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Style and comment tweaks, no functional changes.

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This commit is contained in:
Ian Lepore 2013-11-05 05:01:46 +00:00
parent b4df095c2e
commit 0f7191e8ad
2 changed files with 11 additions and 10 deletions
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7
sys/arm/arm/devmap.c
View file

@ -62,7 +62,7 @@ vm_offset_t
arm_devmap_lastaddr()
{
const struct arm_devmap_entry *pd;
vm_offset_t lowaddr = ARM_VECTORS_HIGH;
vm_offset_t lowaddr;
if (akva_devmap_idx > 0)
return (akva_devmap_vaddr);
@ -70,6 +70,7 @@ arm_devmap_lastaddr()
if (devmap_table == NULL)
panic("arm_devmap_lastaddr(): No devmap table registered.");
lowaddr = ARM_VECTORS_HIGH;
for (pd = devmap_table; pd->pd_size != 0; ++pd) {
if (lowaddr > pd->pd_va)
lowaddr = pd->pd_va;
@ -95,7 +96,7 @@ arm_devmap_add_entry(vm_paddr_t pa, vm_size_t sz)
panic("arm_devmap_add_entry() after arm_devmap_bootstrap()");
if (akva_devmap_idx == (AKVA_DEVMAP_MAX_ENTRIES - 1))
panic("AKVA_DEVMAP_MAX_ENTRIES is too small!\n");
panic("AKVA_DEVMAP_MAX_ENTRIES is too small");
if (akva_devmap_idx == 0)
arm_devmap_register_table(akva_devmap_entries);
@ -152,7 +153,7 @@ arm_devmap_bootstrap(vm_offset_t l1pt, const struct arm_devmap_entry *table)
if (table != NULL)
devmap_table = table;
else if (devmap_table == NULL)
panic("arm_devmap_bootstrap(): No devmap table registered.");
panic("arm_devmap_bootstrap(): No devmap table registered");
for (pd = devmap_table; pd->pd_size != 0; ++pd) {
pmap_map_chunk(l1pt, pd->pd_va, pd->pd_pa, pd->pd_size,

14
sys/arm/include/devmap.h
View file

@ -42,18 +42,18 @@ struct arm_devmap_entry {
};
/*
* Returns the lowest KVA address used in any entry in the registered devmap
* Return the lowest KVA address used in any entry in the registered devmap
* table. This works with whatever table is registered, including the internal
* table used by arm_devmap_add_entry() if that routinue was used. Platforms can
* table used by arm_devmap_add_entry() if that routine was used. Platforms can
* implement initarm_lastaddr() by calling this if static device mappings are
* their only use of high KVA space.
*/
vm_offset_t arm_devmap_lastaddr(void);
/*
* Routine to automatically allocate KVA (from the top of the address space
* downwards) and make static device mapping entries in an internal table. The
* internal table is automatically registered on the first call to this.
* Automatically allocate KVA (from the top of the address space downwards) and
* make static device mapping entries in an internal table. The internal table
* is automatically registered on the first call to this.
*/
void arm_devmap_add_entry(vm_paddr_t pa, vm_size_t sz);
@ -74,8 +74,8 @@ void arm_devmap_bootstrap(vm_offset_t _l1pt,
const struct arm_devmap_entry *_table);
/*
* Routines to translate between virtual and physical addresses within a region
* that is static-mapped by the devmap code. If the given address range isn't
* Translate between virtual and physical addresses within a region that is
* static-mapped by the devmap code. If the given address range isn't
* static-mapped, then ptov returns NULL and vtop returns DEVMAP_PADDR_NOTFOUND.
* The latter implies that you can't vtop just the last byte of physical address
* space. This is not as limiting as it might sound, because even if a device