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pc64: add R8-R15 in dumpregs()

--- a/sys/src/9/pc64/trap.c

+++ b/sys/src/9/pc64/trap.c

@@ -475,16 +475,24 @@

 			m->machno, up->text, up->pid);

 	else

 		iprint("cpu%d: registers for kernel\n", m->machno);

-	iprint("FLAGS=%#p TYPE=%#p ERROR=%#p PC=%#p SP=%#p",

-		ureg->flags, ureg->type, ureg->error, ureg->pc, ureg->sp);

-	iprint("  AX %#p  BX %#p  CX %#p  DX %#p\n",

-		ureg->ax, ureg->bx, ureg->cx, ureg->dx);

-	iprint("  SI %#p  DI %#p  BP %#p\n",

-		ureg->si, ureg->di, ureg->bp);

-	iprint("  CS %4.4lluX  DS %4.4uX  ES %4.4uX  FS %4.4uX  GS %4.4uX\n",

-		ureg->cs & 0xFFFF, ureg->ds & 0xFFFF, ureg->es & 0xFFFF,

-		ureg->fs & 0xFFFF, ureg->gs & 0xFFFF);

+	iprint("  DS %.4uX      AX %.16lluX  BX %.16lluX  CX %.16lluX\n",

+		ureg->ds, ureg->ax, ureg->bx, ureg->cx);

+	iprint("  ES %.4uX      DX %.16lluX  SI %.16lluX  DI %.16lluX\n",

+		ureg->es, ureg->dx, ureg->si, ureg->di);

+	iprint("  FS %.4uX      BP %.16lluX  R8 %.16lluX  R9 %.16lluX\n",

+		ureg->fs, ureg->bp, ureg->r8, ureg->r9);

+	iprint("  GS %.4uX     R10 %.16lluX R11 %.16lluX R12 %.16lluX\n",

+		ureg->gs, ureg->r10, ureg->r11, ureg->r12);

+

+	iprint("  SS %.4lluX     R13 %.16lluX R14 %.16lluX R15 %.16lluX\n",

+		ureg->ss & 0xffff, ureg->r13, ureg->r14, ureg->r15);

+	iprint("  CS %.4lluX      PC %.16lluX  SP %.16lluX\n",

+		ureg->cs & 0xffff, ureg->pc, ureg->sp);

+

+	iprint("TYPE %.2lluX     ERROR %.4lluX           FLAGS %.8lluX\n",

+		ureg->type & 0xff, ureg->flags & 0xffffffff, ureg->error & 0xffff);

+

 	/*

 	 * Processor control registers.

 	 * If machine check exception, time stamp counter, page size extensions

@@ -492,7 +500,7 @@

 	 * CR4. If there is a CR4 and machine check extensions, read the machine

 	 * check address and machine check type registers if RDMSR supported.

 	 */

-	iprint("  CR0 %8.8llux CR2 %16.16llux CR3 %16.16llux",

+	iprint(" CR0 %8.8llux CR2 %16.16llux CR3 %16.16llux",

 		getcr0(), getcr2(), getcr3());

 	if(m->cpuiddx & (Mce|Tsc|Pse|Vmex)){

 		iprint(" CR4 %16.16llux", getcr4());

@@ -501,7 +509,7 @@

 			rdmsr(0x00, &mca);

 			rdmsr(0x01, &mct);

-			iprint("\n  MCA %8.8llux MCT %8.8llux", mca, mct);

+			iprint("\n MCA %8.8llux MCT %8.8llux", mca, mct);

 		}

 	}

 	iprint("\n  ur %#p up %#p\n", ureg, up);