flush_cache_all() uses 'struct cpuinfo_mips current_cpu_data' data fields. These data fields are initialized in r4k_cache_init().
However in the current implementation the r4k_cache_init() function is called __AFTER__ relocate_code(). Signed-off-by: Antony Pavlov <[email protected]> --- arch/mips/lib/reloc.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/arch/mips/lib/reloc.c b/arch/mips/lib/reloc.c index 14ba6167dd..6f1cd6d82f 100644 --- a/arch/mips/lib/reloc.c +++ b/arch/mips/lib/reloc.c @@ -37,6 +37,7 @@ #include <asm/mipsregs.h> #include <asm/relocs.h> #include <asm/sections.h> +#include <asm/cpu-features.h> #include <linux/sizes.h> #include <asm-generic/memory_layout.h> @@ -157,6 +158,17 @@ void relocate_code(void *fdt, u32 fdt_size, u32 ram_size) apply_reloc(type, (void *)addr, off); } + /* clear the BSS first */ + memset(__bss_start, 0x00, bss_len); + + cpu_probe(); + + if (cpu_has_4k_cache) { + extern void r4k_cache_init(void); + + r4k_cache_init(); + } + /* Ensure the icache is coherent */ flush_cache_all(); -- 2.20.1 _______________________________________________ barebox mailing list [email protected] http://lists.infradead.org/mailman/listinfo/barebox
