diff options
Diffstat (limited to 'arch/sparc')
-rw-r--r-- | arch/sparc/Kconfig.debug | 4 | ||||
-rw-r--r-- | arch/sparc/kernel/ebus.c | 3 | ||||
-rw-r--r-- | arch/sparc/kernel/irq.c | 12 | ||||
-rw-r--r-- | arch/sparc/kernel/of_device.c | 5 | ||||
-rw-r--r-- | arch/sparc/kernel/time.c | 4 | ||||
-rw-r--r-- | arch/sparc/kernel/vmlinux.lds.S | 165 | ||||
-rw-r--r-- | arch/sparc/lib/Makefile | 3 | ||||
-rw-r--r-- | arch/sparc/lib/cmpdi2.c | 27 | ||||
-rw-r--r-- | arch/sparc/lib/libgcc.h | 18 | ||||
-rw-r--r-- | arch/sparc/mm/io-unit.c | 18 | ||||
-rw-r--r-- | arch/sparc/mm/iommu.c | 12 | ||||
-rw-r--r-- | arch/sparc/mm/sun4c.c | 2 | ||||
-rw-r--r-- | arch/sparc/prom/console.c | 3 |
13 files changed, 175 insertions, 101 deletions
diff --git a/arch/sparc/Kconfig.debug b/arch/sparc/Kconfig.debug index 120f6b52934..87dd496f15e 100644 --- a/arch/sparc/Kconfig.debug +++ b/arch/sparc/Kconfig.debug @@ -1,5 +1,9 @@ menu "Kernel hacking" +config TRACE_IRQFLAGS_SUPPORT + bool + default y + source "lib/Kconfig.debug" config DEBUG_STACK_USAGE diff --git a/arch/sparc/kernel/ebus.c b/arch/sparc/kernel/ebus.c index ac352eb6dff..d850785b208 100644 --- a/arch/sparc/kernel/ebus.c +++ b/arch/sparc/kernel/ebus.c @@ -156,6 +156,8 @@ void __init fill_ebus_device(struct device_node *dp, struct linux_ebus_device *d dev->prom_node = dp; regs = of_get_property(dp, "reg", &len); + if (!regs) + len = 0; if (len % sizeof(struct linux_prom_registers)) { prom_printf("UGH: proplen for %s was %d, need multiple of %d\n", dev->prom_node->name, len, @@ -238,6 +240,7 @@ void __init fill_ebus_device(struct device_node *dp, struct linux_ebus_device *d sd = &dev->ofdev.dev.archdata; sd->prom_node = dp; sd->op = &dev->ofdev; + sd->iommu = dev->bus->ofdev.dev.parent->archdata.iommu; dev->ofdev.node = dp; dev->ofdev.dev.parent = &dev->bus->ofdev.dev; diff --git a/arch/sparc/kernel/irq.c b/arch/sparc/kernel/irq.c index b76dc03fc31..722d67d3296 100644 --- a/arch/sparc/kernel/irq.c +++ b/arch/sparc/kernel/irq.c @@ -56,7 +56,7 @@ #define SMP_NOP2 #define SMP_NOP3 #endif /* SMP */ -unsigned long __local_irq_save(void) +unsigned long __raw_local_irq_save(void) { unsigned long retval; unsigned long tmp; @@ -74,7 +74,7 @@ unsigned long __local_irq_save(void) return retval; } -void local_irq_enable(void) +void raw_local_irq_enable(void) { unsigned long tmp; @@ -89,7 +89,7 @@ void local_irq_enable(void) : "memory"); } -void local_irq_restore(unsigned long old_psr) +void raw_local_irq_restore(unsigned long old_psr) { unsigned long tmp; @@ -105,9 +105,9 @@ void local_irq_restore(unsigned long old_psr) : "memory"); } -EXPORT_SYMBOL(__local_irq_save); -EXPORT_SYMBOL(local_irq_enable); -EXPORT_SYMBOL(local_irq_restore); +EXPORT_SYMBOL(__raw_local_irq_save); +EXPORT_SYMBOL(raw_local_irq_enable); +EXPORT_SYMBOL(raw_local_irq_restore); /* * Dave Redman (djhr@tadpole.co.uk) diff --git a/arch/sparc/kernel/of_device.c b/arch/sparc/kernel/of_device.c index 36383f73d68..fb2caef79ce 100644 --- a/arch/sparc/kernel/of_device.c +++ b/arch/sparc/kernel/of_device.c @@ -588,7 +588,10 @@ __setup("of_debug=", of_debug); int of_register_driver(struct of_platform_driver *drv, struct bus_type *bus) { /* initialize common driver fields */ - drv->driver.name = drv->name; + if (!drv->driver.name) + drv->driver.name = drv->name; + if (!drv->driver.owner) + drv->driver.owner = drv->owner; drv->driver.bus = bus; /* register with core */ diff --git a/arch/sparc/kernel/time.c b/arch/sparc/kernel/time.c index 6a251332162..4bf78a5e8e0 100644 --- a/arch/sparc/kernel/time.c +++ b/arch/sparc/kernel/time.c @@ -347,9 +347,11 @@ static struct of_device_id clock_match[] = { }; static struct of_platform_driver clock_driver = { - .name = "clock", .match_table = clock_match, .probe = clock_probe, + .driver = { + .name = "clock", + }, }; diff --git a/arch/sparc/kernel/vmlinux.lds.S b/arch/sparc/kernel/vmlinux.lds.S index 15109c156e8..a8b4200f9cc 100644 --- a/arch/sparc/kernel/vmlinux.lds.S +++ b/arch/sparc/kernel/vmlinux.lds.S @@ -1,6 +1,7 @@ /* ld script to make SparcLinux kernel */ #include <asm-generic/vmlinux.lds.h> +#include <asm/page.h> OUTPUT_FORMAT("elf32-sparc", "elf32-sparc", "elf32-sparc") OUTPUT_ARCH(sparc) @@ -8,84 +9,104 @@ ENTRY(_start) jiffies = jiffies_64 + 4; SECTIONS { - . = 0x10000 + SIZEOF_HEADERS; - .text 0xf0004000 : - { - _text = .; - TEXT_TEXT - SCHED_TEXT - LOCK_TEXT - *(.gnu.warning) - } =0 - _etext = .; - PROVIDE (etext = .); - RODATA - .data : - { - DATA_DATA - CONSTRUCTORS - } - .data1 : { *(.data1) } - _edata = .; - PROVIDE (edata = .); - __start___fixup = .; - .fixup : { *(.fixup) } - __stop___fixup = .; - __start___ex_table = .; - __ex_table : { *(__ex_table) } - __stop___ex_table = .; + . = 0x10000 + SIZEOF_HEADERS; + .text 0xf0004000 : + { + _text = .; + TEXT_TEXT + SCHED_TEXT + LOCK_TEXT + *(.gnu.warning) + } = 0 + _etext = .; + PROVIDE (etext = .); + RODATA + .data : { + DATA_DATA + CONSTRUCTORS + } + .data1 : { + *(.data1) + } + _edata = .; + PROVIDE (edata = .); - NOTES + .fixup : { + __start___fixup = .; + *(.fixup) + __stop___fixup = .; + } + __ex_table : { + __start___ex_table = .; + *(__ex_table) + __stop___ex_table = .; + } - . = ALIGN(4096); - __init_begin = .; - _sinittext = .; - .init.text : { - *(.init.text) - } - _einittext = .; - __init_text_end = .; - .init.data : { *(.init.data) } - . = ALIGN(16); - __setup_start = .; - .init.setup : { *(.init.setup) } - __setup_end = .; - __initcall_start = .; - .initcall.init : { - INITCALLS - } - __initcall_end = .; - __con_initcall_start = .; - .con_initcall.init : { *(.con_initcall.init) } - __con_initcall_end = .; - SECURITY_INIT + NOTES + + . = ALIGN(PAGE_SIZE); + __init_begin = .; + .init.text : { + _sinittext = .; + *(.init.text) + _einittext = .; + } + __init_text_end = .; + .init.data : { + *(.init.data) + } + . = ALIGN(16); + .init.setup : { + __setup_start = .; + *(.init.setup) + __setup_end = .; + } + .initcall.init : { + __initcall_start = .; + INITCALLS + __initcall_end = .; + } + .con_initcall.init : { + __con_initcall_start = .; + *(.con_initcall.init) + __con_initcall_end = .; + } + SECURITY_INIT #ifdef CONFIG_BLK_DEV_INITRD - . = ALIGN(4096); - __initramfs_start = .; - .init.ramfs : { *(.init.ramfs) } - __initramfs_end = .; + . = ALIGN(PAGE_SIZE); + .init.ramfs : { + __initramfs_start = .; + *(.init.ramfs) + __initramfs_end = .; + } #endif - PERCPU(4096) - . = ALIGN(4096); - __init_end = .; - . = ALIGN(32); - .data.cacheline_aligned : { *(.data.cacheline_aligned) } - - __bss_start = .; - .sbss : { *(.sbss) *(.scommon) } - .bss : - { - *(.dynbss) - *(.bss) - *(COMMON) - } - _end = . ; - PROVIDE (end = .); - /DISCARD/ : { *(.exit.text) *(.exit.data) *(.exitcall.exit) } + PERCPU(PAGE_SIZE) + . = ALIGN(PAGE_SIZE); + __init_end = .; + . = ALIGN(32); + .data.cacheline_aligned : { + *(.data.cacheline_aligned) + } - STABS_DEBUG + __bss_start = .; + .sbss : { + *(.sbss) + *(.scommon) } + .bss : { + *(.dynbss) + *(.bss) + *(COMMON) + } + _end = . ; + PROVIDE (end = .); + /DISCARD/ : { + *(.exit.text) + *(.exit.data) + *(.exitcall.exit) + } - DWARF_DEBUG + STABS_DEBUG + DWARF_DEBUG } diff --git a/arch/sparc/lib/Makefile b/arch/sparc/lib/Makefile index 9ddc5b9ce3b..76effdbea07 100644 --- a/arch/sparc/lib/Makefile +++ b/arch/sparc/lib/Makefile @@ -8,6 +8,7 @@ lib-y := mul.o rem.o sdiv.o udiv.o umul.o urem.o ashrdi3.o memcpy.o memset.o \ strlen.o checksum.o blockops.o memscan.o memcmp.o strncmp.o \ strncpy_from_user.o divdi3.o udivdi3.o strlen_user.o \ copy_user.o locks.o atomic.o \ - lshrdi3.o ashldi3.o rwsem.o muldi3.o bitext.o + lshrdi3.o ashldi3.o rwsem.o muldi3.o bitext.o \ + cmpdi2.o obj-y += iomap.o atomic32.o diff --git a/arch/sparc/lib/cmpdi2.c b/arch/sparc/lib/cmpdi2.c new file mode 100644 index 00000000000..8c1306437ed --- /dev/null +++ b/arch/sparc/lib/cmpdi2.c @@ -0,0 +1,27 @@ +#include <linux/module.h> + +#include "libgcc.h" + +word_type __cmpdi2(long long a, long long b) +{ + const DWunion au = { + .ll = a + }; + const DWunion bu = { + .ll = b + }; + + if (au.s.high < bu.s.high) + return 0; + else if (au.s.high > bu.s.high) + return 2; + + if ((unsigned int) au.s.low < (unsigned int) bu.s.low) + return 0; + else if ((unsigned int) au.s.low > (unsigned int) bu.s.low) + return 2; + + return 1; +} + +EXPORT_SYMBOL(__cmpdi2); diff --git a/arch/sparc/lib/libgcc.h b/arch/sparc/lib/libgcc.h new file mode 100644 index 00000000000..b84fd797f3e --- /dev/null +++ b/arch/sparc/lib/libgcc.h @@ -0,0 +1,18 @@ +#ifndef __ASM_LIBGCC_H +#define __ASM_LIBGCC_H + +#include <asm/byteorder.h> + +typedef int word_type __attribute__ ((mode (__word__))); + +struct DWstruct { + int high, low; +}; + +typedef union +{ + struct DWstruct s; + long long ll; +} DWunion; + +#endif /* __ASM_LIBGCC_H */ diff --git a/arch/sparc/mm/io-unit.c b/arch/sparc/mm/io-unit.c index 4ccda77d08d..7c89893b1fe 100644 --- a/arch/sparc/mm/io-unit.c +++ b/arch/sparc/mm/io-unit.c @@ -66,7 +66,7 @@ iounit_init(int sbi_node, int io_node, struct sbus_bus *sbus) } if(!xpt) panic("Cannot map External Page Table."); - sbus->iommu = (struct iommu_struct *)iounit; + sbus->ofdev.dev.archdata.iommu = iounit; iounit->page_table = xpt; spin_lock_init(&iounit->lock); @@ -127,7 +127,7 @@ nexti: scan = find_next_zero_bit(iounit->bmap, limit, scan); static __u32 iounit_get_scsi_one(char *vaddr, unsigned long len, struct sbus_bus *sbus) { unsigned long ret, flags; - struct iounit_struct *iounit = (struct iounit_struct *)sbus->iommu; + struct iounit_struct *iounit = sbus->ofdev.dev.archdata.iommu; spin_lock_irqsave(&iounit->lock, flags); ret = iounit_get_area(iounit, (unsigned long)vaddr, len); @@ -138,7 +138,7 @@ static __u32 iounit_get_scsi_one(char *vaddr, unsigned long len, struct sbus_bus static void iounit_get_scsi_sgl(struct scatterlist *sg, int sz, struct sbus_bus *sbus) { unsigned long flags; - struct iounit_struct *iounit = (struct iounit_struct *)sbus->iommu; + struct iounit_struct *iounit = sbus->ofdev.dev.archdata.iommu; /* FIXME: Cache some resolved pages - often several sg entries are to the same page */ spin_lock_irqsave(&iounit->lock, flags); @@ -153,7 +153,7 @@ static void iounit_get_scsi_sgl(struct scatterlist *sg, int sz, struct sbus_bus static void iounit_release_scsi_one(__u32 vaddr, unsigned long len, struct sbus_bus *sbus) { unsigned long flags; - struct iounit_struct *iounit = (struct iounit_struct *)sbus->iommu; + struct iounit_struct *iounit = sbus->ofdev.dev.archdata.iommu; spin_lock_irqsave(&iounit->lock, flags); len = ((vaddr & ~PAGE_MASK) + len + (PAGE_SIZE-1)) >> PAGE_SHIFT; @@ -168,7 +168,7 @@ static void iounit_release_scsi_sgl(struct scatterlist *sg, int sz, struct sbus_ { unsigned long flags; unsigned long vaddr, len; - struct iounit_struct *iounit = (struct iounit_struct *)sbus->iommu; + struct iounit_struct *iounit = sbus->ofdev.dev.archdata.iommu; spin_lock_irqsave(&iounit->lock, flags); while (sz != 0) { @@ -211,7 +211,7 @@ static int iounit_map_dma_area(dma_addr_t *pba, unsigned long va, __u32 addr, in i = ((addr - IOUNIT_DMA_BASE) >> PAGE_SHIFT); for_each_sbus(sbus) { - struct iounit_struct *iounit = (struct iounit_struct *)sbus->iommu; + struct iounit_struct *iounit = sbus->ofdev.dev.archdata.iommu; iopte = (iopte_t *)(iounit->page_table + i); *iopte = MKIOPTE(__pa(page)); @@ -235,7 +235,7 @@ static void iounit_unmap_dma_area(unsigned long addr, int len) static struct page *iounit_translate_dvma(unsigned long addr) { struct sbus_bus *sbus = sbus_root; /* They are all the same */ - struct iounit_struct *iounit = (struct iounit_struct *)sbus->iommu; + struct iounit_struct *iounit = sbus->ofdev.dev.archdata.iommu; int i; iopte_t *iopte; @@ -279,7 +279,7 @@ __u32 iounit_map_dma_init(struct sbus_bus *sbus, int size) unsigned long rotor, scan, limit; unsigned long flags; __u32 ret; - struct iounit_struct *iounit = (struct iounit_struct *)sbus->iommu; + struct iounit_struct *iounit = sbus->ofdev.dev.archdata.iommu; npages = (size + (PAGE_SIZE-1)) >> PAGE_SHIFT; i = 0x0213; @@ -315,7 +315,7 @@ nexti: scan = find_next_zero_bit(iounit->bmap, limit, scan); __u32 iounit_map_dma_page(__u32 vaddr, void *addr, struct sbus_bus *sbus) { int scan = (vaddr - IOUNIT_DMA_BASE) >> PAGE_SHIFT; - struct iounit_struct *iounit = (struct iounit_struct *)sbus->iommu; + struct iounit_struct *iounit = sbus->ofdev.dev.archdata.iommu; iounit->page_table[scan] = MKIOPTE(__pa(((unsigned long)addr) & PAGE_MASK)); return vaddr + (((unsigned long)addr) & ~PAGE_MASK); diff --git a/arch/sparc/mm/iommu.c b/arch/sparc/mm/iommu.c index be042efd1ba..52e907af9d2 100644 --- a/arch/sparc/mm/iommu.c +++ b/arch/sparc/mm/iommu.c @@ -132,7 +132,7 @@ iommu_init(int iommund, struct sbus_bus *sbus) impl, vers, iommu->page_table, (int)(IOMMU_NPTES*sizeof(iopte_t)), (int)IOMMU_NPTES); - sbus->iommu = iommu; + sbus->ofdev.dev.archdata.iommu = iommu; } /* This begs to be btfixup-ed by srmmu. */ @@ -166,7 +166,7 @@ static void iommu_flush_iotlb(iopte_t *iopte, unsigned int niopte) static u32 iommu_get_one(struct page *page, int npages, struct sbus_bus *sbus) { - struct iommu_struct *iommu = sbus->iommu; + struct iommu_struct *iommu = sbus->ofdev.dev.archdata.iommu; int ioptex; iopte_t *iopte, *iopte0; unsigned int busa, busa0; @@ -291,7 +291,7 @@ static void iommu_get_scsi_sgl_pflush(struct scatterlist *sg, int sz, struct sbu static void iommu_release_one(u32 busa, int npages, struct sbus_bus *sbus) { - struct iommu_struct *iommu = sbus->iommu; + struct iommu_struct *iommu = sbus->ofdev.dev.archdata.iommu; int ioptex; int i; @@ -334,7 +334,7 @@ static int iommu_map_dma_area(dma_addr_t *pba, unsigned long va, unsigned long addr, int len) { unsigned long page, end; - struct iommu_struct *iommu = sbus_root->iommu; + struct iommu_struct *iommu = sbus_root->ofdev.dev.archdata.iommu; iopte_t *iopte = iommu->page_table; iopte_t *first; int ioptex; @@ -399,7 +399,7 @@ static int iommu_map_dma_area(dma_addr_t *pba, unsigned long va, static void iommu_unmap_dma_area(unsigned long busa, int len) { - struct iommu_struct *iommu = sbus_root->iommu; + struct iommu_struct *iommu = sbus_root->ofdev.dev.archdata.iommu; iopte_t *iopte = iommu->page_table; unsigned long end; int ioptex = (busa - iommu->start) >> PAGE_SHIFT; @@ -420,7 +420,7 @@ static void iommu_unmap_dma_area(unsigned long busa, int len) static struct page *iommu_translate_dvma(unsigned long busa) { - struct iommu_struct *iommu = sbus_root->iommu; + struct iommu_struct *iommu = sbus_root->ofdev.dev.archdata.iommu; iopte_t *iopte = iommu->page_table; iopte += ((busa - iommu->start) >> PAGE_SHIFT); diff --git a/arch/sparc/mm/sun4c.c b/arch/sparc/mm/sun4c.c index 79d60d86f6f..005a3e72d4f 100644 --- a/arch/sparc/mm/sun4c.c +++ b/arch/sparc/mm/sun4c.c @@ -268,7 +268,6 @@ static inline void sun4c_init_clean_mmu(unsigned long kernel_end) unsigned char savectx, ctx; savectx = sun4c_get_context(); - kernel_end = SUN4C_REAL_PGDIR_ALIGN(kernel_end); for (ctx = 0; ctx < num_contexts; ctx++) { sun4c_set_context(ctx); for (vaddr = 0; vaddr < 0x20000000; vaddr += SUN4C_REAL_PGDIR_SIZE) @@ -2064,7 +2063,6 @@ void __init sun4c_paging_init(void) unsigned long end_pfn, pages_avail; kernel_end = (unsigned long) &end; - kernel_end += (SUN4C_REAL_PGDIR_SIZE * 4); kernel_end = SUN4C_REAL_PGDIR_ALIGN(kernel_end); pages_avail = 0; diff --git a/arch/sparc/prom/console.c b/arch/sparc/prom/console.c index 8d1cfb0d506..2a007a78441 100644 --- a/arch/sparc/prom/console.c +++ b/arch/sparc/prom/console.c @@ -17,9 +17,6 @@ extern void restore_current(void); -static char con_name_jmc[] = "/obio/su@"; /* "/obio/su@0,3002f8"; */ -#define CON_SIZE_JMC (sizeof(con_name_jmc)) - /* Non blocking get character from console input device, returns -1 * if no input was taken. This can be used for polling. */ |