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authorIan Rogers <irogers@google.com>2026-01-22 13:35:12 -0800
committerArnaldo Carvalho de Melo <acme@redhat.com>2026-01-23 16:58:38 -0300
commit07b972ff09f45cfb7acd20cd9b3769c6975bc434 (patch)
treef8cecf6a6a63113dd96b4305a42ef5af5eecef2b /tools/perf/arch/powerpc
parent9273085273103e5994952dc2725f1f0109af97d1 (diff)
downloadlwn-07b972ff09f45cfb7acd20cd9b3769c6975bc434.tar.gz
lwn-07b972ff09f45cfb7acd20cd9b3769c6975bc434.zip
perf disasm: Don't include C files from the arch directory
Move the arch instructions.c files into appropriately named files in annotate-arch in the util directory. Don't #include to compile the code, switch to building the files and fix up the #includes accordingly. Move powerpc specific disasm code out of disasm.c and into annotate-powerpc.c. Declarations and static removed as appropriate for the code to compile as separate compilation units. The e_machine and e_flags set up is moved to the disasm.c architectures array so that later patches can sort by them. Reviewed-by: James Clark <james.clark@linaro.org> Signed-off-by: Ian Rogers <irogers@google.com> Cc: Aditya Bodkhe <aditya.b1@linux.ibm.com> Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Albert Ou <aou@eecs.berkeley.edu> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Alexandre Ghiti <alex@ghiti.fr> Cc: Athira Rajeev <atrajeev@linux.ibm.com> Cc: Bill Wendling <morbo@google.com> Cc: Dr. David Alan Gilbert <linux@treblig.org> Cc: Guo Ren <guoren@kernel.org> Cc: Howard Chu <howardchu95@gmail.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: John Garry <john.g.garry@oracle.com> Cc: Julia Lawall <Julia.Lawall@inria.fr> Cc: Justin Stitt <justinstitt@google.com> Cc: Krzysztof Łopatowski <krzysztof.m.lopatowski@gmail.com> Cc: Leo Yan <leo.yan@linux.dev> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Nathan Chancellor <nathan@kernel.org> Cc: Nick Desaulniers <nick.desaulniers+lkml@gmail.com> Cc: Palmer Dabbelt <palmer@dabbelt.com> Cc: Paul Walmsley <pjw@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Sergei Trofimovich <slyich@gmail.com> Cc: Shimin Guo <shimin.guo@skydio.com> Cc: Suchit Karunakaran <suchitkarunakaran@gmail.com> Cc: Thomas Falcon <thomas.falcon@intel.com> Cc: Tianyou Li <tianyou.li@intel.com> Cc: Will Deacon <will@kernel.org> Cc: Zecheng Li <zecheng@google.com> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/arch/powerpc')
-rw-r--r--tools/perf/arch/powerpc/annotate/instructions.c317
1 files changed, 0 insertions, 317 deletions
diff --git a/tools/perf/arch/powerpc/annotate/instructions.c b/tools/perf/arch/powerpc/annotate/instructions.c
deleted file mode 100644
index d1be55425e35..000000000000
--- a/tools/perf/arch/powerpc/annotate/instructions.c
+++ /dev/null
@@ -1,317 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-#include <linux/compiler.h>
-
-static const struct ins_ops *powerpc__associate_instruction_ops(struct arch *arch, const char *name)
-{
- int i;
- const struct ins_ops *ops;
-
- /*
- * - Interested only if instruction starts with 'b'.
- * - Few start with 'b', but aren't branch instructions.
- */
- if (name[0] != 'b' ||
- !strncmp(name, "bcd", 3) ||
- !strncmp(name, "brinc", 5) ||
- !strncmp(name, "bper", 4))
- return NULL;
-
- ops = &jump_ops;
-
- i = strlen(name) - 1;
- if (i < 0)
- return NULL;
-
- /* ignore optional hints at the end of the instructions */
- if (name[i] == '+' || name[i] == '-')
- i--;
-
- if (name[i] == 'l' || (name[i] == 'a' && name[i-1] == 'l')) {
- /*
- * if the instruction ends up with 'l' or 'la', then
- * those are considered 'calls' since they update LR.
- * ... except for 'bnl' which is branch if not less than
- * and the absolute form of the same.
- */
- if (strcmp(name, "bnl") && strcmp(name, "bnl+") &&
- strcmp(name, "bnl-") && strcmp(name, "bnla") &&
- strcmp(name, "bnla+") && strcmp(name, "bnla-"))
- ops = &call_ops;
- }
- if (name[i] == 'r' && name[i-1] == 'l')
- /*
- * instructions ending with 'lr' are considered to be
- * return instructions
- */
- ops = &ret_ops;
-
- arch__associate_ins_ops(arch, name, ops);
- return ops;
-}
-
-#define PPC_OP(op) (((op) >> 26) & 0x3F)
-#define PPC_21_30(R) (((R) >> 1) & 0x3ff)
-#define PPC_22_30(R) (((R) >> 1) & 0x1ff)
-
-struct insn_offset {
- const char *name;
- int value;
-};
-
-/*
- * There are memory instructions with opcode 31 which are
- * of X Form, Example:
- * ldx RT,RA,RB
- * ______________________________________
- * | 31 | RT | RA | RB | 21 |/|
- * --------------------------------------
- * 0 6 11 16 21 30 31
- *
- * But all instructions with opcode 31 are not memory.
- * Example: add RT,RA,RB
- *
- * Use bits 21 to 30 to check memory insns with 31 as opcode.
- * In ins_array below, for ldx instruction:
- * name => OP_31_XOP_LDX
- * value => 21
- */
-
-static struct insn_offset ins_array[] = {
- { .name = "OP_31_XOP_LXSIWZX", .value = 12, },
- { .name = "OP_31_XOP_LWARX", .value = 20, },
- { .name = "OP_31_XOP_LDX", .value = 21, },
- { .name = "OP_31_XOP_LWZX", .value = 23, },
- { .name = "OP_31_XOP_LDUX", .value = 53, },
- { .name = "OP_31_XOP_LWZUX", .value = 55, },
- { .name = "OP_31_XOP_LXSIWAX", .value = 76, },
- { .name = "OP_31_XOP_LDARX", .value = 84, },
- { .name = "OP_31_XOP_LBZX", .value = 87, },
- { .name = "OP_31_XOP_LVX", .value = 103, },
- { .name = "OP_31_XOP_LBZUX", .value = 119, },
- { .name = "OP_31_XOP_STXSIWX", .value = 140, },
- { .name = "OP_31_XOP_STDX", .value = 149, },
- { .name = "OP_31_XOP_STWX", .value = 151, },
- { .name = "OP_31_XOP_STDUX", .value = 181, },
- { .name = "OP_31_XOP_STWUX", .value = 183, },
- { .name = "OP_31_XOP_STBX", .value = 215, },
- { .name = "OP_31_XOP_STVX", .value = 231, },
- { .name = "OP_31_XOP_STBUX", .value = 247, },
- { .name = "OP_31_XOP_LHZX", .value = 279, },
- { .name = "OP_31_XOP_LHZUX", .value = 311, },
- { .name = "OP_31_XOP_LXVDSX", .value = 332, },
- { .name = "OP_31_XOP_LWAX", .value = 341, },
- { .name = "OP_31_XOP_LHAX", .value = 343, },
- { .name = "OP_31_XOP_LWAUX", .value = 373, },
- { .name = "OP_31_XOP_LHAUX", .value = 375, },
- { .name = "OP_31_XOP_STHX", .value = 407, },
- { .name = "OP_31_XOP_STHUX", .value = 439, },
- { .name = "OP_31_XOP_LXSSPX", .value = 524, },
- { .name = "OP_31_XOP_LDBRX", .value = 532, },
- { .name = "OP_31_XOP_LSWX", .value = 533, },
- { .name = "OP_31_XOP_LWBRX", .value = 534, },
- { .name = "OP_31_XOP_LFSUX", .value = 567, },
- { .name = "OP_31_XOP_LXSDX", .value = 588, },
- { .name = "OP_31_XOP_LSWI", .value = 597, },
- { .name = "OP_31_XOP_LFDX", .value = 599, },
- { .name = "OP_31_XOP_LFDUX", .value = 631, },
- { .name = "OP_31_XOP_STXSSPX", .value = 652, },
- { .name = "OP_31_XOP_STDBRX", .value = 660, },
- { .name = "OP_31_XOP_STXWX", .value = 661, },
- { .name = "OP_31_XOP_STWBRX", .value = 662, },
- { .name = "OP_31_XOP_STFSX", .value = 663, },
- { .name = "OP_31_XOP_STFSUX", .value = 695, },
- { .name = "OP_31_XOP_STXSDX", .value = 716, },
- { .name = "OP_31_XOP_STSWI", .value = 725, },
- { .name = "OP_31_XOP_STFDX", .value = 727, },
- { .name = "OP_31_XOP_STFDUX", .value = 759, },
- { .name = "OP_31_XOP_LXVW4X", .value = 780, },
- { .name = "OP_31_XOP_LHBRX", .value = 790, },
- { .name = "OP_31_XOP_LXVD2X", .value = 844, },
- { .name = "OP_31_XOP_LFIWAX", .value = 855, },
- { .name = "OP_31_XOP_LFIWZX", .value = 887, },
- { .name = "OP_31_XOP_STXVW4X", .value = 908, },
- { .name = "OP_31_XOP_STHBRX", .value = 918, },
- { .name = "OP_31_XOP_STXVD2X", .value = 972, },
- { .name = "OP_31_XOP_STFIWX", .value = 983, },
-};
-
-/*
- * Arithmetic instructions which are having opcode as 31.
- * These instructions are tracked to save the register state
- * changes. Example:
- *
- * lwz r10,264(r3)
- * add r31, r3, r3
- * lwz r9, 0(r31)
- *
- * Here instruction tracking needs to identify the "add"
- * instruction and save data type of r3 to r31. If a sample
- * is hit at next "lwz r9, 0(r31)", by this instruction tracking,
- * data type of r31 can be resolved.
- */
-static struct insn_offset arithmetic_ins_op_31[] = {
- { .name = "SUB_CARRY_XO_FORM", .value = 8, },
- { .name = "MUL_HDW_XO_FORM1", .value = 9, },
- { .name = "ADD_CARRY_XO_FORM", .value = 10, },
- { .name = "MUL_HW_XO_FORM1", .value = 11, },
- { .name = "SUB_XO_FORM", .value = 40, },
- { .name = "MUL_HDW_XO_FORM", .value = 73, },
- { .name = "MUL_HW_XO_FORM", .value = 75, },
- { .name = "SUB_EXT_XO_FORM", .value = 136, },
- { .name = "ADD_EXT_XO_FORM", .value = 138, },
- { .name = "SUB_ZERO_EXT_XO_FORM", .value = 200, },
- { .name = "ADD_ZERO_EXT_XO_FORM", .value = 202, },
- { .name = "SUB_EXT_XO_FORM2", .value = 232, },
- { .name = "MUL_DW_XO_FORM", .value = 233, },
- { .name = "ADD_EXT_XO_FORM2", .value = 234, },
- { .name = "MUL_W_XO_FORM", .value = 235, },
- { .name = "ADD_XO_FORM", .value = 266, },
- { .name = "DIV_DW_XO_FORM1", .value = 457, },
- { .name = "DIV_W_XO_FORM1", .value = 459, },
- { .name = "DIV_DW_XO_FORM", .value = 489, },
- { .name = "DIV_W_XO_FORM", .value = 491, },
-};
-
-static struct insn_offset arithmetic_two_ops[] = {
- { .name = "mulli", .value = 7, },
- { .name = "subfic", .value = 8, },
- { .name = "addic", .value = 12, },
- { .name = "addic.", .value = 13, },
- { .name = "addi", .value = 14, },
- { .name = "addis", .value = 15, },
-};
-
-static int cmp_offset(const void *a, const void *b)
-{
- const struct insn_offset *val1 = a;
- const struct insn_offset *val2 = b;
-
- return (val1->value - val2->value);
-}
-
-static const struct ins_ops *check_ppc_insn(struct disasm_line *dl)
-{
- int raw_insn = dl->raw.raw_insn;
- int opcode = PPC_OP(raw_insn);
- int mem_insn_31 = PPC_21_30(raw_insn);
- struct insn_offset *ret;
- struct insn_offset mem_insns_31_opcode = {
- "OP_31_INSN",
- mem_insn_31
- };
- char name_insn[32];
-
- /*
- * Instructions with opcode 32 to 63 are memory
- * instructions in powerpc
- */
- if ((opcode & 0x20)) {
- /*
- * Set name in case of raw instruction to
- * opcode to be used in insn-stat
- */
- if (!strlen(dl->ins.name)) {
- sprintf(name_insn, "%d", opcode);
- dl->ins.name = strdup(name_insn);
- }
- return &load_store_ops;
- } else if (opcode == 31) {
- /* Check for memory instructions with opcode 31 */
- ret = bsearch(&mem_insns_31_opcode, ins_array, ARRAY_SIZE(ins_array), sizeof(ins_array[0]), cmp_offset);
- if (ret) {
- if (!strlen(dl->ins.name))
- dl->ins.name = strdup(ret->name);
- return &load_store_ops;
- } else {
- mem_insns_31_opcode.value = PPC_22_30(raw_insn);
- ret = bsearch(&mem_insns_31_opcode, arithmetic_ins_op_31, ARRAY_SIZE(arithmetic_ins_op_31),
- sizeof(arithmetic_ins_op_31[0]), cmp_offset);
- if (ret != NULL)
- return &arithmetic_ops;
- /* Bits 21 to 30 has value 444 for "mr" insn ie, OR X form */
- if (PPC_21_30(raw_insn) == 444)
- return &arithmetic_ops;
- }
- } else {
- mem_insns_31_opcode.value = opcode;
- ret = bsearch(&mem_insns_31_opcode, arithmetic_two_ops, ARRAY_SIZE(arithmetic_two_ops),
- sizeof(arithmetic_two_ops[0]), cmp_offset);
- if (ret != NULL)
- return &arithmetic_ops;
- }
-
- return NULL;
-}
-
-/*
- * Instruction tracking function to track register state moves.
- * Example sequence:
- * ld r10,264(r3)
- * mr r31,r3
- * <<after some sequence>
- * ld r9,312(r31)
- *
- * Previous instruction sequence shows that register state of r3
- * is moved to r31. update_insn_state_powerpc tracks these state
- * changes
- */
-#ifdef HAVE_LIBDW_SUPPORT
-static void update_insn_state_powerpc(struct type_state *state,
- struct data_loc_info *dloc, Dwarf_Die * cu_die __maybe_unused,
- struct disasm_line *dl)
-{
- struct annotated_insn_loc loc;
- struct annotated_op_loc *src = &loc.ops[INSN_OP_SOURCE];
- struct annotated_op_loc *dst = &loc.ops[INSN_OP_TARGET];
- struct type_state_reg *tsr;
- u32 insn_offset = dl->al.offset;
-
- if (annotate_get_insn_location(dloc->arch, dl, &loc) < 0)
- return;
-
- /*
- * Value 444 for bits 21:30 is for "mr"
- * instruction. "mr" is extended OR. So set the
- * source and destination reg correctly
- */
- if (PPC_21_30(dl->raw.raw_insn) == 444) {
- int src_reg = src->reg1;
-
- src->reg1 = dst->reg1;
- dst->reg1 = src_reg;
- }
-
- if (!has_reg_type(state, dst->reg1))
- return;
-
- tsr = &state->regs[dst->reg1];
-
- if (!has_reg_type(state, src->reg1) ||
- !state->regs[src->reg1].ok) {
- tsr->ok = false;
- return;
- }
-
- tsr->type = state->regs[src->reg1].type;
- tsr->kind = state->regs[src->reg1].kind;
- tsr->ok = true;
-
- pr_debug_dtp("mov [%x] reg%d -> reg%d",
- insn_offset, src->reg1, dst->reg1);
- pr_debug_type_name(&tsr->type, tsr->kind);
-}
-#endif /* HAVE_LIBDW_SUPPORT */
-
-static int powerpc__annotate_init(struct arch *arch, char *cpuid __maybe_unused)
-{
- if (!arch->initialized) {
- arch->initialized = true;
- arch->associate_instruction_ops = powerpc__associate_instruction_ops;
- arch->objdump.comment_char = '#';
- annotate_opts.show_asm_raw = true;
- arch->e_machine = EM_PPC;
- arch->e_flags = 0;
- }
-
- return 0;
-}