kern: bus: Simply return bus_space, don't remap

As of now, the bootloader handles setting up the MMIO regions and we'll
need huge page support (2 megs) for reassigning MMIO space

Signed-off-by: Ian Moffett <ian@osmora.org>

1 files changed, 0 insertions, 23 deletions

diff --git a/src/sys/arch/amd64/os/os_bus.c b/src/sys/arch/amd64/os/os_bus.c
index 96f841d..2c1d0dd 100644
--- a/src/sys/arch/amd64/os/os_bus.c
+++ b/src/sys/arch/amd64/os/os_bus.c
@@ -47,35 +47,12 @@ bus_space_map(struct bus_space *bp, bus_addr_t pa, size_t len)
     static size_t PSIZE = DEFAULT_PAGESIZE;
     struct vm_vas vas;
     struct mmu_map spec;
-    vaddr_t va;
     int error;
 
     if (bp == NULL || pa == 0) {
         return -EINVAL;
     }
 
-    /* Get the current VAS */
-    error = mmu_this_vas(&vas);
-    if (error < 0) {
-        printf("bus_space_map: could not read VAS\n");
-        return error;
-    }
-
-    spec.pa = pa;
-    spec.va = va;
-    error = vm_map(&vas, &spec, len, PROT_READ | PROT_WRITE);
-    if (error < 0) {
-        printf("bus_space_map: could not map base\n");
-        return error;
-    }
-
-    /* Mark uncachable and global */
-    pmap_set_cache(
-        &vas, pa,
-        MMU_CACHE_UC |
-        MMU_CACHE_GL
-    );
-
     /* Identity mapped */
     bp->va_base = (void *)pa;
     bp->length = len;