From 9b9d9f5e5f2e94bd30ba8aa885639cc084a29a4c Mon Sep 17 00:00:00 2001
From: Colin <hong.liang@witintech.com>
Date: Mon, 22 Sep 2025 03:37:21 +0000
Subject: [PATCH] Refine qemu gdb stub.

---
 kernel_obj                            | Bin 6216 -> 0 bytes
 Makefile => qemu_gdb/Makefile         |   9 +--------
 {build => qemu_gdb/build}/kernel.bin  | Bin
 {build => qemu_gdb/build}/kernel.dump |   0
 {build => qemu_gdb/build}/kernel.elf  | Bin 7248 -> 7264 bytes
 kernel.c => qemu_gdb/kernel.c         |   0
 link.ld => qemu_gdb/link.ld           |   0
 qemu_gdb/rv.gdb                       |   6 ++++++
 start.s => qemu_gdb/start.s           |   0
 9 files changed, 7 insertions(+), 8 deletions(-)
 delete mode 100755 kernel_obj
 rename Makefile => qemu_gdb/Makefile (74%)
 rename {build => qemu_gdb/build}/kernel.bin (100%)
 rename {build => qemu_gdb/build}/kernel.dump (100%)
 rename {build => qemu_gdb/build}/kernel.elf (77%)
 rename kernel.c => qemu_gdb/kernel.c (100%)
 rename link.ld => qemu_gdb/link.ld (100%)
 create mode 100644 qemu_gdb/rv.gdb
 rename start.s => qemu_gdb/start.s (100%)

diff --git a/kernel_obj b/kernel_obj
deleted file mode 100755
index f1e27afb5f4847e37cc60eab9b270529843ff573..0000000000000000000000000000000000000000
GIT binary patch
literal 0
HcmV?d00001

literal 6216
zcmeHL&1)n@6o1t<oteo@W+yW-ChRVmFym$wGntR9nvK!TX0kE31SJMNEVSJ-y)%RJ
zWp^j6vbYJmV)SIlNy$NBK|F{Dg*^!_2>MTW6ptzj9)!gAs=KnCAs~3}2i5QW-uqQm
z*Q@H+P<NKEUt^4c6b1eSiDuC`HtI%ZAp;yPLIQ?RL+|sX>;Z7jGefAUujucK@1l>I
ziVe{J>Mu@>%zha_hp$_IIKV*$f(!&12r>|4Ajm+Ffgl4x27(L(83-~EWFW}E|I9#|
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z_#^z+e0>Vf?BmU)0PdZ_d%KVKJ@Vf4@nl}!^LPa>mciP(;p5ReQTx!-lDCPx3#agi
v>#qa{$m^k#>f{hMnio?bzFvQYh~vj;qhAV*Lqfk?Kkp9mJ`oZ3A$k7-?UN18

diff --git a/Makefile b/qemu_gdb/Makefile
similarity index 74%
rename from Makefile
rename to qemu_gdb/Makefile
index 5d5d430..5187b2e 100755
--- a/Makefile
+++ b/qemu_gdb/Makefile
@@ -31,12 +31,5 @@ clean:
 qemu: kernel
 	qemu-system-riscv64 -machine virt -smp 1 -bios none -kernel $(TEST_OBJ) -nographic -s -S
 
-
-# gdb: kernel
-# 	gdb-multiarch                         \
-# 		-ex "file $(TEST_OBJ)"              \
-# 		-ex "set debug remote 1"            \
-# 		-ex "target remote localhost:1234" \
-
 gdb: kernel
-	gdb-multiarch $(TEST_OBJ) -ex "target remote localhost:1234"
\ No newline at end of file
+	gdb-multiarch -x rv.gdb
\ No newline at end of file
diff --git a/build/kernel.bin b/qemu_gdb/build/kernel.bin
similarity index 100%
rename from build/kernel.bin
rename to qemu_gdb/build/kernel.bin
diff --git a/build/kernel.dump b/qemu_gdb/build/kernel.dump
similarity index 100%
rename from build/kernel.dump
rename to qemu_gdb/build/kernel.dump
diff --git a/build/kernel.elf b/qemu_gdb/build/kernel.elf
similarity index 77%
rename from build/kernel.elf
rename to qemu_gdb/build/kernel.elf
index 00852e3591892ccfe58fe488ce4f94af32046a81..7b657d1ed6ffcf314a127ca095053ac6c6b66501 100755
GIT binary patch
delta 199
zcmca$@xWq&2IGQ>n(|DGMJ8?(+nC@Xz^cjs1e4ba+-01*xm(bkk&$6?p|J4eXF^>9
zAQ>h`c_w})JrGlGa)a<zQT@Wy+|u~;lq3dszfc9oU<D&R6QjvqA~He<ne5b}ywn`M
z<jH9w4VzzxG&8Y98F-cy1#K=A|Ifs@a&n=RIj6S>$V>(Xv&kE!%o!Uezm&3PTs&D*
g+Me;p<V+x$F?l7BteE^#+Me^bI7ID&$%T^g09~IsssI20

delta 191
zcmaE0alvAO2IGW@n(|B&MJ8?(+nC@Xz{&swoRilI+-01yxm(bkQGgRDz{Due#Lonh
zVqlp3NT?4<P!%MmI=Ml3t0;rJU#Nm(u!51Ei4j9~YEfQlj$ZO)FA<r^6(S9rzlpRm
zvAOz0I_BnXZWRB|#JFH`qm((PlL*KF1_s^92c^sz^C$n5vS*w)*;3k`@x|myAQ>@v
VCy>mT{8QSV^R+lcEl{VVJOINFF|q&v

diff --git a/kernel.c b/qemu_gdb/kernel.c
similarity index 100%
rename from kernel.c
rename to qemu_gdb/kernel.c
diff --git a/link.ld b/qemu_gdb/link.ld
similarity index 100%
rename from link.ld
rename to qemu_gdb/link.ld
diff --git a/qemu_gdb/rv.gdb b/qemu_gdb/rv.gdb
new file mode 100644
index 0000000..c78ce53
--- /dev/null
+++ b/qemu_gdb/rv.gdb
@@ -0,0 +1,6 @@
+
+
+file ./build/kernel.elf
+set architecture riscv:rv64
+target remote localhost:1234
+set $pc = 0x80000000
\ No newline at end of file
diff --git a/start.s b/qemu_gdb/start.s
similarity index 100%
rename from start.s
rename to qemu_gdb/start.s