diff options
Diffstat (limited to 'arch/microblaze/kernel')
| -rw-r--r-- | arch/microblaze/kernel/head.S | 2 | ||||
| -rw-r--r-- | arch/microblaze/kernel/hw_exception_handler.S | 4 | ||||
| -rw-r--r-- | arch/microblaze/kernel/prom.c | 32 | ||||
| -rw-r--r-- | arch/microblaze/kernel/setup.c | 3 | ||||
| -rw-r--r-- | arch/microblaze/kernel/sys_microblaze.c | 17 | ||||
| -rw-r--r-- | arch/microblaze/kernel/syscall_table.S | 2 | ||||
| -rw-r--r-- | arch/microblaze/kernel/timer.c | 3 |
7 files changed, 26 insertions, 37 deletions
diff --git a/arch/microblaze/kernel/head.S b/arch/microblaze/kernel/head.S index fcc797feb9db..817b7eec95b6 100644 --- a/arch/microblaze/kernel/head.S +++ b/arch/microblaze/kernel/head.S @@ -176,7 +176,7 @@ _invalidate: /* start to do TLB calculation */ addik r12, r0, _end rsub r12, r3, r12 - addik r12, r12, CONFIG_KERNEL_PAD /* that's the pad */ + addik r12, r12, CONFIG_LOWMEM_SIZE >> PTE_SHIFT /* that's the pad */ or r9, r0, r0 /* TLB0 = 0 */ or r10, r0, r0 /* TLB1 = 0 */ diff --git a/arch/microblaze/kernel/hw_exception_handler.S b/arch/microblaze/kernel/hw_exception_handler.S index 61b3a1fed46f..fc6b89f4dd31 100644 --- a/arch/microblaze/kernel/hw_exception_handler.S +++ b/arch/microblaze/kernel/hw_exception_handler.S @@ -193,8 +193,8 @@ * - W S REG EXC * * - * STACK FRAME STRUCTURE (for NO_MMU) - * --------------------------------- + * STACK FRAME STRUCTURE (for CONFIG_MMU=n) + * ---------------------------------------- * * +-------------+ + 0 * | MSR | diff --git a/arch/microblaze/kernel/prom.c b/arch/microblaze/kernel/prom.c index 0c4453f134cb..abdfb10e7eca 100644 --- a/arch/microblaze/kernel/prom.c +++ b/arch/microblaze/kernel/prom.c @@ -30,6 +30,7 @@ #include <linux/debugfs.h> #include <linux/irq.h> #include <linux/memblock.h> +#include <linux/of_fdt.h> #include <asm/prom.h> #include <asm/page.h> @@ -41,11 +42,6 @@ #include <asm/sections.h> #include <asm/pci-bridge.h> -void __init early_init_dt_add_memory_arch(u64 base, u64 size) -{ - memblock_add(base, size); -} - #ifdef CONFIG_EARLY_PRINTK static char *stdout; @@ -106,21 +102,10 @@ void __init early_init_devtree(void *params) { pr_debug(" -> early_init_devtree(%p)\n", params); - /* Setup flat device-tree pointer */ - initial_boot_params = params; - - /* Retrieve various informations from the /chosen node of the - * device-tree, including the platform type, initrd location and - * size, TCE reserve, and more ... - */ - of_scan_flat_dt(early_init_dt_scan_chosen, cmd_line); - - /* Scan memory nodes and rebuild MEMBLOCKs */ - of_scan_flat_dt(early_init_dt_scan_root, NULL); - of_scan_flat_dt(early_init_dt_scan_memory, NULL); + early_init_dt_scan(params); + if (!strlen(boot_command_line)) + strlcpy(boot_command_line, cmd_line, COMMAND_LINE_SIZE); - /* Save command line for /proc/cmdline and then parse parameters */ - strlcpy(boot_command_line, cmd_line, COMMAND_LINE_SIZE); parse_early_param(); memblock_allow_resize(); @@ -130,15 +115,6 @@ void __init early_init_devtree(void *params) pr_debug(" <- early_init_devtree()\n"); } -#ifdef CONFIG_BLK_DEV_INITRD -void __init early_init_dt_setup_initrd_arch(u64 start, u64 end) -{ - initrd_start = (unsigned long)__va(start); - initrd_end = (unsigned long)__va(end); - initrd_below_start_ok = 1; -} -#endif - /******* * * New implementation of the OF "find" APIs, return a refcounted diff --git a/arch/microblaze/kernel/setup.c b/arch/microblaze/kernel/setup.c index 0775e036c526..8de8ebc309f1 100644 --- a/arch/microblaze/kernel/setup.c +++ b/arch/microblaze/kernel/setup.c @@ -16,6 +16,7 @@ #include <linux/initrd.h> #include <linux/console.h> #include <linux/debugfs.h> +#include <linux/of_fdt.h> #include <asm/setup.h> #include <asm/sections.h> @@ -50,7 +51,7 @@ char cmd_line[COMMAND_LINE_SIZE] __attribute__ ((section(".data"))); void __init setup_arch(char **cmdline_p) { - *cmdline_p = cmd_line; + *cmdline_p = boot_command_line; console_verbose(); diff --git a/arch/microblaze/kernel/sys_microblaze.c b/arch/microblaze/kernel/sys_microblaze.c index f905b3ae68c7..f1e1f666ddde 100644 --- a/arch/microblaze/kernel/sys_microblaze.c +++ b/arch/microblaze/kernel/sys_microblaze.c @@ -33,12 +33,23 @@ #include <linux/slab.h> #include <asm/syscalls.h> -asmlinkage long sys_mmap(unsigned long addr, unsigned long len, - unsigned long prot, unsigned long flags, - unsigned long fd, off_t pgoff) +SYSCALL_DEFINE6(mmap, unsigned long, addr, unsigned long, len, + unsigned long, prot, unsigned long, flags, unsigned long, fd, + off_t, pgoff) { if (pgoff & ~PAGE_MASK) return -EINVAL; return sys_mmap_pgoff(addr, len, prot, flags, fd, pgoff >> PAGE_SHIFT); } + +SYSCALL_DEFINE6(mmap2, unsigned long, addr, unsigned long, len, + unsigned long, prot, unsigned long, flags, unsigned long, fd, + unsigned long, pgoff) +{ + if (pgoff & (~PAGE_MASK >> 12)) + return -EINVAL; + + return sys_mmap_pgoff(addr, len, prot, flags, fd, + pgoff >> (PAGE_SHIFT - 12)); +} diff --git a/arch/microblaze/kernel/syscall_table.S b/arch/microblaze/kernel/syscall_table.S index 4fca56cf02f6..b882ad50535b 100644 --- a/arch/microblaze/kernel/syscall_table.S +++ b/arch/microblaze/kernel/syscall_table.S @@ -192,7 +192,7 @@ ENTRY(sys_call_table) .long sys_ni_syscall /* reserved for streams2 */ .long sys_vfork /* 190 */ .long sys_getrlimit - .long sys_mmap_pgoff /* mmap2 */ + .long sys_mmap2 .long sys_truncate64 .long sys_ftruncate64 .long sys_stat64 /* 195 */ diff --git a/arch/microblaze/kernel/timer.c b/arch/microblaze/kernel/timer.c index e4b3f33ef34c..3e39b1082fdf 100644 --- a/arch/microblaze/kernel/timer.c +++ b/arch/microblaze/kernel/timer.c @@ -15,6 +15,7 @@ #include <linux/clk.h> #include <linux/clockchips.h> #include <linux/of_address.h> +#include <linux/of_irq.h> #include <asm/cpuinfo.h> #include <linux/cnt32_to_63.h> @@ -148,7 +149,7 @@ static irqreturn_t timer_interrupt(int irq, void *dev_id) static struct irqaction timer_irqaction = { .handler = timer_interrupt, - .flags = IRQF_DISABLED | IRQF_TIMER, + .flags = IRQF_TIMER, .name = "timer", .dev_id = &clockevent_xilinx_timer, }; 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