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authorPeter Maydell <peter.maydell@linaro.org>2016-01-14 12:54:40 +0000
committerPeter Maydell <peter.maydell@linaro.org>2016-01-14 12:54:40 +0000
commitb100edc4811da5e7d025a8432ccf0ff805115552 (patch)
tree44998dbc1ec6307dd771b954f8cb87ca5c44459d
parentea9df71a0822bfee47db0a396321ba00101ba4e7 (diff)
downloadqemu-arm-b100edc4811da5e7d025a8432ccf0ff805115552.tar.gz
exec.c: Add cpu_get_address_space()
Add a function to return the AddressSpace for a CPU based on its numerical index. (Callers outside exec.c don't have access to the CPUAddressSpace struct so can't just fish it out of the CPUState struct directly.) Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Acked-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
-rw-r--r--exec.c6
-rw-r--r--include/exec/exec-all.h9
2 files changed, 15 insertions, 0 deletions
diff --git a/exec.c b/exec.c
index 5bd304584c..cbadca4b50 100644
--- a/exec.c
+++ b/exec.c
@@ -564,6 +564,12 @@ void cpu_address_space_init(CPUState *cpu, AddressSpace *as, int asidx)
memory_listener_register(&newas->tcg_as_listener, as);
}
}
+
+AddressSpace *cpu_get_address_space(CPUState *cpu, int asidx)
+{
+ /* Return the AddressSpace corresponding to the specified index */
+ return cpu->cpu_ases[asidx].as;
+}
#endif
#ifndef CONFIG_USER_ONLY
diff --git a/include/exec/exec-all.h b/include/exec/exec-all.h
index 587736e9fb..05a151da4a 100644
--- a/include/exec/exec-all.h
+++ b/include/exec/exec-all.h
@@ -103,6 +103,15 @@ void cpu_reloading_memory_map(void);
* Note that with KVM only one address space is supported.
*/
void cpu_address_space_init(CPUState *cpu, AddressSpace *as, int asidx);
+/**
+ * cpu_get_address_space:
+ * @cpu: CPU to get address space from
+ * @asidx: index identifying which address space to get
+ *
+ * Return the requested address space of this CPU. @asidx
+ * specifies which address space to read.
+ */
+AddressSpace *cpu_get_address_space(CPUState *cpu, int asidx);
/* cputlb.c */
/**
* tlb_flush_page: