On 02.08.16 08:40:59, Dann Frazier wrote:
> I ran this test on our 2.0 silicon - which I *thought* was supposed to
> be ARMv8.1 - but it passes there.
> Can you confirm if that should be the case?
With newer firmware (e.g. 1.23.6 from Jul 22 2016) this no longer
happens for 2.0 systems. You can reproduce it with older firmware (e.g.
1.21.3), see here:
good:
(gdb) break main
Breakpoint 1 at 0x4005c8: file main.c, line 5.
(gdb) run
Starting program: /root/test/main
Breakpoint 1, main () at main.c:5
5 printf("Hello world.\n");
bad:
(gdb) break main
Breakpoint 1 at 0x4005c8: file main.c, line 5.
(gdb) run
Starting program: /root/test/main
warning: Unable to determine the number of hardware watchpoints available.
warning: Unable to determine the number of hardware breakpoints available.
Breakpoint 1, main () at main.c:5
5 printf("Hello world.\n");
-Robert
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https://bugs.launchpad.net/bugs/1608948
Title:
support hw watchpoints/breakpoints on ARMv8.{1,2}
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