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cpu: Add CPUArchState pointer to CPUState

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The target-specific ENV_GET_CPU() macros have allowed us to navigate
from CPUArchState to CPUState. The reverse direction was not supported.
Avoid introducing CPU_GET_ENV() macros by initializing an untyped
pointer that is initialized in derived instance_init functions.

The field may not be called "env" due to it being poisoned.

Acked-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Andreas Färber <afaerber@suse.de>
This commit is contained in:
Andreas Färber 2013-01-17 12:13:41 +01:00
parent 907a5e32f2
commit c05efcb18e
16 changed files with 31 additions and 0 deletions
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2
include/qom/cpu.h
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@ -71,6 +71,7 @@ struct kvm_run;
* @created: Indicates whether the CPU thread has been successfully created.
* @stop: Indicates a pending stop request.
* @stopped: Indicates the CPU has been artificially stopped.
* @env_ptr: Pointer to subclass-specific CPUArchState field.
* @current_tb: Currently executing TB.
* @kvm_fd: vCPU file descriptor for KVM.
*
@ -100,6 +101,7 @@ struct CPUState {
bool stopped;
volatile sig_atomic_t exit_request;
void *env_ptr; /* CPUArchState */
struct TranslationBlock *current_tb;
int kvm_fd;