diff options
Diffstat (limited to 'arch/sparc/kernel/setup_64.c')
| -rw-r--r-- | arch/sparc/kernel/setup_64.c | 88 |
1 files changed, 76 insertions, 12 deletions
diff --git a/arch/sparc/kernel/setup_64.c b/arch/sparc/kernel/setup_64.c index 1414d16712b..0eaf0059aae 100644 --- a/arch/sparc/kernel/setup_64.c +++ b/arch/sparc/kernel/setup_64.c @@ -316,6 +316,25 @@ static void __init popc_patch(void) } } +static void __init pause_patch(void) +{ + struct pause_patch_entry *p; + + p = &__pause_3insn_patch; + while (p < &__pause_3insn_patch_end) { + unsigned long i, addr = p->addr; + + for (i = 0; i < 3; i++) { + *(unsigned int *) (addr + (i * 4)) = p->insns[i]; + wmb(); + __asm__ __volatile__("flush %0" + : : "r" (addr + (i * 4))); + } + + p++; + } +} + #ifdef CONFIG_SMP void __init boot_cpu_id_too_large(int cpu) { @@ -340,7 +359,12 @@ static const char *hwcaps[] = { */ "mul32", "div32", "fsmuld", "v8plus", "popc", "vis", "vis2", "ASIBlkInit", "fmaf", "vis3", "hpc", "random", "trans", "fjfmau", - "ima", "cspare", + "ima", "cspare", "pause", "cbcond", +}; + +static const char *crypto_hwcaps[] = { + "aes", "des", "kasumi", "camellia", "md5", "sha1", "sha256", + "sha512", "mpmul", "montmul", "montsqr", "crc32c", }; void cpucap_info(struct seq_file *m) @@ -357,27 +381,61 @@ void cpucap_info(struct seq_file *m) printed++; } } + if (caps & HWCAP_SPARC_CRYPTO) { + unsigned long cfr; + + __asm__ __volatile__("rd %%asr26, %0" : "=r" (cfr)); + for (i = 0; i < ARRAY_SIZE(crypto_hwcaps); i++) { + unsigned long bit = 1UL << i; + if (cfr & bit) { + seq_printf(m, "%s%s", + printed ? "," : "", crypto_hwcaps[i]); + printed++; + } + } + } seq_putc(m, '\n'); } +static void __init report_one_hwcap(int *printed, const char *name) +{ + if ((*printed) == 0) + printk(KERN_INFO "CPU CAPS: ["); + printk(KERN_CONT "%s%s", + (*printed) ? "," : "", name); + if (++(*printed) == 8) { + printk(KERN_CONT "]\n"); + *printed = 0; + } +} + +static void __init report_crypto_hwcaps(int *printed) +{ + unsigned long cfr; + int i; + + __asm__ __volatile__("rd %%asr26, %0" : "=r" (cfr)); + + for (i = 0; i < ARRAY_SIZE(crypto_hwcaps); i++) { + unsigned long bit = 1UL << i; + if (cfr & bit) + report_one_hwcap(printed, crypto_hwcaps[i]); + } +} + static void __init report_hwcaps(unsigned long caps) { int i, printed = 0; - printk(KERN_INFO "CPU CAPS: ["); for (i = 0; i < ARRAY_SIZE(hwcaps); i++) { unsigned long bit = 1UL << i; - if (caps & bit) { - printk(KERN_CONT "%s%s", - printed ? "," : "", hwcaps[i]); - if (++printed == 8) { - printk(KERN_CONT "]\n"); - printk(KERN_INFO "CPU CAPS: ["); - printed = 0; - } - } + if (caps & bit) + report_one_hwcap(&printed, hwcaps[i]); } - printk(KERN_CONT "]\n"); + if (caps & HWCAP_SPARC_CRYPTO) + report_crypto_hwcaps(&printed); + if (printed != 0) + printk(KERN_CONT "]\n"); } static unsigned long __init mdesc_cpu_hwcap_list(void) @@ -411,6 +469,10 @@ static unsigned long __init mdesc_cpu_hwcap_list(void) break; } } + for (i = 0; i < ARRAY_SIZE(crypto_hwcaps); i++) { + if (!strcmp(prop, crypto_hwcaps[i])) + caps |= HWCAP_SPARC_CRYPTO; + } plen = strlen(prop) + 1; prop += plen; @@ -485,6 +547,8 @@ static void __init init_sparc64_elf_hwcap(void) if (sparc64_elf_hwcap & AV_SPARC_POPC) popc_patch(); + if (sparc64_elf_hwcap & AV_SPARC_PAUSE) + pause_patch(); } void __init setup_arch(char **cmdline_p) |