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Diffstat (limited to 'arch/riscv/mm/init.c')
-rw-r--r--arch/riscv/mm/init.c72
1 files changed, 54 insertions, 18 deletions
diff --git a/arch/riscv/mm/init.c b/arch/riscv/mm/init.c
index eed613599ba6..d466ec670e1f 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
@@ -843,7 +879,7 @@ static void __init create_fdt_early_page_table(pgd_t *pgdir, uintptr_t dtb_pa)
* MMU is not enabled, the page tables are allocated directly using
* early_pmd/pud/p4d and the address returned is the physical one.
*/
-void __init pt_ops_set_early(void)
+static void __init pt_ops_set_early(void)
{
pt_ops.alloc_pte = alloc_pte_early;
pt_ops.get_pte_virt = get_pte_virt_early;
@@ -865,7 +901,7 @@ void __init pt_ops_set_early(void)
* Note that this is called with MMU disabled, hence kernel_mapping_pa_to_va,
* but it will be used as described above.
*/
-void __init pt_ops_set_fixmap(void)
+static void __init pt_ops_set_fixmap(void)
{
pt_ops.alloc_pte = kernel_mapping_pa_to_va((uintptr_t)alloc_pte_fixmap);
pt_ops.get_pte_virt = kernel_mapping_pa_to_va((uintptr_t)get_pte_virt_fixmap);
@@ -883,7 +919,7 @@ void __init pt_ops_set_fixmap(void)
* MMU is enabled and page table setup is complete, so from now, we can use
* generic page allocation functions to setup page table.
*/
-void __init pt_ops_set_late(void)
+static void __init pt_ops_set_late(void)
{
pt_ops.alloc_pte = alloc_pte_late;
pt_ops.get_pte_virt = get_pte_virt_late;