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Re: [Qemu-devel] [PATCH 3/3] arm: semihosting: Wire up A64 HLT 0xf000
From: |
Peter Maydell |
Subject: |
Re: [Qemu-devel] [PATCH 3/3] arm: semihosting: Wire up A64 HLT 0xf000 |
Date: |
Fri, 10 Apr 2015 16:52:36 +0100 |
On 10 April 2015 at 16:47, Christopher Covington
<address@hidden> wrote:
> Why are Angel semihosting calls supported in arm-linux-user? The use
> case isn't obvious to me. Could omitting semihosting support in
> aarch64-linux-user simplify development and maintenance?
They're used for simple bare-metal single-ELF-file tests
(eg gcc test cases) -- this is an important use case, arguably
more useful than semihosting in system-emulation mode.
-- PMM