MIPS: Use ARCH_USE_BUILTIN_BSWAP.

[linux-drm-fsl-dcu.git] / arch / mips / Kconfig.debug

diff --git a/arch/mips/Kconfig.debug b/arch/mips/Kconfig.debug
index e250524021aca8ec7e1b79bfd0b4f088d96f109d..b43e288ec56749d73be4b2de45a505ad6dbaa41c 100644 (file)
--- a/arch/mips/Kconfig.debug
+++ b/arch/mips/Kconfig.debug
@@ -113,4 +113,50 @@ config SPINLOCK_TEST
        help
          Add several files to the debugfs to test spinlock speed.
 
+if CPU_MIPSR6
+
+choice
+       prompt "Compact branch policy"
+       default MIPS_COMPACT_BRANCHES_OPTIMAL
+
+config MIPS_COMPACT_BRANCHES_NEVER
+       bool "Never (force delay slot branches)"
+       help
+         Pass the -mcompact-branches=never flag to the compiler in order to
+         force it to always emit branches with delay slots, and make no use
+         of the compact branch instructions introduced by MIPSr6. This is
+         useful if you suspect there may be an issue with compact branches in
+         either the compiler or the CPU.
+
+config MIPS_COMPACT_BRANCHES_OPTIMAL
+       bool "Optimal (use where beneficial)"
+       help
+         Pass the -mcompact-branches=optimal flag to the compiler in order for
+         it to make use of compact branch instructions where it deems them
+         beneficial, and use branches with delay slots elsewhere. This is the
+         default compiler behaviour, and should be used unless you have a
+         reason to choose otherwise.
+
+config MIPS_COMPACT_BRANCHES_ALWAYS
+       bool "Always (force compact branches)"
+       help
+         Pass the -mcompact-branches=always flag to the compiler in order to
+         force it to always emit compact branches, making no use of branch
+         instructions with delay slots. This can result in more compact code
+         which may be beneficial in some scenarios.
+
+endchoice
+
+endif # CPU_MIPSR6
+
+config SCACHE_DEBUGFS
+       bool "L2 cache debugfs entries"
+       depends on DEBUG_FS
+       help
+         Enable this to allow parts of the L2 cache configuration, such as
+         whether or not prefetching is enabled, to be exposed to userland
+         via debugfs.
+
+         If unsure, say N.
+
 endmenu