3 files changed, 0 insertions, 103 deletions
diff --git a/tools/perf/arch/csky/util/Build b/tools/perf/arch/csky/util/Build
deleted file mode 100644
index 5e6ea82c4202..000000000000
--- a/tools/perf/arch/csky/util/Build
+++ /dev/null
@@ -1,3 +0,0 @@
-perf-util-y += perf_regs.o
-
-perf-util-$(CONFIG_LIBDW_DWARF_UNWIND) += unwind-libdw.o
diff --git a/tools/perf/arch/csky/util/perf_regs.c b/tools/perf/arch/csky/util/perf_regs.c
deleted file mode 100644
index 6b1665f41180..000000000000
--- a/tools/perf/arch/csky/util/perf_regs.c
+++ /dev/null
@@ -1,22 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-#include "perf_regs.h"
-#include "../../util/perf_regs.h"
-
-static const struct sample_reg sample_reg_masks[] = {
-	SMPL_REG_END
-};
-
-uint64_t arch__intr_reg_mask(void)
-{
-	return PERF_REGS_MASK;
-}
-
-uint64_t arch__user_reg_mask(void)
-{
-	return PERF_REGS_MASK;
-}
-
-const struct sample_reg *arch__sample_reg_masks(void)
-{
-	return sample_reg_masks;
-}
diff --git a/tools/perf/arch/csky/util/unwind-libdw.c b/tools/perf/arch/csky/util/unwind-libdw.c
deleted file mode 100644
index 79df4374ab18..000000000000
--- a/tools/perf/arch/csky/util/unwind-libdw.c
+++ /dev/null
@@ -1,78 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-// Copyright (C) 2019 Hangzhou C-SKY Microsystems co.,ltd.
-
-#include <elfutils/libdwfl.h>
-#include "perf_regs.h"
-#include "../../util/unwind-libdw.h"
-#include "../../util/perf_regs.h"
-#include "../../util/event.h"
-
-bool libdw__arch_set_initial_registers(Dwfl_Thread *thread, void *arg)
-{
-	struct unwind_info *ui = arg;
-	struct regs_dump *user_regs = &ui->sample->user_regs;
-	Dwarf_Word dwarf_regs[PERF_REG_CSKY_MAX];
-
-#define REG(r) ({						\
-	Dwarf_Word val = 0;					\
-	perf_reg_value(&val, user_regs, PERF_REG_CSKY_##r);	\
-	val;							\
-})
-
-#if defined(__CSKYABIV2__)
-	dwarf_regs[0]  = REG(A0);
-	dwarf_regs[1]  = REG(A1);
-	dwarf_regs[2]  = REG(A2);
-	dwarf_regs[3]  = REG(A3);
-	dwarf_regs[4]  = REG(REGS0);
-	dwarf_regs[5]  = REG(REGS1);
-	dwarf_regs[6]  = REG(REGS2);
-	dwarf_regs[7]  = REG(REGS3);
-	dwarf_regs[8]  = REG(REGS4);
-	dwarf_regs[9]  = REG(REGS5);
-	dwarf_regs[10] = REG(REGS6);
-	dwarf_regs[11] = REG(REGS7);
-	dwarf_regs[12] = REG(REGS8);
-	dwarf_regs[13] = REG(REGS9);
-	dwarf_regs[14] = REG(SP);
-	dwarf_regs[15] = REG(LR);
-	dwarf_regs[16] = REG(EXREGS0);
-	dwarf_regs[17] = REG(EXREGS1);
-	dwarf_regs[18] = REG(EXREGS2);
-	dwarf_regs[19] = REG(EXREGS3);
-	dwarf_regs[20] = REG(EXREGS4);
-	dwarf_regs[21] = REG(EXREGS5);
-	dwarf_regs[22] = REG(EXREGS6);
-	dwarf_regs[23] = REG(EXREGS7);
-	dwarf_regs[24] = REG(EXREGS8);
-	dwarf_regs[25] = REG(EXREGS9);
-	dwarf_regs[26] = REG(EXREGS10);
-	dwarf_regs[27] = REG(EXREGS11);
-	dwarf_regs[28] = REG(EXREGS12);
-	dwarf_regs[29] = REG(EXREGS13);
-	dwarf_regs[30] = REG(EXREGS14);
-	dwarf_regs[31] = REG(TLS);
-	dwarf_regs[32] = REG(PC);
-#else
-	dwarf_regs[0]  = REG(SP);
-	dwarf_regs[1]  = REG(REGS9);
-	dwarf_regs[2]  = REG(A0);
-	dwarf_regs[3]  = REG(A1);
-	dwarf_regs[4]  = REG(A2);
-	dwarf_regs[5]  = REG(A3);
-	dwarf_regs[6]  = REG(REGS0);
-	dwarf_regs[7]  = REG(REGS1);
-	dwarf_regs[8]  = REG(REGS2);
-	dwarf_regs[9]  = REG(REGS3);
-	dwarf_regs[10] = REG(REGS4);
-	dwarf_regs[11] = REG(REGS5);
-	dwarf_regs[12] = REG(REGS6);
-	dwarf_regs[13] = REG(REGS7);
-	dwarf_regs[14] = REG(REGS8);
-	dwarf_regs[15] = REG(LR);
-#endif
-	dwfl_thread_state_register_pc(thread, REG(PC));
-
-	return dwfl_thread_state_registers(thread, 0, PERF_REG_CSKY_MAX,
-					   dwarf_regs);
-}