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[efi] Add efi_strerror()

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EFI_STATUS is defined as an INTN, which maps to UINT32 (i.e. unsigned
int) on i386 and UINT64 (i.e. unsigned long) on x86_64.  This would
require a cast each time the error status is printed.

Add efi_strerror() to avoid this ickiness and simultaneously enable
prettier reporting of EFI status codes.
This commit is contained in:
Michael Brown
2008-11-18 19:45:44 -08:00
parent d9b3d09910
commit 3f85626fa9
9 changed files with 81 additions and 31 deletions
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14
src/interface/efi/efi_io.c
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@@ -86,7 +86,8 @@ unsigned long long efi_ioread ( volatile void *io_addr, size_t size ) {
if ( ( efirc = read ( cpu_io, efi_width ( size ),
( intptr_t ) io_addr, 1,
( void * ) &data ) ) != 0 ) {
DBG ( "EFI I/O read at %p failed: %x\n", io_addr, efirc );
DBG ( "EFI I/O read at %p failed: %s\n",
io_addr, efi_strerror ( efirc ) );
return -1ULL;
}
@@ -111,7 +112,8 @@ void efi_iowrite ( unsigned long long data, volatile void *io_addr,
if ( ( efirc = write ( cpu_io, efi_width ( size ),
( intptr_t ) io_addr, 1,
( void * ) &data ) ) != 0 ) {
DBG ( "EFI I/O write at %p failed: %x\n", io_addr, efirc );
DBG ( "EFI I/O write at %p failed: %s\n",
io_addr, efi_strerror ( efirc ) );
}
}
@@ -134,8 +136,8 @@ void efi_ioreads ( volatile void *io_addr, void *data,
if ( ( efirc = read ( cpu_io, efi_width ( size ),
( intptr_t ) io_addr, count,
( void * ) data ) ) != 0 ) {
DBG ( "EFI I/O string read at %p failed: %x\n",
io_addr, efirc );
DBG ( "EFI I/O string read at %p failed: %s\n",
io_addr, efi_strerror ( efirc ) );
}
}
@@ -158,8 +160,8 @@ void efi_iowrites ( volatile void *io_addr, const void *data,
if ( ( efirc = write ( cpu_io, efi_width ( size ),
( intptr_t ) io_addr, count,
( void * ) data ) ) != 0 ) {
DBG ( "EFI I/O write at %p failed: %x\n",
io_addr, efirc );
DBG ( "EFI I/O write at %p failed: %s\n",
io_addr, efi_strerror ( efirc ) );
}
}