physical address → uintmem, not uintptr.
i/o port address → no particular type, but int seems more logical
	than uintptr.

Reference: /n/patches.lsub.org/patch/acpipa
Date: Sun Jul 22 05:51:42 CES 2012
Signed-off-by: quanstro@quanstro.net

--- /sys/src/nix/k10/acpi.h	Thu Apr 12 12:26:27 2012
+++ /sys/src/nix/k10/acpi.h	Sun Jul 22 04:48:18 2012
@@ -104,9 +104,9 @@
 
 struct Gpe
 {
-	uintptr	stsio;		/* port used for status */
+	int	stsio;		/* port used for status */
 	int	stsbit;		/* bit number */
-	uintptr	enio;		/* port used for enable */
+	int	enio;		/* port used for enable */
 	int	enbit;		/* bit number */
 	int	nb;		/* event number */
 	char*	obj;		/* handler object  */
@@ -235,7 +235,7 @@
  */
 struct Madt
 {
-	u64int	lapicpa;		/* local APIC addr */
+	uintmem	lapicpa;		/* local APIC addr */
 	int	pcat;		/* the machine has PC/AT 8259s */
 	Apicst*	st;		/* list of Apic related structures */
 };
@@ -251,8 +251,8 @@
 		} lapic;
 		struct{
 			int	id;	/* io apic id */
-			u32int	ibase;	/* interrupt base addr. */
-			u64int	addr;	/* base address */
+			int	ibase;	/* interrupt base addr. */
+			uintmem	addr;	/* base address */
 		} ioapic, iosapic;
 		struct{
 			int	irq;	/* bus intr. source (ISA only) */
--- /sys/src/nix/k10/devacpi.c	Tue Jul 10 14:41:49 2012
+++ /sys/src/nix/k10/devacpi.c	Sun Jul 22 04:51:04 2012
@@ -424,7 +424,7 @@
 }
 
 static void *
-sdtmap(uintptr pa, int *n, int cksum)
+sdtmap(uintmem pa, int *n, int cksum)
 {
 	Sdthdr* sdt;
 
@@ -448,7 +448,7 @@
 }
 
 static int
-loadfacs(uintptr pa)
+loadfacs(uintmem pa)
 {
 	int n;
 
@@ -473,7 +473,7 @@
 }
 
 static void
-loaddsdt(uintptr pa)
+loaddsdt(uintmem pa)
 {
 	int n;
 	uchar *dsdtp;
@@ -990,10 +990,8 @@
 			st->lnmi.lint = p[5];
 			break;
 		case ASladdr:
-			/* This is for 64 bits, perhaps we should not
-			 * honor it on 32 bits.
-			 */
-			apics->lapicpa = l64get(p+8);
+			if(sizeof(apics->lapicpa) >= 8)
+				apics->lapicpa = l64get(p+8);
 			break;
 		case ASiosapic:
 			id = st->iosapic.id = p[2];
@@ -1117,7 +1115,7 @@
 acpixsdtload(char *sig)
 {
 	int i, l, t, unmap, found;
-	uintptr dhpa;
+	uintmem dhpa;
 	uchar *sdt;
 	char tsig[5];
 
@@ -1168,7 +1166,7 @@
 static void*
 rsdsearch(char* signature)
 {
-	uintptr p;
+	uintmem p;
 	u8int *bda;
 	void *rsd;
 
@@ -1192,7 +1190,7 @@
 {
 	Rsdp *rsd;
 	int asize;
-	uintptr sdtpa;
+	uintmem sdtpa;
 
 	if((rsd = rsdsearch("RSD PTR ")) == nil)
 		return;
@@ -1273,9 +1271,6 @@
 static int
 Gfmt(Fmt* f)
 {
-	static char* rnames[] = {
-			"mem", "io", "pcicfg", "embed",
-			"smb", "cmos", "pcibar", "ipmi"};
 	Gas *g;
 
 	g = va_arg(f->args, Gas*);
@@ -1287,7 +1282,7 @@
 	case Rcmos:
 	case Rpcibar:
 	case Ripmi:
-		fmtprint(f, "[%s ", rnames[g->spc]);
+		fmtprint(f, "[%s ", acpiregstr(g->spc));
 		break;
 	case Rpcicfg:
 		fmtprint(f, "[pci ");
@@ -1306,7 +1301,7 @@
 }
 
 static uint
-getbanked(uintptr ra, uintptr rb, int sz)
+getbanked(int ra, int rb, int sz)
 {
 	uint r;
 
@@ -1337,7 +1332,7 @@
 }
 
 static uint
-setbanked(uintptr ra, uintptr rb, int sz, int v)
+setbanked(int ra, int rb, int sz, int v)
 {
 	uint r;