diff options
Diffstat (limited to 'arch/sh/kernel/cpu')
| -rw-r--r-- | arch/sh/kernel/cpu/init.c | 2 | ||||
| -rw-r--r-- | arch/sh/kernel/cpu/sh2/probe.c | 1 | ||||
| -rw-r--r-- | arch/sh/kernel/cpu/sh2a/probe.c | 2 | ||||
| -rw-r--r-- | arch/sh/kernel/cpu/sh3/entry.S | 32 | ||||
| -rw-r--r-- | arch/sh/kernel/cpu/sh3/probe.c | 2 | ||||
| -rw-r--r-- | arch/sh/kernel/cpu/sh4/probe.c | 10 | ||||
| -rw-r--r-- | arch/sh/kernel/cpu/sh5/probe.c | 2 |
7 files changed, 33 insertions, 18 deletions
diff --git a/arch/sh/kernel/cpu/init.c b/arch/sh/kernel/cpu/init.c index d40b9db..e932ebe 100644 --- a/arch/sh/kernel/cpu/init.c +++ b/arch/sh/kernel/cpu/init.c @@ -299,11 +299,9 @@ asmlinkage void __init sh_cpu_init(void) cache_init(); if (raw_smp_processor_id() == 0) { -#ifdef CONFIG_MMU shm_align_mask = max_t(unsigned long, current_cpu_data.dcache.way_size - 1, PAGE_SIZE - 1); -#endif /* Boot CPU sets the cache shape */ detect_cache_shape(); diff --git a/arch/sh/kernel/cpu/sh2/probe.c b/arch/sh/kernel/cpu/sh2/probe.c index 5916d90..1db6d88 100644 --- a/arch/sh/kernel/cpu/sh2/probe.c +++ b/arch/sh/kernel/cpu/sh2/probe.c @@ -29,6 +29,7 @@ int __init detect_cpu_and_cache_system(void) */ boot_cpu_data.dcache.flags |= SH_CACHE_COMBINED; boot_cpu_data.icache = boot_cpu_data.dcache; + boot_cpu_data.family = CPU_FAMILY_SH2; return 0; } diff --git a/arch/sh/kernel/cpu/sh2a/probe.c b/arch/sh/kernel/cpu/sh2a/probe.c index e098e2f..6825d65 100644 --- a/arch/sh/kernel/cpu/sh2a/probe.c +++ b/arch/sh/kernel/cpu/sh2a/probe.c @@ -15,6 +15,8 @@ int __init detect_cpu_and_cache_system(void) { + boot_cpu_data.family = CPU_FAMILY_SH2A; + /* All SH-2A CPUs have support for 16 and 32-bit opcodes.. */ boot_cpu_data.flags |= CPU_HAS_OP32; diff --git a/arch/sh/kernel/cpu/sh3/entry.S b/arch/sh/kernel/cpu/sh3/entry.S index 272636e..f94f25e 100644 --- a/arch/sh/kernel/cpu/sh3/entry.S +++ b/arch/sh/kernel/cpu/sh3/entry.S @@ -113,35 +113,34 @@ OFF_TRA = (16*4+6*4) #if defined(CONFIG_MMU) .align 2 ENTRY(tlb_miss_load) - bra call_dpf + bra call_handle_tlbmiss mov #0, r5 .align 2 ENTRY(tlb_miss_store) - bra call_dpf + bra call_handle_tlbmiss mov #1, r5 .align 2 ENTRY(initial_page_write) - bra call_dpf - mov #1, r5 + bra call_handle_tlbmiss + mov #2, r5 .align 2 ENTRY(tlb_protection_violation_load) - bra call_dpf + bra call_do_page_fault mov #0, r5 .align 2 ENTRY(tlb_protection_violation_store) - bra call_dpf + bra call_do_page_fault mov #1, r5 -call_dpf: +call_handle_tlbmiss: setup_frame_reg mov.l 1f, r0 mov r5, r8 mov.l @r0, r6 - mov r6, r9 mov.l 2f, r0 sts pr, r10 jsr @r0 @@ -152,16 +151,25 @@ call_dpf: lds r10, pr rts nop -0: mov.l 3f, r0 - mov r9, r6 +0: mov r8, r5 +call_do_page_fault: + mov.l 1f, r0 + mov.l @r0, r6 + + sti + + mov.l 3f, r0 + mov.l 4f, r1 + mov r15, r4 jmp @r0 - mov r15, r4 + lds r1, pr .align 2 1: .long MMU_TEA -2: .long __do_page_fault +2: .long handle_tlbmiss 3: .long do_page_fault +4: .long ret_from_exception .align 2 ENTRY(address_error_load) diff --git a/arch/sh/kernel/cpu/sh3/probe.c b/arch/sh/kernel/cpu/sh3/probe.c index 10f2a76..f9c7df6 100644 --- a/arch/sh/kernel/cpu/sh3/probe.c +++ b/arch/sh/kernel/cpu/sh3/probe.c @@ -107,5 +107,7 @@ int __uses_jump_to_uncached detect_cpu_and_cache_system(void) boot_cpu_data.dcache.flags |= SH_CACHE_COMBINED; boot_cpu_data.icache = boot_cpu_data.dcache; + boot_cpu_data.family = CPU_FAMILY_SH3; + return 0; } diff --git a/arch/sh/kernel/cpu/sh4/probe.c b/arch/sh/kernel/cpu/sh4/probe.c index 6c78d0a..695026a 100644 --- a/arch/sh/kernel/cpu/sh4/probe.c +++ b/arch/sh/kernel/cpu/sh4/probe.c @@ -57,8 +57,12 @@ int __init detect_cpu_and_cache_system(void) * Setup some generic flags we can probe on SH-4A parts */ if (((pvr >> 16) & 0xff) == 0x10) { - if ((cvr & 0x10000000) == 0) + boot_cpu_data.family = CPU_FAMILY_SH4A; + + if ((cvr & 0x10000000) == 0) { boot_cpu_data.flags |= CPU_HAS_DSP; + boot_cpu_data.family = CPU_FAMILY_SH4AL_DSP; + } boot_cpu_data.flags |= CPU_HAS_LLSC | CPU_HAS_PERF_COUNTER; boot_cpu_data.cut_major = pvr & 0x7f; @@ -68,6 +72,7 @@ int __init detect_cpu_and_cache_system(void) } else { /* And some SH-4 defaults.. */ boot_cpu_data.flags |= CPU_HAS_PTEA; + boot_cpu_data.family = CPU_FAMILY_SH4; } /* FPU detection works for everyone */ @@ -173,9 +178,6 @@ int __init detect_cpu_and_cache_system(void) boot_cpu_data.dcache.ways = 2; break; - default: - boot_cpu_data.type = CPU_SH_NONE; - break; } /* diff --git a/arch/sh/kernel/cpu/sh5/probe.c b/arch/sh/kernel/cpu/sh5/probe.c index 92ad844..521d05b 100644 --- a/arch/sh/kernel/cpu/sh5/probe.c +++ b/arch/sh/kernel/cpu/sh5/probe.c @@ -34,6 +34,8 @@ int __init detect_cpu_and_cache_system(void) /* CPU.VCR aliased at CIR address on SH5-101 */ boot_cpu_data.type = CPU_SH5_101; + boot_cpu_data.family = CPU_FAMILY_SH5; + /* * First, setup some sane values for the I-cache. */ |