* [Qemu-devel] How to get gpr register contents in translate.c
@ 2012-03-07 15:24 Elta
2012-03-08 22:28 ` Andreas Färber
0 siblings, 1 reply; 2+ messages in thread
From: Elta @ 2012-03-07 15:24 UTC (permalink / raw)
To: qemu-devel@nongnu.org
Hello everyone, I'm a newcomer here, nice to see you!
Now I get trouble in translate.c. I really want to get gpr value in translate.c, but cpu_gpr[rs]'s type is TCGv, can not get the real value of rs. Is the have any method or macro can made it? Thanks for your attention, have a nice day!
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: [Qemu-devel] How to get gpr register contents in translate.c
2012-03-07 15:24 [Qemu-devel] How to get gpr register contents in translate.c Elta
@ 2012-03-08 22:28 ` Andreas Färber
0 siblings, 0 replies; 2+ messages in thread
From: Andreas Färber @ 2012-03-08 22:28 UTC (permalink / raw)
To: Elta; +Cc: qemu-devel@nongnu.org
Hello,
Am 07.03.2012 16:24, schrieb Elta:
> Now I get trouble in translate.c. I really want to get gpr value in translate.c, but cpu_gpr[rs]'s type is TCGv, can not get the real value of rs. Is the have any method or macro can made it?
You forgot to mention which target you are talking about. ;)
Translation happens ahead of time. You do have access to CPUState but
its fields likely do not have the value you are interested in.
You'll have to read up on TCG and how to emit code that does what you
want to do with the register value at runtime rather than at translation
time.
Andreas
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GF: Jeff Hawn, Jennifer Guild, Felix Imendörffer; HRB 16746 AG Nürnberg
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2012-03-07 15:24 [Qemu-devel] How to get gpr register contents in translate.c Elta
2012-03-08 22:28 ` Andreas Färber
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