On 23/04/16 13:21, Peter Maydell wrote:
TBs are looked up by (virtual) PC + flags + physical address, so if
the same lump of code is mapped at two different virtual addresses
we'll translate it twice. (More precisely, tb_find_fast() checks
only the virtual address, but it does so in a cache which
On 22 April 2016 at 16:06, Tom Spink wrote:
> So, my question is, how can a TB for a particular block containing a
> constant folded *virtual* PC work, if the MMU mappings change and a
> different virtual address is used to access the same physical address?
>
> E.g. assume we have an instruction s
Hello,
I have a question about ARM PC-relative load instructions in softmmu
execution, and how the PC is constant-folded at JIT compilation time
into a TB.
I have observed in translate.c the following code:
/* Set a variable to the value of a CPU register. */
static void load_reg_var(DisasC
