, 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 #endif