79 lines
1.6 KiB
C
79 lines
1.6 KiB
C
#include <string.h>
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#include "ehci_types.h"
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#include "usb.h"
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#include "ehci.h"
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#include "alloc.h"
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void *VirtualToPhysical( void *address )
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{
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if( ((u32)address & 0xFFFF0000) == 0xFFFF0000 )
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return (void*)address;
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return (void*)((u32)address & 0x7FFFFFFF);
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}
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void sync_after_write( void *a, u32 v )
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{
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dc_flushrange( a, v );
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}
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void sync_before_read( void *a, u32 v )
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{
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dc_invalidaterange( a, v );
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}
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int usb_os_init(void)
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{
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return 0;
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}
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void *ehci_maligned(int size,int alignement,int crossing)
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{
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return (void*)malloca( size, alignement );
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}
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dma_addr_t ehci_virt_to_dma(void *a)
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{
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return (dma_addr_t)VirtualToPhysical(a);
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}
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dma_addr_t ehci_dma_map_to(void *buf,size_t len)
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{
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sync_after_write(buf, len);
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return (dma_addr_t)VirtualToPhysical(buf);
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}
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dma_addr_t ehci_dma_map_from(void *buf,size_t len)
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{
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sync_after_write(buf, len);
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return (dma_addr_t)VirtualToPhysical(buf);
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}
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dma_addr_t ehci_dma_map_bidir(void *buf,size_t len)
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{
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sync_after_write(buf, len);
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return (dma_addr_t)VirtualToPhysical(buf);
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}
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void ehci_dma_unmap_to(dma_addr_t buf,size_t len)
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{
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sync_before_read((void*)buf, len);
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}
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void ehci_dma_unmap_from(dma_addr_t buf,size_t len)
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{
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sync_before_read((void*)buf, len);
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}
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void ehci_dma_unmap_bidir(dma_addr_t buf,size_t len)
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{
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sync_before_read((void*)buf, len);
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}
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void *USB_Alloc(int size)
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{
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//u32 val;
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//__asm("mov %0,lr": "=r" (val) );
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//dbgprintf("USB_Alloc(%u) LR:%08x\n", size, val );
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//void *ptr = malloc(size);
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//memset( ptr, 0, size );
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//return ptr;
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return malloc(size);
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}
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void USB_Free(void *ptr)
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{
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return free(ptr);
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}
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