cosmetic changes and style fixes
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e4f89fa63b
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@ -9,6 +9,7 @@
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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/*
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* FreeBSD/sparc64 kernel loader - machine dependent part
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*
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@ -28,7 +29,6 @@ __FBSDID("$FreeBSD$");
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#include <vm/vm.h>
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#include <machine/asi.h>
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#include <machine/atomic.h>
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#include <machine/cpufunc.h>
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#include <machine/elf.h>
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#include <machine/lsu.h>
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@ -438,7 +438,7 @@ mmu_mapin_sun4u(vm_offset_t va, vm_size_t len)
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while (len) {
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if (dtlb_va_to_pa_sun4u(va) == (vm_offset_t)-1 ||
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itlb_va_to_pa_sun4u(va) == (vm_offset_t)-1) {
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/* Allocate a physical page, claim the virtual area */
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/* Allocate a physical page, claim the virtual area. */
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if (pa == (vm_offset_t)-1) {
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pa = alloc_phys(PAGE_SIZE_4M, PAGE_SIZE_4M);
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if (pa == (vm_offset_t)-1)
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@ -448,7 +448,9 @@ mmu_mapin_sun4u(vm_offset_t va, vm_size_t len)
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panic("%s: can't claim virtual page "
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"(wanted %#lx, got %#lx)",
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__func__, va, mva);
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/* The mappings may have changed, be paranoid. */
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/*
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* The mappings may have changed, be paranoid.
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*/
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continue;
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}
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/*
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@ -553,6 +555,7 @@ tlb_init_sun4u(void)
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}
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if (cpu != bootcpu)
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panic("%s: no node for bootcpu?!?!", __func__);
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if (OF_getprop(child, "#dtlb-entries", &dtlb_slot_max,
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sizeof(dtlb_slot_max)) == -1 ||
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OF_getprop(child, "#itlb-entries", &itlb_slot_max,
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@ -580,7 +583,7 @@ main(int (*openfirm)(void *))
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struct devsw **dp;
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/*
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* Tell the Open Firmware functions where they find the ofw gate.
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* Tell the Open Firmware functions where they find the OFW gate.
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*/
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OF_init(openfirm);
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@ -1,22 +1,28 @@
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# $FreeBSD$
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SUN4U opt_global.h
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GFB_DEBUG opt_gfb.h
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GFB_NO_FONT_LOADING opt_gfb.h
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GFB_NO_MODE_CHANGE opt_gfb.h
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PSYCHO_DEBUG opt_psycho.h
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DEBUGGER_ON_POWERFAIL opt_psycho.h
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OFW_PCI_DEBUG opt_ofw_pci.h
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OFWCONS_POLL_HZ opt_ofw.h
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# Debug IOMMU inserts/removes using diagnostic accesses. Very loud.
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IOMMU_DIAG opt_iommu.h
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PMAP_STATS opt_pmap.h
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SUN4U opt_global.h
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ATKBD_DFLT_KEYMAP opt_atkbd.h
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# Debug IOMMU inserts/removes using diagnostic accesses. This is very loud.
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IOMMU_DIAG opt_iommu.h
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OFWCONS_POLL_HZ opt_ofw.h
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OFW_PCI_DEBUG opt_ofw_pci.h
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PMAP_STATS opt_pmap.h
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PSM_DEBUG opt_psm.h
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PSM_HOOKRESUME opt_psm.h
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PSM_RESETAFTERSUSPEND opt_psm.h
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DEBUGGER_ON_POWERFAIL opt_psycho.h
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PSYCHO_DEBUG opt_psycho.h
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SUNKBD_DFLT_KEYMAP opt_sunkbd.h
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SUNKBD_EMULATE_ATKBD opt_sunkbd.h
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@ -32,7 +32,7 @@
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*/
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#ifndef _SPARC64_PCI_OFW_PCI_H_
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#define _SPARC64_PCI_OFW_PCI_H_
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#define _SPARC64_PCI_OFW_PCI_H_
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#include <machine/ofw_bus.h>
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@ -40,7 +40,7 @@ typedef uint32_t ofw_pci_intr_t;
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/* PCI range child spaces. XXX: are these MI? */
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#define OFW_PCI_CS_CONFIG 0x00
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#define OFW_PCI_CS_IO 0x01
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#define OFW_PCI_CS_IO 0x01
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#define OFW_PCI_CS_MEM32 0x02
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#define OFW_PCI_CS_MEM64 0x03
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@ -62,4 +62,7 @@ struct ofw_pci_ranges {
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(((uint64_t)(r)->size_hi << 32) | (uint64_t)(r)->size_lo)
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#define OFW_PCI_RANGE_CS(r) (((r)->cspace >> 24) & 0x03)
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/* default values */
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#define OFW_PCI_LATENCY 64
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#endif /* ! _SPARC64_PCI_OFW_PCI_H_ */
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@ -60,10 +60,10 @@ __FBSDID("$FreeBSD$");
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#include "pcib_if.h"
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#include "pci_if.h"
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/* Helper functions. */
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/* Helper functions */
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static void ofw_pcibus_setup_device(device_t, u_int, u_int, u_int);
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/* Methods. */
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/* Methods */
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static device_probe_t ofw_pcibus_probe;
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static device_attach_t ofw_pcibus_attach;
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static pci_assign_interrupt_t ofw_pcibus_assign_interrupt;
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@ -123,12 +123,12 @@ ofw_pcibus_setup_device(device_t bridge, u_int busno, u_int slot, u_int func)
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uint32_t reg;
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/*
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* Initialize the latency timer register for busmaster devices to work
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* properly. This is another task which the firmware does not always
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* perform. The Min_Gnt register can be used to compute it's recommended
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* value: it contains the desired latency in units of 1/4 us. To
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* calculate the correct latency timer value, the clock frequency of
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* the bus (defaulting to 33Mhz) should be used and no wait states
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* Initialize the latency timer register for busmaster devices to
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* work properly. This is another task which the firmware doesn't
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* always perform. The Min_Gnt register can be used to compute its
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* recommended value: it contains the desired latency in units of
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* 1/4 us. To calculate the correct latency timer value, the clock
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* frequency of the bus (defaulting to 33MHz) and no wait states
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* should be assumed.
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*/
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if (OF_getprop(ofw_bus_get_node(bridge), "clock-frequency", ®,
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@ -151,17 +151,18 @@ ofw_pcibus_setup_device(device_t bridge, u_int busno, u_int slot, u_int func)
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/*
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* Compute a value to write into the cache line size register.
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* The role of the streaming cache is unclear in write invalidate
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* transfers, so it is made sure that it's line size is always reached.
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* Generally, the cache line size is fixed at 64 bytes by Fireplane/
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* Safari, JBus and UPA.
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* transfers, so it is made sure that it's line size is always
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* reached. Generally, the cache line size is fixed at 64 bytes
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* by Fireplane/Safari, JBus and UPA.
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*/
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PCIB_WRITE_CONFIG(bridge, busno, slot, func, PCIR_CACHELNSZ,
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STRBUF_LINESZ / sizeof(uint32_t), 1);
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#endif
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/*
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* The preset in the intline register is usually wrong. Reset it to 255,
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* so that the PCI code will reroute the interrupt if needed.
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* The preset in the intline register is usually wrong. Reset
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* it to 255, so that the PCI code will reroute the interrupt if
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* needed.
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*/
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PCIB_WRITE_CONFIG(bridge, busno, slot, func, PCIR_INTLINE,
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PCI_INVALID_IRQ, 1);
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@ -183,7 +184,6 @@ ofw_pcibus_attach(device_t dev)
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if (bootverbose)
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device_printf(dev, "domain=%d, physical bus=%d\n",
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domain, busno);
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node = ofw_bus_get_node(dev);
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#ifndef SUN4V
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@ -237,7 +237,8 @@ ofw_pcibus_assign_interrupt(device_t dev, device_t child)
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} else if (intr >= 255) {
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/*
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* A fully specified interrupt (including IGN), as present on
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* SPARCengine Ultra AX and e450. Extract the INO and return it.
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* SPARCengine Ultra AX and E450. Extract the INO and return
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* it.
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*/
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return (INTINO(intr));
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#endif
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@ -245,11 +246,12 @@ ofw_pcibus_assign_interrupt(device_t dev, device_t child)
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/*
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* If we got intr from a property, it may or may not be an intpin.
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* For on-board devices, it frequently is not, and is completely out
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* of the valid intpin range. For PCI slots, it hopefully is, otherwise
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* we will have trouble interfacing with non-OFW buses such as cardbus.
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* of the valid intpin range. For PCI slots, it hopefully is,
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* otherwise we will have trouble interfacing with non-OFW buses
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* such as cardbus.
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* Since we cannot tell which it is without violating layering, we
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* will always use the route_interrupt method, and treat exceptions on
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* the level they become apparent.
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* will always use the route_interrupt method, and treat exceptions
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* on the level they become apparent.
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*/
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return (PCIB_ROUTE_INTERRUPT(device_get_parent(dev), child, intr));
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}
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device_set_desc(dev, "U2P UPA-PCI bridge");
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return (0);
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}
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return (ENXIO);
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}
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@ -331,6 +330,7 @@ psycho_attach(device_t dev)
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default:
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panic("%s: bogus PCI control register location",
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__func__);
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/* NOTREACHED */
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}
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} else {
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rid = 0;
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@ -651,7 +651,7 @@ psycho_attach(device_t dev)
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* firmware.
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*/
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PCIB_WRITE_CONFIG(dev, sc->sc_pci_secbus, PCS_DEVICE, PCS_FUNC,
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PCIR_LATTIMER, 64, 1);
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PCIR_LATTIMER, OFW_PCI_LATENCY, 1);
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for (n = PCIR_VENDOR; n < PCIR_STATUS; n += sizeof(uint16_t))
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le16enc(&sc->sc_pci_hpbcfg[n], bus_space_read_2(
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@ -966,6 +966,7 @@ psycho_read_config(device_t dev, u_int bus, u_int slot, u_int func, u_int reg,
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break;
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default:
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panic("%s: bad width", __func__);
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/* NOTREACHED */
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}
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if (i) {
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@ -1001,6 +1002,7 @@ psycho_write_config(device_t dev, u_int bus, u_int slot, u_int func, u_int reg,
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break;
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default:
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panic("%s: bad width", __func__);
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/* NOTREACHED */
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}
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}
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@ -1278,6 +1280,7 @@ psycho_alloc_resource(device_t bus, device_t child, int type, int *rid,
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break;
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default:
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return (NULL);
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/* NOTREACHED */
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}
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rv = rman_reserve_resource(rm, start, end, count, flags, child);
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@ -1294,7 +1297,6 @@ psycho_alloc_resource(device_t bus, device_t child, int type, int *rid,
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return (NULL);
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}
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}
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return (rv);
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}
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/*
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* Magic to resume from a spill or fill trap. If we get an alignment or an
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* mmu fault during a spill or a fill, this macro will detect the fault and
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* MMU fault during a spill or a fill, this macro will detect the fault and
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* resume at a set instruction offset in the trap handler.
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*
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* To check if the previous trap was a spill/fill we convert the trapped pc
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@ -287,7 +287,7 @@ END(tl1_kstack_fault)
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inc 16, ASP_REG
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/*
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* For certain faults we need to clear the SFSR mmu register before returning.
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* For certain faults we need to clear the SFSR MMU register before returning.
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*/
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#define RSF_CLR_SFSR \
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wr %g0, ASI_DMMU, %asi ; \
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@ -1078,7 +1078,7 @@ ENTRY(tl0_dmmu_prot_trap)
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membar #Sync
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/*
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* Save the mmu registers and call common trap code.
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* Save the MMU registers and call common trap code.
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*/
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tl0_split
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clr %o1
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@ -2370,10 +2370,10 @@ END(tl0_intr)
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ENTRY(tl0_ret)
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/*
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* Check for pending asts atomically with returning. We must raise
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* the pil before checking, and if no asts are found the pil must
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* the PIL before checking, and if no asts are found the PIL must
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* remain raised until the retry is executed, or we risk missing asts
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* caused by interrupts occuring after the test. If the pil is lowered,
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* as it is when we call ast, the check must be re-executed.
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* caused by interrupts occuring after the test. If the PIL is
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* lowered, as it is when we call ast, the check must be re-executed.
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*/
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wrpr %g0, PIL_TICK, %pil
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ldx [PCPU(CURTHREAD)], %l0
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@ -2384,7 +2384,7 @@ ENTRY(tl0_ret)
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nop
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/*
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* We have an ast. Re-enable interrupts and handle it, then restart
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* We have an AST. Re-enable interrupts and handle it, then restart
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* the return sequence.
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*/
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wrpr %g0, 0, %pil
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@ -45,7 +45,7 @@ __FBSDID("$FreeBSD$");
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ENTRY(btext)
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ENTRY(_start)
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/*
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* Initialize misc state to known values. Interrupts disabled, normal
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* Initialize misc. state to known values: interrupts disabled, normal
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* globals, windows flushed (cr = 0, cs = nwindows - 1), no clean
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* windows, pil 0, and floating point disabled.
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*/
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while (csa->csa_count != 0)
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;
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/* ok, now enter the scheduler */
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/* Ok, now enter the scheduler. */
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sched_throw(NULL);
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}
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