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Re: [Qemu-arm] [PATCH 2/6] accel/tcg: Handle get_page_addr_code() return
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From: |
Emilio G. Cota |
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Subject: |
Re: [Qemu-arm] [PATCH 2/6] accel/tcg: Handle get_page_addr_code() returning -1 in hashtable lookups |
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Date: |
Fri, 13 Jul 2018 12:44:25 -0400 |
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User-agent: |
Mutt/1.5.24 (2015-08-30) |
On Tue, Jul 10, 2018 at 17:00:09 +0100, Peter Maydell wrote:
> When we support execution from non-RAM MMIO regions, get_page_addr_code()
> will return -1 to indicate that there is no RAM at the requested address.
> Handle this in the cpu-exec TB hashtable lookup code, treating it as
> "no match found".
>
> Note that the call to get_page_addr_code() in tb_lookup_cmp() needs
> no changes -- a return of -1 will already correctly result in the
> function returning false.
>
> Signed-off-by: Peter Maydell <address@hidden>
Reviewed-by: Emilio G. Cota <address@hidden>
E.
- [Qemu-arm] [PATCH 0/6] accel/tcg: Support execution from MMIO and small MMU regions, Peter Maydell, 2018/07/10
- [Qemu-arm] [PATCH 2/6] accel/tcg: Handle get_page_addr_code() returning -1 in hashtable lookups, Peter Maydell, 2018/07/10
- [Qemu-arm] [PATCH 1/6] accel/tcg: Pass read access type through to io_readx(), Peter Maydell, 2018/07/10
- [Qemu-arm] [PATCH 4/6] accel/tcg: tb_gen_code(): Create single-insn TB for execution from non-RAM, Peter Maydell, 2018/07/10
- [Qemu-arm] [PATCH 3/6] accel/tcg: Handle get_page_addr_code() returning -1 in tb_check_watchpoint(), Peter Maydell, 2018/07/10
- [Qemu-arm] [PATCH 6/6] target/arm: Allow execution from small regions, Peter Maydell, 2018/07/10