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exec.c: Allow target CPUs to define multiple AddressSpaces

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Allow multiple calls to cpu_address_space_init(); each
call adds an entry to the cpu->ases array at the specified
index. It is up to the target-specific CPU code to actually use
these extra address spaces.

Since this multiple AddressSpace support won't work with
KVM, add an assertion to avoid confusing failures.

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 14:15:04 +00:00
parent 56943e8cc1
commit 12ebc9a76d
5 changed files with 23 additions and 10 deletions
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4
include/exec/exec-all.h
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@ -96,6 +96,10 @@ void cpu_reloading_memory_map(void);
* The target-specific code which registers ASes is responsible
* for defining what semantics address space 0, 1, 2, etc have.
*
* Before the first call to this function, the caller must set
* cpu->num_ases to the total number of address spaces it needs
* to support.
*
* Note that with KVM only one address space is supported.
*/
void cpu_address_space_init(CPUState *cpu, AddressSpace *as, int asidx);