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