openwrt/upstream - upstream openwrt

	Commit message (Expand)	Author	Age	Files	Lines
*	layerscape: add patches-5.4	Yangbo Lu	2020-05-07	1	-0/+150

/* * Xen misc * * Functions/decls that are/may be needed to link with Xen because * of x86 dependencies * * Copyright (C) 2004 Hewlett-Packard Co. * Dan Magenheimer (dan.magenheimer@hp.com) * */ #include <linux/config.h> #include <xen/sched.h> #include <linux/efi.h> #include <asm/processor.h> #include <xen/serial.h> #include <asm/io.h> #include <xen/softirq.h> efi_memory_desc_t ia64_efi_io_md; EXPORT_SYMBOL(ia64_efi_io_md); unsigned long wait_init_idle; int phys_proc_id[NR_CPUS]; unsigned long loops_per_jiffy = (1<<12); // from linux/init/main.c unsigned int watchdog_on = 0; // from arch/x86/nmi.c ?!? void unw_init(void) { printf("unw_init() skipped (NEED FOR KERNEL UNWIND)\n"); } void ia64_mca_init(void) { printf("ia64_mca_init() skipped (Machine check abort handling)\n"); } void hpsim_setup(char **x) { printf("hpsim_setup() skipped (MAY NEED FOR CONSOLE INPUT!!!)\n"); } long is_platform_hp_ski(void) { int i; long cpuid[6]; for (i = 0; i < 5; ++i) cpuid[i] = ia64_get_cpuid(i); if ((cpuid[0] & 0xff) != 'H') return 0; if ((cpuid[3] & 0xff) != 0x4) return 0; if (((cpuid[3] >> 8) & 0xff) != 0x0) return 0; if (((cpuid[3] >> 16) & 0xff) != 0x0) return 0; if (((cpuid[3] >> 24) & 0x7) != 0x7) return 0; return 1; } long platform_is_hp_ski(void) { extern long running_on_sim; return running_on_sim; } /* calls in xen/common code that are unused on ia64 */ void synchronise_execution_state(unsigned long cpu_mask) { } int grant_table_create(struct domain *d) { return 0; } void grant_table_destroy(struct domain *d) { printf("grant_table_destroy: domain_destruct not tested!!!\n"); printf("grant_table_destroy: ensure atomic_* calls work in domain_destruct!!\n"); dummy(); return; } struct pt_regs *get_execution_context(void) { return ia64_task_regs(current); } void cleanup_writable_pagetable(struct domain *d, int what) { return; } void raise_actimer_softirq(void) { raise_softirq(AC_TIMER_SOFTIRQ); } /////////////////////////////// // from arch/x86/apic.c /////////////////////////////// int reprogram_ac_timer(s_time_t timeout) { struct exec_domain *ed = current; local_cpu_data->itm_next = timeout; if (is_idle_task(ed->domain)) vcpu_safe_set_itm(timeout); else vcpu_set_next_timer(current); return 1; } /////////////////////////////// // from arch/ia64/page_alloc.c /////////////////////////////// DEFINE_PER_CPU(struct page_state, page_states) = {0}; unsigned long totalram_pages; /////////////////////////////// // from arch/x86/flushtlb.c /////////////////////////////// u32 tlbflush_clock; u32 tlbflush_time[NR_CPUS]; /////////////////////////////// // from arch/x86/memory.c /////////////////////////////// void init_percpu_info(void) { dummy(); //memset(percpu_info, 0, sizeof(percpu_info)); } void free_page_type(struct pfn_info *page, unsigned int type) { dummy(); } /////////////////////////////// // from arch/x86/pci.c /////////////////////////////// int pcibios_prep_mwi (struct pci_dev *dev) { dummy(); } /////////////////////////////// // from arch/x86/pci-irq.c /////////////////////////////// void pcibios_enable_irq(struct pci_dev *dev) { dummy(); } /////////////////////////////// // from arch/ia64/pci-pc.c /////////////////////////////// #include <xen/pci.h> int pcibios_enable_device(struct pci_dev *dev, int mask) { dummy(); return 0; } int (*pci_config_read)(int seg, int bus, int dev, int fn, int reg, int len, u32 *value) = NULL; int (*pci_config_write)(int seg, int bus, int dev, int fn, int reg, int len, u32 value) = NULL; //struct pci_fixup pcibios_fixups[] = { { 0 } }; struct pci_fixup pcibios_fixups[] = { { 0 } }; void pcibios_align_resource(void *data, struct resource *res, unsigned long size, unsigned long align) { dummy(); } void pcibios_update_resource(struct pci_dev *dev, struct resource *root, struct resource *res, int resource) { dummy(); } void __devinit pcibios_fixup_bus(struct pci_bus *b) { dummy(); } void __init pcibios_init(void) { dummy(); } char * __devinit pcibios_setup(char *str) { dummy(); return 0; } /////////////////////////////// // from arch/ia64/traps.c /////////////////////////////// void show_registers(struct pt_regs *regs) { printf("*** ADD REGISTER DUMP HERE FOR DEBUGGING\n"); } /////////////////////////////// // from common/keyhandler.c /////////////////////////////// void dump_pageframe_info(struct domain *d) { printk("dump_pageframe_info not implemented\n"); } /////////////////////////////// // from common/physdev.c /////////////////////////////// void physdev_init_dom0(struct domain *d) { } int physdev_pci_access_modify(domid_t id, int bus, int dev, int func, int enable) { return -EINVAL; } void physdev_modify_ioport_access_range(struct domain *d, int enable, int port, int num) { printk("physdev_modify_ioport_access_range not implemented\n"); dummy(); } void physdev_destroy_state(struct domain *d) { printk("physdev_destroy_state not implemented\n"); dummy(); } // accomodate linux extable.c //const struct exception_table_entry * void *search_module_extables(unsigned long addr) { return NULL; } void *module_text_address(unsigned long addr) { return NULL; } void cs10foo(void) {} void cs01foo(void) {} // context_switch void context_switch(struct exec_domain *prev, struct exec_domain *next) { //printk("@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@\n"); //printk("@@@@@@ context switch from domain %d (%x) to domain %d (%x)\n", //prev->domain->id,(long)prev&0xffffff,next->domain->id,(long)next&0xffffff); //if (prev->domain->id == 1 && next->domain->id == 0) cs10foo(); //if (prev->domain->id == 0 && next->domain->id == 1) cs01foo(); //printk("@@sw %d->%d\n",prev->domain->id,next->domain->id); switch_to(prev,next,prev); // leave this debug for now: it acts as a heartbeat when more than // one domain is active { static long cnt[16] = { 50,50,50,50,50,50,50,50,50,50,50,50,50,50,50,50}; static int i = 100; int id = ((struct exec_domain *)current)->domain->id & 0xf; if (!cnt[id]--) { printk("%x",id); cnt[id] = 50; } if (!i--) { printk("+",id); cnt[id] = 100; } } clear_bit(EDF_RUNNING, &prev->ed_flags); //if (!is_idle_task(next->domain) ) //send_guest_virq(next, VIRQ_TIMER); load_region_regs(current); if (vcpu_timer_expired(current)) vcpu_pend_timer(current); } void panic_domain(struct pt_regs *regs, const char *fmt, ...) { va_list args; char buf[128]; struct exec_domain *ed = current; static volatile int test = 1; // so can continue easily in debug extern spinlock_t console_lock; unsigned long flags; printf("$$$$$ PANIC in domain %d (k6=%p): ", ed->domain->id, ia64_get_kr(IA64_KR_CURRENT)); va_start(args, fmt); (void)vsnprintf(buf, sizeof(buf), fmt, args); va_end(args); printf(buf); if (regs) show_registers(regs); domain_pause_by_systemcontroller(current->domain); set_bit(DF_CRASHED, ed->domain->d_flags); //while(test); }