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| author | Vineet Gupta <vgupta@synopsys.com> | 2018-12-06 00:17:50 -0800 |
|---|---|---|
| committer | Vineet Gupta <vgupta@synopsys.com> | 2019-01-17 14:38:00 -0800 |
| commit | 97e981324d492340e33baa9680780046377b561f (patch) | |
| tree | 27bec4ddfc78c4a6957813aacbca260b4c357707 /arch/arc | |
| parent | bfeffd155283772bbe78c6a05dec7c0128ee500c (diff) | |
| download | linux-0-day-97e981324d492340e33baa9680780046377b561f.tar.gz linux-0-day-97e981324d492340e33baa9680780046377b561f.tar.xz | |
ARCv2: boot log: BPU return stack depth
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
Diffstat (limited to 'arch/arc')
| -rw-r--r-- | arch/arc/include/asm/arcregs.h | 2 | ||||
| -rw-r--r-- | arch/arc/kernel/setup.c | 5 |
2 files changed, 4 insertions, 3 deletions
diff --git a/arch/arc/include/asm/arcregs.h b/arch/arc/include/asm/arcregs.h index 49bfbd879caa6..9f10d32ee1bda 100644 --- a/arch/arc/include/asm/arcregs.h +++ b/arch/arc/include/asm/arcregs.h @@ -283,7 +283,7 @@ struct cpuinfo_arc_cache { }; struct cpuinfo_arc_bpu { - unsigned int ver, full, num_cache, num_pred; + unsigned int ver, full, num_cache, num_pred, ret_stk; }; struct cpuinfo_arc_ccm { diff --git a/arch/arc/kernel/setup.c b/arch/arc/kernel/setup.c index 2e018b8c2e19c..33e232145d839 100644 --- a/arch/arc/kernel/setup.c +++ b/arch/arc/kernel/setup.c @@ -195,6 +195,7 @@ static void read_arc_build_cfg_regs(void) cpu->bpu.full = bpu.ft; cpu->bpu.num_cache = 256 << bpu.bce; cpu->bpu.num_pred = 2048 << bpu.pte; + cpu->bpu.ret_stk = 4 << bpu.rse; if (cpu->core.family >= 0x54) { unsigned int exec_ctrl; @@ -299,10 +300,10 @@ static char *arc_cpu_mumbojumbo(int cpu_id, char *buf, int len) if (cpu->bpu.ver) n += scnprintf(buf + n, len - n, - "BPU\t\t: %s%s match, cache:%d, Predict Table:%d", + "BPU\t\t: %s%s match, cache:%d, Predict Table:%d Return stk: %d", IS_AVAIL1(cpu->bpu.full, "full"), IS_AVAIL1(!cpu->bpu.full, "partial"), - cpu->bpu.num_cache, cpu->bpu.num_pred); + cpu->bpu.num_cache, cpu->bpu.num_pred, cpu->bpu.ret_stk); if (is_isa_arcv2()) { struct bcr_lpb lpb; |