[PULL 05/23] target/arm: hide aliased MIDR from gdbstub

Alex Bennée posted 23 patches 1 year ago
Maintainers: Yonggang Luo <luoyonggang@gmail.com>, "Alex Bennée" <alex.bennee@linaro.org>, "Philippe Mathieu-Daudé" <philmd@linaro.org>, Thomas Huth <thuth@redhat.com>, Wainer dos Santos Moschetta <wainersm@redhat.com>, Beraldo Leal <bleal@redhat.com>, Laurent Vivier <laurent@vivier.eu>, Paolo Bonzini <pbonzini@redhat.com>, Alexandre Iooss <erdnaxe@crans.org>, Mahmoud Mandour <ma.mandourr@gmail.com>, Richard Henderson <richard.henderson@linaro.org>, "Marc-André Lureau" <marcandre.lureau@redhat.com>, "Daniel P. Berrangé" <berrange@redhat.com>, John Snow <jsnow@redhat.com>, Cleber Rosa <crosa@redhat.com>, Peter Maydell <peter.maydell@linaro.org>, Chris Wulff <crwulff@gmail.com>, Marek Vasut <marex@denx.de>, Nicholas Piggin <npiggin@gmail.com>, Daniel Henrique Barboza <danielhb413@gmail.com>, "Cédric Le Goater" <clg@kaod.org>, David Hildenbrand <david@redhat.com>, Ilya Leoshkevich <iii@linux.ibm.com>
There is a newer version of this series
[PULL 05/23] target/arm: hide aliased MIDR from gdbstub
Posted by Alex Bennée 1 year ago
This is just a constant alias register with the same value as the
"other" MIDR so it serves no purpose being presented to gdbstub.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-Id: <20231106185112.2755262-6-alex.bennee@linaro.org>

diff --git a/target/arm/helper.c b/target/arm/helper.c
index 6acd87f5b9..ff1970981e 100644
--- a/target/arm/helper.c
+++ b/target/arm/helper.c
@@ -9000,7 +9000,7 @@ void register_cp_regs_for_features(ARMCPU *cpu)
               .type = ARM_CP_CONST, .resetvalue = cpu->revidr },
         };
         ARMCPRegInfo id_v8_midr_alias_cp_reginfo = {
-            .name = "MIDR", .type = ARM_CP_ALIAS | ARM_CP_CONST,
+            .name = "MIDR", .type = ARM_CP_ALIAS | ARM_CP_CONST | ARM_CP_NO_GDB,
             .cp = 15, .crn = 0, .crm = 0, .opc1 = 0, .opc2 = 4,
             .access = PL1_R, .resetvalue = cpu->midr
         };
-- 
2.39.2