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loader/powerpc64: Include generic PVR values in CAS architecture list

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Add generic PVR values for PowerISA 2.07 and 3.00.  This allows booting pseries
in QEMU with compatibilty mode enabled.

Submitted by:	Shawn Anastasio <shawn@anastas.io>
This commit is contained in:
Justin Hibbits 2019-10-08 02:36:53 +00:00
parent 84046d16eb
commit dbef5f7155
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=353297
1 changed files with 21 additions and 15 deletions
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36
stand/powerpc/ofw/cas.c
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@ -30,11 +30,15 @@ __FBSDID("$FreeBSD$");
#include <stand.h>
/* PVR */
#define PVR_VER_P8E 0x004b0000
#define PVR_VER_P8NVL 0x004c0000
#define PVR_VER_P8 0x004d0000
#define PVR_VER_P9 0x004e0000
#define PVR_VER_MASK 0xffff0000
#define PVR_CPU_P8E 0x004b0000
#define PVR_CPU_P8NVL 0x004c0000
#define PVR_CPU_P8 0x004d0000
#define PVR_CPU_P9 0x004e0000
#define PVR_CPU_MASK 0xffff0000
#define PVR_ISA_207 0x0f000004
#define PVR_ISA_300 0x0f000005
#define PVR_ISA_MASK 0xffffffff
/* loader version of kernel's CPU_MAXSIZE */
#define MAX_CPUS ((uint32_t)256u)
@ -106,7 +110,7 @@ struct opt_vec5 {
} __packed;
static struct ibm_arch_vec {
struct pvr pvr_list[5];
struct pvr pvr_list[7];
uint8_t num_opts;
struct opt_vec_ignore vec1;
struct opt_vec_ignore vec2;
@ -115,10 +119,12 @@ static struct ibm_arch_vec {
struct opt_vec5 vec5;
} __packed ibm_arch_vec = {
/* pvr_list */ {
{ PVR_VER_MASK, PVR_VER_P8 }, /* POWER8 */
{ PVR_VER_MASK, PVR_VER_P8E }, /* POWER8E */
{ PVR_VER_MASK, PVR_VER_P8NVL }, /* POWER8NVL */
{ PVR_VER_MASK, PVR_VER_P9 }, /* POWER9 */
{ PVR_CPU_MASK, PVR_CPU_P8 }, /* POWER8 */
{ PVR_CPU_MASK, PVR_CPU_P8E }, /* POWER8E */
{ PVR_CPU_MASK, PVR_CPU_P8NVL }, /* POWER8NVL */
{ PVR_CPU_MASK, PVR_CPU_P9 }, /* POWER9 */
{ PVR_ISA_MASK, PVR_ISA_207 }, /* All ISA 2.07 */
{ PVR_ISA_MASK, PVR_ISA_300 }, /* All ISA 3.00 */
{ 0, 0xffffffffu } /* terminator */
},
4, /* num_opts (4 actually means 5 option vectors) */
@ -192,11 +198,11 @@ ppc64_cas(void)
cell_t err;
/* Perform CAS only for POWER8 and later cores */
switch (mfpvr() & PVR_VER_MASK) {
case PVR_VER_P8:
case PVR_VER_P8E:
case PVR_VER_P8NVL:
case PVR_VER_P9:
switch (mfpvr() & PVR_CPU_MASK) {
case PVR_CPU_P8:
case PVR_CPU_P8E:
case PVR_CPU_P8NVL:
case PVR_CPU_P9:
break;
default:
return (0);