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-rw-r--r--arch/microblaze/include/asm/irq.h11
-rw-r--r--arch/microblaze/include/asm/page.h11
-rw-r--r--arch/microblaze/include/asm/setup.h6
-rw-r--r--arch/microblaze/include/asm/unistd.h5
-rw-r--r--arch/microblaze/kernel/early_printk.c4
-rw-r--r--arch/microblaze/kernel/entry.S2
-rw-r--r--arch/microblaze/kernel/intc.c52
-rw-r--r--arch/microblaze/kernel/irq.c11
-rw-r--r--arch/microblaze/kernel/module.c2
-rw-r--r--arch/microblaze/kernel/setup.c18
-rw-r--r--arch/microblaze/kernel/syscall_table.S3
-rw-r--r--arch/microblaze/kernel/timer.c21
-rw-r--r--arch/microblaze/lib/Makefile1
-rw-r--r--arch/microblaze/lib/cmpdi2.c26
-rw-r--r--arch/microblaze/pci/pci-common.c4
15 files changed, 93 insertions, 84 deletions
diff --git a/arch/microblaze/include/asm/irq.h b/arch/microblaze/include/asm/irq.h
index cc54187f3d3..a175132e449 100644
--- a/arch/microblaze/include/asm/irq.h
+++ b/arch/microblaze/include/asm/irq.h
@@ -9,7 +9,14 @@
#ifndef _ASM_MICROBLAZE_IRQ_H
#define _ASM_MICROBLAZE_IRQ_H
-#define NR_IRQS 32
+
+/*
+ * Linux IRQ# is currently offset by one to map to the hardware
+ * irq number. So hardware IRQ0 maps to Linux irq 1.
+ */
+#define NO_IRQ_OFFSET 1
+#define IRQ_OFFSET NO_IRQ_OFFSET
+#define NR_IRQS (32 + IRQ_OFFSET)
#include <asm-generic/irq.h>
/* This type is the placeholder for a hardware interrupt number. It has to
@@ -20,8 +27,6 @@ typedef unsigned long irq_hw_number_t;
extern unsigned int nr_irq;
-#define NO_IRQ (-1)
-
struct pt_regs;
extern void do_IRQ(struct pt_regs *regs);
diff --git a/arch/microblaze/include/asm/page.h b/arch/microblaze/include/asm/page.h
index ed9d0f6e2cd..a25e6b5e2ad 100644
--- a/arch/microblaze/include/asm/page.h
+++ b/arch/microblaze/include/asm/page.h
@@ -174,15 +174,8 @@ extern int page_is_ram(unsigned long pfn);
#define virt_addr_valid(vaddr) (pfn_valid(virt_to_pfn(vaddr)))
-
-# ifndef CONFIG_MMU
-# define __pa(vaddr) ((unsigned long) (vaddr))
-# define __va(paddr) ((void *) (paddr))
-# else /* CONFIG_MMU */
-# define __pa(x) __virt_to_phys((unsigned long)(x))
-# define __va(x) ((void *)__phys_to_virt((unsigned long)(x)))
-# endif /* CONFIG_MMU */
-
+# define __pa(x) __virt_to_phys((unsigned long)(x))
+# define __va(x) ((void *)__phys_to_virt((unsigned long)(x)))
/* Convert between virtual and physical address for MMU. */
/* Handle MicroBlaze processor with virtual memory. */
diff --git a/arch/microblaze/include/asm/setup.h b/arch/microblaze/include/asm/setup.h
index 904e5ef6a11..6c72ed7eba9 100644
--- a/arch/microblaze/include/asm/setup.h
+++ b/arch/microblaze/include/asm/setup.h
@@ -26,12 +26,6 @@ int setup_early_printk(char *opt);
void remap_early_printk(void);
void disable_early_printk(void);
-#if defined(CONFIG_EARLY_PRINTK)
-#define eprintk early_printk
-#else
-#define eprintk printk
-#endif
-
void heartbeat(void);
void setup_heartbeat(void);
diff --git a/arch/microblaze/include/asm/unistd.h b/arch/microblaze/include/asm/unistd.h
index 7d7092b917a..d20ffbc86be 100644
--- a/arch/microblaze/include/asm/unistd.h
+++ b/arch/microblaze/include/asm/unistd.h
@@ -391,8 +391,11 @@
#define __NR_clock_adjtime 373
#define __NR_syncfs 374
#define __NR_setns 375
+#define __NR_sendmmsg 376
+#define __NR_process_vm_readv 377
+#define __NR_process_vm_writev 378
-#define __NR_syscalls 376
+#define __NR_syscalls 379
#ifdef __KERNEL__
#ifndef __ASSEMBLY__
diff --git a/arch/microblaze/kernel/early_printk.c b/arch/microblaze/kernel/early_printk.c
index d26d92d4775..8356e47631c 100644
--- a/arch/microblaze/kernel/early_printk.c
+++ b/arch/microblaze/kernel/early_printk.c
@@ -50,9 +50,9 @@ static void early_printk_uartlite_write(struct console *unused,
const char *s, unsigned n)
{
while (*s && n-- > 0) {
- early_printk_uartlite_putc(*s);
if (*s == '\n')
early_printk_uartlite_putc('\r');
+ early_printk_uartlite_putc(*s);
s++;
}
}
@@ -94,9 +94,9 @@ static void early_printk_uart16550_write(struct console *unused,
const char *s, unsigned n)
{
while (*s && n-- > 0) {
- early_printk_uart16550_putc(*s);
if (*s == '\n')
early_printk_uart16550_putc('\r');
+ early_printk_uart16550_putc(*s);
s++;
}
}
diff --git a/arch/microblaze/kernel/entry.S b/arch/microblaze/kernel/entry.S
index ca15bc5c744..66e34a3bfe1 100644
--- a/arch/microblaze/kernel/entry.S
+++ b/arch/microblaze/kernel/entry.S
@@ -468,7 +468,7 @@ C_ENTRY(sys_fork_wrapper):
addi r5, r0, SIGCHLD /* Arg 0: flags */
lwi r6, r1, PT_R1 /* Arg 1: child SP (use parent's) */
addik r7, r1, 0 /* Arg 2: parent context */
- add r8. r0, r0 /* Arg 3: (unused) */
+ add r8, r0, r0 /* Arg 3: (unused) */
add r9, r0, r0; /* Arg 4: (unused) */
brid do_fork /* Do real work (tail-call) */
add r10, r0, r0; /* Arg 5: (unused) */
diff --git a/arch/microblaze/kernel/intc.c b/arch/microblaze/kernel/intc.c
index eb41441c7fd..44b177e2ab1 100644
--- a/arch/microblaze/kernel/intc.c
+++ b/arch/microblaze/kernel/intc.c
@@ -42,8 +42,9 @@ unsigned int nr_irq;
static void intc_enable_or_unmask(struct irq_data *d)
{
- unsigned long mask = 1 << d->irq;
- pr_debug("enable_or_unmask: %d\n", d->irq);
+ unsigned long mask = 1 << d->hwirq;
+
+ pr_debug("enable_or_unmask: %ld\n", d->hwirq);
out_be32(INTC_BASE + SIE, mask);
/* ack level irqs because they can't be acked during
@@ -56,20 +57,21 @@ static void intc_enable_or_unmask(struct irq_data *d)
static void intc_disable_or_mask(struct irq_data *d)
{
- pr_debug("disable: %d\n", d->irq);
- out_be32(INTC_BASE + CIE, 1 << d->irq);
+ pr_debug("disable: %ld\n", d->hwirq);
+ out_be32(INTC_BASE + CIE, 1 << d->hwirq);
}
static void intc_ack(struct irq_data *d)
{
- pr_debug("ack: %d\n", d->irq);
- out_be32(INTC_BASE + IAR, 1 << d->irq);
+ pr_debug("ack: %ld\n", d->hwirq);
+ out_be32(INTC_BASE + IAR, 1 << d->hwirq);
}
static void intc_mask_ack(struct irq_data *d)
{
- unsigned long mask = 1 << d->irq;
- pr_debug("disable_and_ack: %d\n", d->irq);
+ unsigned long mask = 1 << d->hwirq;
+
+ pr_debug("disable_and_ack: %ld\n", d->hwirq);
out_be32(INTC_BASE + CIE, mask);
out_be32(INTC_BASE + IAR, mask);
}
@@ -91,7 +93,7 @@ unsigned int get_irq(struct pt_regs *regs)
* order to handle multiple interrupt controllers. It currently
* is hardcoded to check for interrupts only on the first INTC.
*/
- irq = in_be32(INTC_BASE + IVR);
+ irq = in_be32(INTC_BASE + IVR) + NO_IRQ_OFFSET;
pr_debug("get_irq: %d\n", irq);
return irq;
@@ -99,7 +101,7 @@ unsigned int get_irq(struct pt_regs *regs)
void __init init_IRQ(void)
{
- u32 i, j, intr_type;
+ u32 i, intr_mask;
struct device_node *intc = NULL;
#ifdef CONFIG_SELFMOD_INTC
unsigned int intc_baseaddr = 0;
@@ -113,35 +115,24 @@ void __init init_IRQ(void)
0
};
#endif
- const char * const intc_list[] = {
- "xlnx,xps-intc-1.00.a",
- NULL
- };
-
- for (j = 0; intc_list[j] != NULL; j++) {
- intc = of_find_compatible_node(NULL, NULL, intc_list[j]);
- if (intc)
- break;
- }
+ intc = of_find_compatible_node(NULL, NULL, "xlnx,xps-intc-1.00.a");
BUG_ON(!intc);
- intc_baseaddr = be32_to_cpup(of_get_property(intc,
- "reg", NULL));
+ intc_baseaddr = be32_to_cpup(of_get_property(intc, "reg", NULL));
intc_baseaddr = (unsigned long) ioremap(intc_baseaddr, PAGE_SIZE);
nr_irq = be32_to_cpup(of_get_property(intc,
"xlnx,num-intr-inputs", NULL));
- intr_type =
- be32_to_cpup(of_get_property(intc,
- "xlnx,kind-of-intr", NULL));
- if (intr_type > (u32)((1ULL << nr_irq) - 1))
+ intr_mask =
+ be32_to_cpup(of_get_property(intc, "xlnx,kind-of-intr", NULL));
+ if (intr_mask > (u32)((1ULL << nr_irq) - 1))
printk(KERN_INFO " ERROR: Mismatch in kind-of-intr param\n");
#ifdef CONFIG_SELFMOD_INTC
selfmod_function((int *) arr_func, intc_baseaddr);
#endif
- printk(KERN_INFO "%s #0 at 0x%08x, num_irq=%d, edge=0x%x\n",
- intc_list[j], intc_baseaddr, nr_irq, intr_type);
+ printk(KERN_INFO "XPS intc #0 at 0x%08x, num_irq=%d, edge=0x%x\n",
+ intc_baseaddr, nr_irq, intr_mask);
/*
* Disable all external interrupts until they are
@@ -155,8 +146,8 @@ void __init init_IRQ(void)
/* Turn on the Master Enable. */
out_be32(intc_baseaddr + MER, MER_HIE | MER_ME);
- for (i = 0; i < nr_irq; ++i) {
- if (intr_type & (0x00000001 << i)) {
+ for (i = IRQ_OFFSET; i < (nr_irq + IRQ_OFFSET); ++i) {
+ if (intr_mask & (0x00000001 << (i - IRQ_OFFSET))) {
irq_set_chip_and_handler_name(i, &intc_dev,
handle_edge_irq, "edge");
irq_clear_status_flags(i, IRQ_LEVEL);
@@ -165,5 +156,6 @@ void __init init_IRQ(void)
handle_level_irq, "level");
irq_set_status_flags(i, IRQ_LEVEL);
}
+ irq_get_irq_data(i)->hwirq = i - IRQ_OFFSET;
}
}
diff --git a/arch/microblaze/kernel/irq.c b/arch/microblaze/kernel/irq.c
index e5d63a89b9b..bbebcae72c0 100644
--- a/arch/microblaze/kernel/irq.c
+++ b/arch/microblaze/kernel/irq.c
@@ -33,11 +33,12 @@ void __irq_entry do_IRQ(struct pt_regs *regs)
irq_enter();
irq = get_irq(regs);
next_irq:
- BUG_ON(irq == -1U);
- generic_handle_irq(irq);
+ BUG_ON(!irq);
+ /* Substract 1 because of get_irq */
+ generic_handle_irq(irq + IRQ_OFFSET - NO_IRQ_OFFSET);
irq = get_irq(regs);
- if (irq != -1U) {
+ if (irq) {
pr_debug("next irq: %d\n", irq);
++concurrent_irq;
goto next_irq;
@@ -52,13 +53,13 @@ next_irq:
intc without any cascades or any connection that's why mapping is 1:1 */
unsigned int irq_create_mapping(struct irq_host *host, irq_hw_number_t hwirq)
{
- return hwirq;
+ return hwirq + IRQ_OFFSET;
}
EXPORT_SYMBOL_GPL(irq_create_mapping);
unsigned int irq_create_of_mapping(struct device_node *controller,
const u32 *intspec, unsigned int intsize)
{
- return intspec[0];
+ return intspec[0] + IRQ_OFFSET;
}
EXPORT_SYMBOL_GPL(irq_create_of_mapping);
diff --git a/arch/microblaze/kernel/module.c b/arch/microblaze/kernel/module.c
index 142426f631b..f39257a5abc 100644
--- a/arch/microblaze/kernel/module.c
+++ b/arch/microblaze/kernel/module.c
@@ -100,7 +100,7 @@ int apply_relocate_add(Elf32_Shdr *sechdrs, const char *strtab,
break;
case R_MICROBLAZE_64_NONE:
- pr_debug("R_MICROBLAZE_NONE\n");
+ pr_debug("R_MICROBLAZE_64_NONE\n");
break;
case R_MICROBLAZE_NONE:
diff --git a/arch/microblaze/kernel/setup.c b/arch/microblaze/kernel/setup.c
index 0e654a12d37..604cd9dd133 100644
--- a/arch/microblaze/kernel/setup.c
+++ b/arch/microblaze/kernel/setup.c
@@ -145,32 +145,32 @@ void __init machine_early_init(const char *cmdline, unsigned int ram,
setup_early_printk(NULL);
#endif
- eprintk("Ramdisk addr 0x%08x, ", ram);
+ printk("Ramdisk addr 0x%08x, ", ram);
if (fdt)
- eprintk("FDT at 0x%08x\n", fdt);
+ printk("FDT at 0x%08x\n", fdt);
else
- eprintk("Compiled-in FDT at 0x%08x\n",
+ printk("Compiled-in FDT at 0x%08x\n",
(unsigned int)_fdt_start);
#ifdef CONFIG_MTD_UCLINUX
- eprintk("Found romfs @ 0x%08x (0x%08x)\n",
+ printk("Found romfs @ 0x%08x (0x%08x)\n",
romfs_base, romfs_size);
- eprintk("#### klimit %p ####\n", old_klimit);
+ printk("#### klimit %p ####\n", old_klimit);
BUG_ON(romfs_size < 0); /* What else can we do? */
- eprintk("Moved 0x%08x bytes from 0x%08x to 0x%08x\n",
+ printk("Moved 0x%08x bytes from 0x%08x to 0x%08x\n",
romfs_size, romfs_base, (unsigned)&_ebss);
- eprintk("New klimit: 0x%08x\n", (unsigned)klimit);
+ printk("New klimit: 0x%08x\n", (unsigned)klimit);
#endif
#if CONFIG_XILINX_MICROBLAZE0_USE_MSR_INSTR
if (msr)
- eprintk("!!!Your kernel has setup MSR instruction but "
+ printk("!!!Your kernel has setup MSR instruction but "
"CPU don't have it %x\n", msr);
#else
if (!msr)
- eprintk("!!!Your kernel not setup MSR instruction but "
+ printk("!!!Your kernel not setup MSR instruction but "
"CPU have it %x\n", msr);
#endif
diff --git a/arch/microblaze/kernel/syscall_table.S b/arch/microblaze/kernel/syscall_table.S
index 8789daa2a34..6a2b294ef6d 100644
--- a/arch/microblaze/kernel/syscall_table.S
+++ b/arch/microblaze/kernel/syscall_table.S
@@ -380,3 +380,6 @@ ENTRY(sys_call_table)
.long sys_clock_adjtime
.long sys_syncfs
.long sys_setns /* 375 */
+ .long sys_sendmmsg
+ .long sys_process_vm_readv
+ .long sys_process_vm_writev
diff --git a/arch/microblaze/kernel/timer.c b/arch/microblaze/kernel/timer.c
index af74b1113aa..3cb0bf64013 100644
--- a/arch/microblaze/kernel/timer.c
+++ b/arch/microblaze/kernel/timer.c
@@ -243,7 +243,7 @@ static int timer_initialized;
void __init time_init(void)
{
- u32 irq, i = 0;
+ u32 irq;
u32 timer_num = 1;
struct device_node *timer = NULL;
const void *prop;
@@ -258,33 +258,24 @@ void __init time_init(void)
0
};
#endif
- const char * const timer_list[] = {
- "xlnx,xps-timer-1.00.a",
- NULL
- };
-
- for (i = 0; timer_list[i] != NULL; i++) {
- timer = of_find_compatible_node(NULL, NULL, timer_list[i]);
- if (timer)
- break;
- }
+ timer = of_find_compatible_node(NULL, NULL, "xlnx,xps-timer-1.00.a");
BUG_ON(!timer);
timer_baseaddr = be32_to_cpup(of_get_property(timer, "reg", NULL));
timer_baseaddr = (unsigned long) ioremap(timer_baseaddr, PAGE_SIZE);
- irq = be32_to_cpup(of_get_property(timer, "interrupts", NULL));
+ irq = irq_of_parse_and_map(timer, 0);
timer_num = be32_to_cpup(of_get_property(timer,
"xlnx,one-timer-only", NULL));
if (timer_num) {
- eprintk(KERN_EMERG "Please enable two timers in HW\n");
+ printk(KERN_EMERG "Please enable two timers in HW\n");
BUG();
}
#ifdef CONFIG_SELFMOD_TIMER
selfmod_function((int *) arr_func, timer_baseaddr);
#endif
- printk(KERN_INFO "%s #0 at 0x%08x, irq=%d\n",
- timer_list[i], timer_baseaddr, irq);
+ printk(KERN_INFO "XPS timer #0 at 0x%08x, irq=%d\n",
+ timer_baseaddr, irq);
/* If there is clock-frequency property than use it */
prop = of_get_property(timer, "clock-frequency", NULL);
diff --git a/arch/microblaze/lib/Makefile b/arch/microblaze/lib/Makefile
index c13067b243c..844960e8ae1 100644
--- a/arch/microblaze/lib/Makefile
+++ b/arch/microblaze/lib/Makefile
@@ -20,6 +20,7 @@ lib-y += uaccess_old.o
lib-y += ashldi3.o
lib-y += ashrdi3.o
+lib-y += cmpdi2.o
lib-y += divsi3.o
lib-y += lshrdi3.o
lib-y += modsi3.o
diff --git a/arch/microblaze/lib/cmpdi2.c b/arch/microblaze/lib/cmpdi2.c
new file mode 100644
index 00000000000..a708400ea7b
--- /dev/null
+++ b/arch/microblaze/lib/cmpdi2.c
@@ -0,0 +1,26 @@
+#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/microblaze/pci/pci-common.c b/arch/microblaze/pci/pci-common.c
index db841c7b9d5..0d71b2ed810 100644
--- a/arch/microblaze/pci/pci-common.c
+++ b/arch/microblaze/pci/pci-common.c
@@ -242,7 +242,7 @@ int pci_read_irq_line(struct pci_dev *pci_dev)
line, pin);
virq = irq_create_mapping(NULL, line);
- if (virq != NO_IRQ)
+ if (virq)
irq_set_irq_type(virq, IRQ_TYPE_LEVEL_LOW);
} else {
pr_debug(" Got one, spec %d cells (0x%08x 0x%08x...) on %s\n",
@@ -253,7 +253,7 @@ int pci_read_irq_line(struct pci_dev *pci_dev)
virq = irq_create_of_mapping(oirq.controller, oirq.specifier,
oirq.size);
}
- if (virq == NO_IRQ) {
+ if (!virq) {
pr_debug(" Failed to map !\n");
return -1;
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-09 20:45:20 +0000