diff options
| author | Laurent Vivier <laurent@vivier.eu> | 2022-04-06 22:15:23 +0200 |
|---|---|---|
| committer | Geert Uytterhoeven <geert@linux-m68k.org> | 2022-04-11 11:48:01 +0200 |
| commit | 05d51e42df06f0211c7029ab9aa46c492ee85043 (patch) | |
| tree | 0eaaad4386f25f382cdcf62e17090707d0e3f304 /arch/m68k/include/asm/pgtable_mm.h | |
| parent | clocksource/drivers: Add a goldfish-timer clocksource (diff) | |
| download | linux-05d51e42df06f0211c7029ab9aa46c492ee85043.tar.gz linux-05d51e42df06f0211c7029ab9aa46c492ee85043.zip | |
m68k: Introduce a virtual m68k machine
This machine allows to have up to 3.2 GiB and 128 Virtio devices.
It is based on android goldfish devices.
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Link: https://lore.kernel.org/r/20220406201523.243733-5-laurent@vivier.eu
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Diffstat (limited to 'arch/m68k/include/asm/pgtable_mm.h')
| -rw-r--r-- | arch/m68k/include/asm/pgtable_mm.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/m68k/include/asm/pgtable_mm.h b/arch/m68k/include/asm/pgtable_mm.h index 143ba7de9bda..9b4e2fe2ac82 100644 --- a/arch/m68k/include/asm/pgtable_mm.h +++ b/arch/m68k/include/asm/pgtable_mm.h @@ -80,6 +80,9 @@ #elif defined(CONFIG_COLDFIRE) #define KMAP_START 0xe0000000 #define KMAP_END 0xf0000000 +#elif defined(CONFIG_VIRT) +#define KMAP_START 0xdf000000 +#define KMAP_END 0xff000000 #else #define KMAP_START 0xd0000000 #define KMAP_END 0xf0000000 @@ -92,6 +95,10 @@ extern unsigned long m68k_vmalloc_end; #elif defined(CONFIG_COLDFIRE) #define VMALLOC_START 0xd0000000 #define VMALLOC_END 0xe0000000 +#elif defined(CONFIG_VIRT) +#define VMALLOC_OFFSET PAGE_SIZE +#define VMALLOC_START (((unsigned long) high_memory + VMALLOC_OFFSET) & ~(VMALLOC_OFFSET-1)) +#define VMALLOC_END KMAP_START #else /* Just any arbitrary offset to the start of the vmalloc VM area: the * current 8MB value just means that there will be a 8MB "hole" after the |