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-rw-r--r--arch/microblaze/kernel/dma.c3
-rw-r--r--arch/microblaze/kernel/entry.S28
-rw-r--r--arch/microblaze/kernel/process.c17
-rw-r--r--arch/microblaze/kernel/setup.c2
-rw-r--r--arch/microblaze/kernel/syscall_table.S1
-rw-r--r--arch/microblaze/kernel/timer.c4
6 files changed, 25 insertions, 30 deletions
diff --git a/arch/microblaze/kernel/dma.c b/arch/microblaze/kernel/dma.c
index 12e093a03e60..e45ada8fb006 100644
--- a/arch/microblaze/kernel/dma.c
+++ b/arch/microblaze/kernel/dma.c
@@ -65,8 +65,7 @@ static int dma_direct_map_sg(struct device *dev, struct scatterlist *sgl,
if (attrs & DMA_ATTR_SKIP_CPU_SYNC)
continue;
- __dma_sync(page_to_phys(sg_page(sg)) + sg->offset,
- sg->length, direction);
+ __dma_sync(sg_phys(sg), sg->length, direction);
}
return nents;
diff --git a/arch/microblaze/kernel/entry.S b/arch/microblaze/kernel/entry.S
index ef548510b951..4e1b567becd6 100644
--- a/arch/microblaze/kernel/entry.S
+++ b/arch/microblaze/kernel/entry.S
@@ -208,9 +208,7 @@ syscall_debug_table:
mfs r11, rmsr; /* save MSR */ \
swi r11, r1, PT_MSR;
-#define RESTORE_REGS \
- lwi r11, r1, PT_MSR; \
- mts rmsr , r11; \
+#define RESTORE_REGS_GP \
lwi r2, r1, PT_R2; /* restore SDA */ \
lwi r3, r1, PT_R3; \
lwi r4, r1, PT_R4; \
@@ -242,6 +240,18 @@ syscall_debug_table:
lwi r30, r1, PT_R30; \
lwi r31, r1, PT_R31; /* Restore cur task reg */
+#define RESTORE_REGS \
+ lwi r11, r1, PT_MSR; \
+ mts rmsr , r11; \
+ RESTORE_REGS_GP
+
+#define RESTORE_REGS_RTBD \
+ lwi r11, r1, PT_MSR; \
+ andni r11, r11, MSR_EIP; /* clear EIP */ \
+ ori r11, r11, MSR_EE | MSR_BIP; /* set EE and BIP */ \
+ mts rmsr , r11; \
+ RESTORE_REGS_GP
+
#define SAVE_STATE \
swi r1, r0, TOPHYS(PER_CPU(ENTRY_SP)); /* save stack */ \
/* See if already in kernel mode.*/ \
@@ -427,7 +437,7 @@ C_ENTRY(ret_from_trap):
swi CURRENT_TASK, r0, PER_CPU(CURRENT_SAVE); /* save current */
VM_OFF;
tophys(r1,r1);
- RESTORE_REGS;
+ RESTORE_REGS_RTBD;
addik r1, r1, PT_SIZE /* Clean up stack space. */
lwi r1, r1, PT_R1 - PT_SIZE;/* Restore user stack pointer. */
bri 6f;
@@ -436,7 +446,7 @@ C_ENTRY(ret_from_trap):
2: set_bip; /* Ints masked for state restore */
VM_OFF;
tophys(r1,r1);
- RESTORE_REGS;
+ RESTORE_REGS_RTBD;
addik r1, r1, PT_SIZE /* Clean up stack space. */
tovirt(r1,r1);
6:
@@ -612,7 +622,7 @@ C_ENTRY(ret_from_exc):
VM_OFF;
tophys(r1,r1);
- RESTORE_REGS;
+ RESTORE_REGS_RTBD;
addik r1, r1, PT_SIZE /* Clean up stack space. */
lwi r1, r1, PT_R1 - PT_SIZE; /* Restore user stack pointer. */
@@ -621,7 +631,7 @@ C_ENTRY(ret_from_exc):
2: set_bip; /* Ints masked for state restore */
VM_OFF;
tophys(r1,r1);
- RESTORE_REGS;
+ RESTORE_REGS_RTBD;
addik r1, r1, PT_SIZE /* Clean up stack space. */
tovirt(r1,r1);
@@ -847,7 +857,7 @@ dbtrap_call: /* Return point for kernel/user entry + 8 because of rtsd r15, 8 */
VM_OFF;
tophys(r1,r1);
/* MS: Restore all regs */
- RESTORE_REGS
+ RESTORE_REGS_RTBD
addik r1, r1, PT_SIZE /* Clean up stack space */
lwi r1, r1, PT_R1 - PT_SIZE; /* Restore user stack pointer */
DBTRAP_return_user: /* MS: Make global symbol for debugging */
@@ -858,7 +868,7 @@ DBTRAP_return_user: /* MS: Make global symbol for debugging */
2: VM_OFF;
tophys(r1,r1);
/* MS: Restore all regs */
- RESTORE_REGS
+ RESTORE_REGS_RTBD
lwi r14, r1, PT_R14;
lwi r16, r1, PT_PC;
addik r1, r1, PT_SIZE; /* MS: Clean up stack space */
diff --git a/arch/microblaze/kernel/process.c b/arch/microblaze/kernel/process.c
index e92a817e645f..6527ec22f158 100644
--- a/arch/microblaze/kernel/process.c
+++ b/arch/microblaze/kernel/process.c
@@ -119,23 +119,6 @@ int copy_thread(unsigned long clone_flags, unsigned long usp,
return 0;
}
-#ifndef CONFIG_MMU
-/*
- * Return saved PC of a blocked thread.
- */
-unsigned long thread_saved_pc(struct task_struct *tsk)
-{
- struct cpu_context *ctx =
- &(((struct thread_info *)(tsk->stack))->cpu_context);
-
- /* Check whether the thread is blocked in resume() */
- if (in_sched_functions(ctx->r15))
- return (unsigned long)ctx->r15;
- else
- return ctx->r14;
-}
-#endif
-
unsigned long get_wchan(struct task_struct *p)
{
/* TBD (used by procfs) */
diff --git a/arch/microblaze/kernel/setup.c b/arch/microblaze/kernel/setup.c
index f31ebb5dc26c..be98ffe28ca8 100644
--- a/arch/microblaze/kernel/setup.c
+++ b/arch/microblaze/kernel/setup.c
@@ -192,7 +192,7 @@ void __init time_init(void)
{
of_clk_init(NULL);
setup_cpuinfo_clk();
- clocksource_probe();
+ timer_probe();
}
#ifdef CONFIG_DEBUG_FS
diff --git a/arch/microblaze/kernel/syscall_table.S b/arch/microblaze/kernel/syscall_table.S
index 6841c2df14d9..c48ff4ad2070 100644
--- a/arch/microblaze/kernel/syscall_table.S
+++ b/arch/microblaze/kernel/syscall_table.S
@@ -398,3 +398,4 @@ ENTRY(sys_call_table)
.long sys_pkey_mprotect /* 395 */
.long sys_pkey_alloc
.long sys_pkey_free
+ .long sys_statx
diff --git a/arch/microblaze/kernel/timer.c b/arch/microblaze/kernel/timer.c
index 999066192715..ea2d83f1f4bb 100644
--- a/arch/microblaze/kernel/timer.c
+++ b/arch/microblaze/kernel/timer.c
@@ -178,8 +178,10 @@ static __init int xilinx_clockevent_init(void)
clockevent_xilinx_timer.shift);
clockevent_xilinx_timer.max_delta_ns =
clockevent_delta2ns((u32)~0, &clockevent_xilinx_timer);
+ clockevent_xilinx_timer.max_delta_ticks = (u32)~0;
clockevent_xilinx_timer.min_delta_ns =
clockevent_delta2ns(1, &clockevent_xilinx_timer);
+ clockevent_xilinx_timer.min_delta_ticks = 1;
clockevent_xilinx_timer.cpumask = cpumask_of(0);
clockevents_register_device(&clockevent_xilinx_timer);
@@ -333,5 +335,5 @@ static int __init xilinx_timer_init(struct device_node *timer)
return 0;
}
-CLOCKSOURCE_OF_DECLARE(xilinx_timer, "xlnx,xps-timer-1.00.a",
+TIMER_OF_DECLARE(xilinx_timer, "xlnx,xps-timer-1.00.a",
xilinx_timer_init);
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.