diff options
Diffstat (limited to 'arch/riscv/mm/init.c')
| -rw-r--r-- | arch/riscv/mm/init.c | 66 |
1 files changed, 51 insertions, 15 deletions
diff --git a/arch/riscv/mm/init.c b/arch/riscv/mm/init.c index eed613599ba6..7d8da6105b62 100644 --- a/arch/riscv/mm/init.c +++ b/arch/riscv/mm/init.c @@ -76,38 +76,74 @@ static void __init zone_sizes_init(void) } #if defined(CONFIG_MMU) && defined(CONFIG_DEBUG_VM) + +#define LOG2_SZ_1K ilog2(SZ_1K) +#define LOG2_SZ_1M ilog2(SZ_1M) +#define LOG2_SZ_1G ilog2(SZ_1G) +#define LOG2_SZ_1T ilog2(SZ_1T) + static inline void print_mlk(char *name, unsigned long b, unsigned long t) { pr_notice("%12s : 0x%08lx - 0x%08lx (%4ld kB)\n", name, b, t, - (((t) - (b)) >> 10)); + (((t) - (b)) >> LOG2_SZ_1K)); } static inline void print_mlm(char *name, unsigned long b, unsigned long t) { pr_notice("%12s : 0x%08lx - 0x%08lx (%4ld MB)\n", name, b, t, - (((t) - (b)) >> 20)); + (((t) - (b)) >> LOG2_SZ_1M)); +} + +static inline void print_mlg(char *name, unsigned long b, unsigned long t) +{ + pr_notice("%12s : 0x%08lx - 0x%08lx (%4ld GB)\n", name, b, t, + (((t) - (b)) >> LOG2_SZ_1G)); +} + +#ifdef CONFIG_64BIT +static inline void print_mlt(char *name, unsigned long b, unsigned long t) +{ + pr_notice("%12s : 0x%08lx - 0x%08lx (%4ld TB)\n", name, b, t, + (((t) - (b)) >> LOG2_SZ_1T)); +} +#else +#define print_mlt(n, b, t) do {} while (0) +#endif + +static inline void print_ml(char *name, unsigned long b, unsigned long t) +{ + unsigned long diff = t - b; + + if (IS_ENABLED(CONFIG_64BIT) && (diff >> LOG2_SZ_1T) >= 10) + print_mlt(name, b, t); + else if ((diff >> LOG2_SZ_1G) >= 10) + print_mlg(name, b, t); + else if ((diff >> LOG2_SZ_1M) >= 10) + print_mlm(name, b, t); + else + print_mlk(name, b, t); } static void __init print_vm_layout(void) { pr_notice("Virtual kernel memory layout:\n"); - print_mlk("fixmap", (unsigned long)FIXADDR_START, - (unsigned long)FIXADDR_TOP); - print_mlm("pci io", (unsigned long)PCI_IO_START, - (unsigned long)PCI_IO_END); - print_mlm("vmemmap", (unsigned long)VMEMMAP_START, - (unsigned long)VMEMMAP_END); - print_mlm("vmalloc", (unsigned long)VMALLOC_START, - (unsigned long)VMALLOC_END); - print_mlm("lowmem", (unsigned long)PAGE_OFFSET, - (unsigned long)high_memory); + print_ml("fixmap", (unsigned long)FIXADDR_START, + (unsigned long)FIXADDR_TOP); + print_ml("pci io", (unsigned long)PCI_IO_START, + (unsigned long)PCI_IO_END); + print_ml("vmemmap", (unsigned long)VMEMMAP_START, + (unsigned long)VMEMMAP_END); + print_ml("vmalloc", (unsigned long)VMALLOC_START, + (unsigned long)VMALLOC_END); + print_ml("lowmem", (unsigned long)PAGE_OFFSET, + (unsigned long)high_memory); if (IS_ENABLED(CONFIG_64BIT)) { #ifdef CONFIG_KASAN - print_mlm("kasan", KASAN_SHADOW_START, KASAN_SHADOW_END); + print_ml("kasan", KASAN_SHADOW_START, KASAN_SHADOW_END); #endif - print_mlm("kernel", (unsigned long)KERNEL_LINK_ADDR, - (unsigned long)ADDRESS_SPACE_END); + print_ml("kernel", (unsigned long)KERNEL_LINK_ADDR, + (unsigned long)ADDRESS_SPACE_END); } } #else |