From: Yodel Eldar <yodel.el...@gmail.com> This patch adds the GDB XML feature file that describes Alpha's core registers.
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/2569 Reviewed-by: Richard Henderson <richard.hender...@linaro.org> Signed-off-by: Yodel Eldar <yodel.el...@gmail.com> Message-ID: <20250630164124.26315-3-yodel.el...@gmail.com> Signed-off-by: Alex Bennée <alex.ben...@linaro.org> --- configs/targets/alpha-linux-user.mak | 1 + configs/targets/alpha-softmmu.mak | 1 + target/alpha/cpu.c | 1 + gdb-xml/alpha-core.xml | 136 +++++++++++++++++++++++++++ 4 files changed, 139 insertions(+) create mode 100644 gdb-xml/alpha-core.xml diff --git a/configs/targets/alpha-linux-user.mak b/configs/targets/alpha-linux-user.mak index ef8e365b09..aa25766236 100644 --- a/configs/targets/alpha-linux-user.mak +++ b/configs/targets/alpha-linux-user.mak @@ -2,3 +2,4 @@ TARGET_ARCH=alpha TARGET_SYSTBL_ABI=common TARGET_SYSTBL=syscall.tbl TARGET_LONG_BITS=64 +TARGET_XML_FILES= gdb-xml/alpha-core.xml diff --git a/configs/targets/alpha-softmmu.mak b/configs/targets/alpha-softmmu.mak index 5275076e50..e31f059a52 100644 --- a/configs/targets/alpha-softmmu.mak +++ b/configs/targets/alpha-softmmu.mak @@ -1,2 +1,3 @@ TARGET_ARCH=alpha TARGET_LONG_BITS=64 +TARGET_XML_FILES= gdb-xml/alpha-core.xml diff --git a/target/alpha/cpu.c b/target/alpha/cpu.c index 2082db45ea..bf1787a69d 100644 --- a/target/alpha/cpu.c +++ b/target/alpha/cpu.c @@ -286,6 +286,7 @@ static void alpha_cpu_class_init(ObjectClass *oc, const void *data) cc->get_pc = alpha_cpu_get_pc; cc->gdb_read_register = alpha_cpu_gdb_read_register; cc->gdb_write_register = alpha_cpu_gdb_write_register; + cc->gdb_core_xml_file = "alpha-core.xml"; #ifndef CONFIG_USER_ONLY dc->vmsd = &vmstate_alpha_cpu; cc->sysemu_ops = &alpha_sysemu_ops; diff --git a/gdb-xml/alpha-core.xml b/gdb-xml/alpha-core.xml new file mode 100644 index 0000000000..c9e12f4ffd --- /dev/null +++ b/gdb-xml/alpha-core.xml @@ -0,0 +1,136 @@ +<?xml version="1.0"?> +<!-- Copyright (C) 2025 Free Software Foundation, Inc. + + Copying and distribution of this file, with or without modification, + are permitted in any medium without royalty provided the copyright + notice and this notice are preserved. --> + +<!DOCTYPE feature SYSTEM "gdb-target.dtd"> +<feature name="org.gnu.gdb.alpha.core"> + <!-- IEEE rounding mode values --> + <enum id="dyn_rm_enum" size="8"> + <!-- Chopped rounding mode --> + <evalue name="chop" value="0"/> + <!-- Minus infinity --> + <evalue name="-inf" value="1"/> + <!-- Normal rounding --> + <evalue name="norm" value="2"/> + <!-- Plus infinity --> + <evalue name="+inf" value="3"/> + </enum> + + <!-- Floating-Point Control Register Flags --> + <flags id="fpcr_flags" size="8"> + <!-- Denormal Operand Exception Disable --> + <field name="DNOD" start="47" end="47"/> + <!-- Denormal Operands to Zero --> + <field name="DNZ" start="48" end="48"/> + <!-- Invalid Operation Disable --> + <field name="INVD" start="49" end="49"/> + <!-- Division by Zero Disable --> + <field name="DZED" start="50" end="50"/> + <!-- Overflow Disable --> + <field name="OVFD" start="51" end="51"/> + <!-- Invalid Operation --> + <field name="INV" start="52" end="52"/> + <!-- Division by Zero --> + <field name="DZE" start="53" end="53"/> + <!-- Overflow --> + <field name="OVF" start="54" end="54"/> + <!-- Underflow --> + <field name="UNF" start="55" end="55"/> + <!-- Inexact Result --> + <field name="INE" start="56" end="56"/> + <!-- Integer Overflow --> + <field name="IOV" start="57" end="57"/> + <!-- Dynamic Rounding Mode --> + <field name="DYN_RM" start="58" end="59" type="dyn_rm_enum"/> + <!-- Underflow to Zero --> + <field name="UNDZ" start="60" end="60"/> + <!-- Underflow Disable --> + <field name="UNFD" start="61" end="61"/> + <!-- Inexact Disable --> + <field name="INED" start="62" end="62"/> + <!-- Summary Bit --> + <field name="SUM" start="63" end="63"/> + </flags> + + <!-- Integer Registers --> + <reg name="v0" bitsize="64" type="int64"/> + <reg name="t0" bitsize="64" type="int64"/> + <reg name="t1" bitsize="64" type="int64"/> + <reg name="t2" bitsize="64" type="int64"/> + <reg name="t3" bitsize="64" type="int64"/> + <reg name="t4" bitsize="64" type="int64"/> + <reg name="t5" bitsize="64" type="int64"/> + <reg name="t6" bitsize="64" type="int64"/> + <reg name="t7" bitsize="64" type="int64"/> + <reg name="s0" bitsize="64" type="int64"/> + <reg name="s1" bitsize="64" type="int64"/> + <reg name="s2" bitsize="64" type="int64"/> + <reg name="s3" bitsize="64" type="int64"/> + <reg name="s4" bitsize="64" type="int64"/> + <reg name="s5" bitsize="64" type="int64"/> + <reg name="fp" bitsize="64" type="int64"/> + <reg name="a0" bitsize="64" type="int64"/> + <reg name="a1" bitsize="64" type="int64"/> + <reg name="a2" bitsize="64" type="int64"/> + <reg name="a3" bitsize="64" type="int64"/> + <reg name="a4" bitsize="64" type="int64"/> + <reg name="a5" bitsize="64" type="int64"/> + <reg name="t8" bitsize="64" type="int64"/> + <reg name="t9" bitsize="64" type="int64"/> + <reg name="t10" bitsize="64" type="int64"/> + <reg name="t11" bitsize="64" type="int64"/> + <reg name="ra" bitsize="64" type="int64"/> + <reg name="t12" bitsize="64" type="int64"/> + <reg name="at" bitsize="64" type="int64"/> + <reg name="gp" bitsize="64" type="data_ptr"/> + <reg name="sp" bitsize="64" type="data_ptr"/> + <reg name="zero" bitsize="64" type="int64" save-restore="no"/> + + <!-- Floating-Point Registers --> + <reg name="f0" bitsize="64" type="float" group="float"/> + <reg name="f1" bitsize="64" type="float" group="float"/> + <reg name="f2" bitsize="64" type="float" group="float"/> + <reg name="f3" bitsize="64" type="float" group="float"/> + <reg name="f4" bitsize="64" type="float" group="float"/> + <reg name="f5" bitsize="64" type="float" group="float"/> + <reg name="f6" bitsize="64" type="float" group="float"/> + <reg name="f7" bitsize="64" type="float" group="float"/> + <reg name="f8" bitsize="64" type="float" group="float"/> + <reg name="f9" bitsize="64" type="float" group="float"/> + <reg name="f10" bitsize="64" type="float" group="float"/> + <reg name="f11" bitsize="64" type="float" group="float"/> + <reg name="f12" bitsize="64" type="float" group="float"/> + <reg name="f13" bitsize="64" type="float" group="float"/> + <reg name="f14" bitsize="64" type="float" group="float"/> + <reg name="f15" bitsize="64" type="float" group="float"/> + <reg name="f16" bitsize="64" type="float" group="float"/> + <reg name="f17" bitsize="64" type="float" group="float"/> + <reg name="f18" bitsize="64" type="float" group="float"/> + <reg name="f19" bitsize="64" type="float" group="float"/> + <reg name="f20" bitsize="64" type="float" group="float"/> + <reg name="f21" bitsize="64" type="float" group="float"/> + <reg name="f22" bitsize="64" type="float" group="float"/> + <reg name="f23" bitsize="64" type="float" group="float"/> + <reg name="f24" bitsize="64" type="float" group="float"/> + <reg name="f25" bitsize="64" type="float" group="float"/> + <reg name="f26" bitsize="64" type="float" group="float"/> + <reg name="f27" bitsize="64" type="float" group="float"/> + <reg name="f28" bitsize="64" type="float" group="float"/> + <reg name="f29" bitsize="64" type="float" group="float"/> + <reg name="f30" bitsize="64" type="float" group="float"/> + + <!-- Floating-Point Control Register --> + <reg name="fpcr" bitsize="64" type="fpcr_flags" group="float"/> + + <!-- Program Counter --> + <reg name="pc" bitsize="64" type="code_ptr"/> + + <!-- Reserved Index for Former Virtual Register --> + <reg name="" bitsize="64" type="int64" save-restore="no"/> + + <!-- PALcode Memory Slot --> + <reg name="unique" bitsize="64" type="int64" group="system"/> +</feature> -- 2.47.2
