mirror of
https://github.com/torvalds/linux.git
synced 2024-12-05 02:23:16 +00:00
[IA64-SGI] - new macros for SGI SN simulator
This patch changes some macros that are used when running kernel on the SGI simulator. Signed-off-by: Jack Steiner <steiner@sgi.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
This commit is contained in:
parent
8e4641b3ee
commit
71a5d027c9
@ -384,7 +384,7 @@ static int __init sn_pci_init(void)
|
||||
extern void register_sn_procfs(void);
|
||||
#endif
|
||||
|
||||
if (!ia64_platform_is("sn2") || IS_RUNNING_ON_SIMULATOR())
|
||||
if (!ia64_platform_is("sn2") || IS_RUNNING_ON_FAKE_PROM())
|
||||
return 0;
|
||||
|
||||
/*
|
||||
|
@ -96,6 +96,7 @@ u8 sn_coherency_id;
|
||||
EXPORT_SYMBOL(sn_coherency_id);
|
||||
u8 sn_region_size;
|
||||
EXPORT_SYMBOL(sn_region_size);
|
||||
int sn_prom_type; /* 0=hardware, 1=medusa/realprom, 2=medusa/fakeprom */
|
||||
|
||||
short physical_node_map[MAX_PHYSNODE_ID];
|
||||
|
||||
@ -354,7 +355,7 @@ void __init sn_setup(char **cmdline_p)
|
||||
|
||||
ia64_mark_idle = &snidle;
|
||||
|
||||
/*
|
||||
/*
|
||||
* For the bootcpu, we do this here. All other cpus will make the
|
||||
* call as part of cpu_init in slave cpu initialization.
|
||||
*/
|
||||
@ -401,7 +402,7 @@ static void __init sn_init_pdas(char **cmdline_p)
|
||||
nodepdaindr[cnode] =
|
||||
alloc_bootmem_node(NODE_DATA(cnode), sizeof(nodepda_t));
|
||||
memset(nodepdaindr[cnode], 0, sizeof(nodepda_t));
|
||||
memset(nodepdaindr[cnode]->phys_cpuid, -1,
|
||||
memset(nodepdaindr[cnode]->phys_cpuid, -1,
|
||||
sizeof(nodepdaindr[cnode]->phys_cpuid));
|
||||
}
|
||||
|
||||
@ -431,7 +432,7 @@ static void __init sn_init_pdas(char **cmdline_p)
|
||||
}
|
||||
|
||||
/*
|
||||
* Initialize the per node hubdev. This includes IO Nodes and
|
||||
* Initialize the per node hubdev. This includes IO Nodes and
|
||||
* headless/memless nodes.
|
||||
*/
|
||||
for (cnode = 0; cnode < numionodes; cnode++) {
|
||||
@ -459,6 +460,14 @@ void __init sn_cpu_init(void)
|
||||
int i;
|
||||
static int wars_have_been_checked;
|
||||
|
||||
if (smp_processor_id() == 0 && IS_MEDUSA()) {
|
||||
if (ia64_sn_is_fake_prom())
|
||||
sn_prom_type = 2;
|
||||
else
|
||||
sn_prom_type = 1;
|
||||
printk("Running on medusa with %s PROM\n", (sn_prom_type == 1) ? "real" : "fake");
|
||||
}
|
||||
|
||||
memset(pda, 0, sizeof(pda));
|
||||
if (ia64_sn_get_sn_info(0, &sn_hub_info->shub2, &sn_hub_info->nasid_bitmask, &sn_hub_info->nasid_shift,
|
||||
&sn_system_size, &sn_sharing_domain_size, &sn_partition_id,
|
||||
@ -524,7 +533,7 @@ void __init sn_cpu_init(void)
|
||||
*/
|
||||
{
|
||||
u64 pio1[] = {SH1_PIO_WRITE_STATUS_0, 0, SH1_PIO_WRITE_STATUS_1, 0};
|
||||
u64 pio2[] = {SH2_PIO_WRITE_STATUS_0, SH2_PIO_WRITE_STATUS_1,
|
||||
u64 pio2[] = {SH2_PIO_WRITE_STATUS_0, SH2_PIO_WRITE_STATUS_1,
|
||||
SH2_PIO_WRITE_STATUS_2, SH2_PIO_WRITE_STATUS_3};
|
||||
u64 *pio;
|
||||
pio = is_shub1() ? pio1 : pio2;
|
||||
@ -556,6 +565,10 @@ static void __init scan_for_ionodes(void)
|
||||
int nasid = 0;
|
||||
lboard_t *brd;
|
||||
|
||||
/* fakeprom does not support klgraph */
|
||||
if (IS_RUNNING_ON_FAKE_PROM())
|
||||
return;
|
||||
|
||||
/* Setup ionodes with memory */
|
||||
for (nasid = 0; nasid < MAX_PHYSNODE_ID; nasid += 2) {
|
||||
char *klgraph_header;
|
||||
@ -567,8 +580,6 @@ static void __init scan_for_ionodes(void)
|
||||
cnodeid = -1;
|
||||
klgraph_header = __va(ia64_sn_get_klconfig_addr(nasid));
|
||||
if (!klgraph_header) {
|
||||
if (IS_RUNNING_ON_SIMULATOR())
|
||||
continue;
|
||||
BUG(); /* All nodes must have klconfig tables! */
|
||||
}
|
||||
cnodeid = nasid_to_cnodeid(nasid);
|
||||
@ -634,8 +645,8 @@ int
|
||||
nasid_slice_to_cpuid(int nasid, int slice)
|
||||
{
|
||||
long cpu;
|
||||
|
||||
for (cpu=0; cpu < NR_CPUS; cpu++)
|
||||
|
||||
for (cpu=0; cpu < NR_CPUS; cpu++)
|
||||
if (cpuid_to_nasid(cpu) == nasid &&
|
||||
cpuid_to_slice(cpu) == slice)
|
||||
return cpu;
|
||||
|
@ -10,16 +10,17 @@
|
||||
|
||||
#include <linux/config.h>
|
||||
|
||||
#ifdef CONFIG_IA64_SGI_SN_SIM
|
||||
|
||||
#define SNMAGIC 0xaeeeeeee8badbeefL
|
||||
#define IS_RUNNING_ON_SIMULATOR() ({long sn; asm("mov %0=cpuid[%1]" : "=r"(sn) : "r"(2)); sn == SNMAGIC;})
|
||||
|
||||
#define SIMULATOR_SLEEP() asm("nop.i 0x8beef")
|
||||
#define IS_MEDUSA() ({long sn; asm("mov %0=cpuid[%1]" : "=r"(sn) : "r"(2)); sn == SNMAGIC;})
|
||||
|
||||
#ifdef CONFIG_IA64_SGI_SN_SIM
|
||||
#define SIMULATOR_SLEEP() asm("nop.i 0x8beef")
|
||||
#define IS_RUNNING_ON_SIMULATOR() (sn_prom_type)
|
||||
#define IS_RUNNING_ON_FAKE_PROM() (sn_prom_type == 2)
|
||||
extern int sn_prom_type; /* 0=hardware, 1=medusa/realprom, 2=medusa/fakeprom */
|
||||
#else
|
||||
|
||||
#define IS_RUNNING_ON_SIMULATOR() (0)
|
||||
#define IS_RUNNING_ON_FAKE_PROM() (0)
|
||||
#define SIMULATOR_SLEEP()
|
||||
|
||||
#endif
|
||||
|
@ -132,6 +132,8 @@
|
||||
#define SALRET_INVALID_ARG (-2)
|
||||
#define SALRET_ERROR (-3)
|
||||
|
||||
#define SN_SAL_FAKE_PROM 0x02009999
|
||||
|
||||
|
||||
/**
|
||||
* sn_sal_rev_major - get the major SGI SAL revision number
|
||||
@ -1105,4 +1107,12 @@ ia64_sn_bte_recovery(nasid_t nasid)
|
||||
return (int) rv.status;
|
||||
}
|
||||
|
||||
static inline int
|
||||
ia64_sn_is_fake_prom(void)
|
||||
{
|
||||
struct ia64_sal_retval rv;
|
||||
SAL_CALL_NOLOCK(rv, SN_SAL_FAKE_PROM, 0, 0, 0, 0, 0, 0, 0);
|
||||
return (rv.status == 0);
|
||||
}
|
||||
|
||||
#endif /* _ASM_IA64_SN_SN_SAL_H */
|
||||
|
Loading…
Reference in New Issue
Block a user