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[bios] Allow relocate.c to be compiled for x86_64 

Signed-off-by: Michael Brown <mcb30@ipxe.org>
pull/45/head
Michael Brown 2016-02-16 16:13:30 +00:00
parent 9f79f5f1a5
commit 44e05b0ffc
1 changed files with 12 additions and 12 deletions
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24
src/arch/i386/core/relocate.c
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@ -16,7 +16,7 @@ FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
* *
*/ */
extern char _max_align[]; extern char _max_align[];
#define max_align ( ( unsigned int ) _max_align ) #define max_align ( ( size_t ) _max_align )
/* Linker symbols */ /* Linker symbols */
extern char _textdata[]; extern char _textdata[];
@ -44,8 +44,8 @@ extern char _etextdata[];
*/ */
__asmcall void relocate ( struct i386_all_regs *ix86 ) { __asmcall void relocate ( struct i386_all_regs *ix86 ) {
struct memory_map memmap; struct memory_map memmap;
unsigned long start, end, size, padded_size, max; uint32_t start, end, size, padded_size, max;
unsigned long new_start, new_end; uint32_t new_start, new_end;
unsigned i; unsigned i;
/* Get memory map and current location */ /* Get memory map and current location */
@ -55,15 +55,15 @@ __asmcall void relocate ( struct i386_all_regs *ix86 ) {
size = ( end - start ); size = ( end - start );
padded_size = ( size + max_align - 1 ); padded_size = ( size + max_align - 1 );
DBG ( "Relocate: currently at [%lx,%lx)\n" DBG ( "Relocate: currently at [%x,%x)\n"
"...need %lx bytes for %d-byte alignment\n", "...need %x bytes for %zd-byte alignment\n",
start, end, padded_size, max_align ); start, end, padded_size, max_align );
/* Determine maximum usable address */ /* Determine maximum usable address */
max = MAX_ADDR; max = MAX_ADDR;
if ( ix86->regs.ebp < max ) { if ( ix86->regs.ebp < max ) {
max = ix86->regs.ebp; max = ix86->regs.ebp;
DBG ( "Limiting relocation to [0,%lx)\n", max ); DBG ( "Limiting relocation to [0,%x)\n", max );
} }
/* Walk through the memory map and find the highest address /* Walk through the memory map and find the highest address
@ -72,7 +72,7 @@ __asmcall void relocate ( struct i386_all_regs *ix86 ) {
new_end = end; new_end = end;
for ( i = 0 ; i < memmap.count ; i++ ) { for ( i = 0 ; i < memmap.count ; i++ ) {
struct memory_region *region = &memmap.regions[i]; struct memory_region *region = &memmap.regions[i];
unsigned long r_start, r_end; uint32_t r_start, r_end;
DBG ( "Considering [%llx,%llx)\n", region->start, region->end); DBG ( "Considering [%llx,%llx)\n", region->start, region->end);
@ -81,17 +81,17 @@ __asmcall void relocate ( struct i386_all_regs *ix86 ) {
* with using just 32-bit arithmetic after this stage. * with using just 32-bit arithmetic after this stage.
*/ */
if ( region->start > max ) { if ( region->start > max ) {
DBG ( "...starts after max=%lx\n", max ); DBG ( "...starts after max=%x\n", max );
continue; continue;
} }
r_start = region->start; r_start = region->start;
if ( region->end > max ) { if ( region->end > max ) {
DBG ( "...end truncated to max=%lx\n", max ); DBG ( "...end truncated to max=%x\n", max );
r_end = max; r_end = max;
} else { } else {
r_end = region->end; r_end = region->end;
} }
DBG ( "...usable portion is [%lx,%lx)\n", r_start, r_end ); DBG ( "...usable portion is [%x,%x)\n", r_start, r_end );
/* If we have rounded down r_end below r_ start, skip /* If we have rounded down r_end below r_ start, skip
* this block. * this block.
@ -103,7 +103,7 @@ __asmcall void relocate ( struct i386_all_regs *ix86 ) {
/* Check that there is enough space to fit in iPXE */ /* Check that there is enough space to fit in iPXE */
if ( ( r_end - r_start ) < size ) { if ( ( r_end - r_start ) < size ) {
DBG ( "...too small (need %lx bytes)\n", size ); DBG ( "...too small (need %x bytes)\n", size );
continue; continue;
} }
@ -128,7 +128,7 @@ __asmcall void relocate ( struct i386_all_regs *ix86 ) {
new_start += ( start - new_start ) & ( max_align - 1 ); new_start += ( start - new_start ) & ( max_align - 1 );
new_end = new_start + size; new_end = new_start + size;
DBG ( "Relocating from [%lx,%lx) to [%lx,%lx)\n", DBG ( "Relocating from [%x,%x) to [%x,%x)\n",
start, end, new_start, new_end ); start, end, new_start, new_end );
/* Let prefix know what to copy */ /* Let prefix know what to copy */