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authorJiajie Chen <c@jia.je>2023-08-08 13:42:47 +0800
committerSong Gao <gaosong@loongson.cn>2023-08-24 11:17:59 +0800
commit17ffe331a923c9015887917b27212ab39ff1d8ea (patch)
tree8ae3efa456efe22d4dc5059ff099563f9034e1b0 /gdb-xml/loongarch-fpu.xml
parent2948c1fb6b8d806d92394ec358e6ed727e946df9 (diff)
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target/loongarch: Split fcc register to fcc0-7 in gdbstub
Since GDB 13.1(GDB commit ea3352172), GDB LoongArch changed to use fcc0-7 instead of fcc register. This commit partially reverts commit 2f149c759 (`target/loongarch: Update gdb_set_fpu() and gdb_get_fpu()`) to match the behavior of GDB. Note that it is a breaking change for GDB 13.0 or earlier, but it is also required for GDB 13.1 or later to work. Signed-off-by: Jiajie Chen <c@jia.je> Acked-by: Song Gao <gaosong@loongson.cn> Message-Id: <20230808054315.3391465-1-c@jia.je> Signed-off-by: Song Gao <gaosong@loongson.cn>
Diffstat (limited to 'gdb-xml/loongarch-fpu.xml')
-rw-r--r--gdb-xml/loongarch-fpu.xml9
1 files changed, 8 insertions, 1 deletions
diff --git a/gdb-xml/loongarch-fpu.xml b/gdb-xml/loongarch-fpu.xml
index 78e42cf..e81e338 100644
--- a/gdb-xml/loongarch-fpu.xml
+++ b/gdb-xml/loongarch-fpu.xml
@@ -45,6 +45,13 @@
<reg name="f29" bitsize="64" type="fputype" group="float"/>
<reg name="f30" bitsize="64" type="fputype" group="float"/>
<reg name="f31" bitsize="64" type="fputype" group="float"/>
- <reg name="fcc" bitsize="64" type="uint64" group="float"/>
+ <reg name="fcc0" bitsize="8" type="uint8" group="float"/>
+ <reg name="fcc1" bitsize="8" type="uint8" group="float"/>
+ <reg name="fcc2" bitsize="8" type="uint8" group="float"/>
+ <reg name="fcc3" bitsize="8" type="uint8" group="float"/>
+ <reg name="fcc4" bitsize="8" type="uint8" group="float"/>
+ <reg name="fcc5" bitsize="8" type="uint8" group="float"/>
+ <reg name="fcc6" bitsize="8" type="uint8" group="float"/>
+ <reg name="fcc7" bitsize="8" type="uint8" group="float"/>
<reg name="fcsr" bitsize="32" type="uint32" group="float"/>
</feature>