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exec.c: Don't set cpu->as until cpu_address_space_init

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Rather than setting cpu->as unconditionally in cpu_exec_init
(and then having target-i386 override this later), don't set
it until the first call to cpu_address_space_init.

This requires us to initialise the address space for
both TCG and KVM (KVM doesn't need the AS listener but
it does require cpu->as to be set).

For target CPUs which don't set up any address spaces (currently
everything except i386), add the default address_space_memory
in qemu_init_vcpu().

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
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 4a94fc9bf2
commit 56943e8cc1
4 changed files with 39 additions and 9 deletions
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16
include/exec/exec-all.h
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@ -84,7 +84,21 @@ void QEMU_NORETURN cpu_loop_exit_restore(CPUState *cpu, uintptr_t pc);
#if !defined(CONFIG_USER_ONLY)
void cpu_reloading_memory_map(void);
void tcg_cpu_address_space_init(CPUState *cpu, AddressSpace *as);
/**
* cpu_address_space_init:
* @cpu: CPU to add this address space to
* @as: address space to add
* @asidx: integer index of this address space
*
* Add the specified address space to the CPU's cpu_ases list.
* The address space added with @asidx 0 is the one used for the
* convenience pointer cpu->as.
* The target-specific code which registers ASes is responsible
* for defining what semantics address space 0, 1, 2, etc have.
*
* Note that with KVM only one address space is supported.
*/
void cpu_address_space_init(CPUState *cpu, AddressSpace *as, int asidx);
/* cputlb.c */
/**
* tlb_flush_page: