Use uintmax_t (typedef'd to rman_res_t type) for rman ranges.

On some architectures, u_long isn't large enough for resource definitions.
Particularly, powerpc and arm allow 36-bit (or larger) physical addresses, but
type `long' is only 32-bit.  This extends rman's resources to uintmax_t.  With
this change, any resource can feasibly be placed anywhere in physical memory
(within the constraints of the driver).

Why uintmax_t and not something machine dependent, or uint64_t?  Though it's
possible for uintmax_t to grow, it's highly unlikely it will become 128-bit on
32-bit architectures.  64-bit architectures should have plenty of RAM to absorb
the increase on resource sizes if and when this occurs, and the number of
resources on memory-constrained systems should be sufficiently small as to not
pose a drastic overhead.  That being said, uintmax_t was chosen for source
clarity.  If it's specified as uint64_t, all printf()-like calls would either
need casts to uintmax_t, or be littered with PRI*64 macros.  Casts to uintmax_t
aren't horrible, but it would also bake into the API for
resource_list_print_type() either a hidden assumption that entries get cast to
uintmax_t for printing, or these calls would need the PRI*64 macros.  Since
source code is meant to be read more often than written, I chose the clearest
path of simply using uintmax_t.

Tested on a PowerPC p5020-based board, which places all device resources in
0xfxxxxxxxx, and has 8GB RAM.
Regression tested on qemu-system-i386
Regression tested on qemu-system-mips (malta profile)

Tested PAE and devinfo on virtualbox (live CD)

Special thanks to bz for his testing on ARM.

Reviewed By: bz, jhb (previous)
Relnotes:	Yes
Sponsored by:	Alex Perez/Inertial Computing
Differential Revision: https://reviews.freebsd.org/D4544

1 files changed, 3 insertions, 3 deletions

diff --git a/sys/dev/mxge/if_mxge.c b/sys/dev/mxge/if_mxge.c
index 928917f9cf8f..ddbaf89c8230 100644
--- a/sys/dev/mxge/if_mxge.c
+++ b/sys/dev/mxge/if_mxge.c
@@ -4612,7 +4612,7 @@ mxge_add_msix_irqs(mxge_softc_t *sc)
 		device_printf(sc->dev, "using %d msix IRQs:",
 			      sc->num_slices);
 		for (i = 0; i < sc->num_slices; i++)
-			printf(" %ld",  rman_get_start(sc->msix_irq_res[i]));
+			printf(" %jd", rman_get_start(sc->msix_irq_res[i]));
 		printf("\n");
 	}
 	return (0);
@@ -4668,7 +4668,7 @@ mxge_add_single_irq(mxge_softc_t *sc)
 		return ENXIO;
 	}
 	if (mxge_verbose)
-		device_printf(sc->dev, "using %s irq %ld\n",
+		device_printf(sc->dev, "using %s irq %jd\n",
 			      sc->legacy_irq ? "INTx" : "MSI",
 			      rman_get_start(sc->irq_res));
 	err = bus_setup_intr(sc->dev, sc->irq_res,
@@ -4823,7 +4823,7 @@ mxge_attach(device_t dev)
 	sc->sram = rman_get_virtual(sc->mem_res);
 	sc->sram_size = 2*1024*1024 - (2*(48*1024)+(32*1024)) - 0x100;
 	if (sc->sram_size > rman_get_size(sc->mem_res)) {
-		device_printf(dev, "impossible memory region size %ld\n",
+		device_printf(dev, "impossible memory region size %jd\n",
 			      rman_get_size(sc->mem_res));
 		err = ENXIO;
 		goto abort_with_mem_res;