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-rw-r--r--arch/frv/include/asm/gdb-stub.h7
-rw-r--r--arch/frv/include/asm/mem-layout.h4
-rw-r--r--arch/frv/include/asm/scatterlist.h40
-rw-r--r--arch/frv/kernel/gdb-io.c4
-rw-r--r--arch/frv/kernel/gdb-stub.c61
-rw-r--r--arch/frv/kernel/ptrace.c20
-rw-r--r--arch/frv/kernel/sysctl.c18
7 files changed, 83 insertions, 71 deletions
diff --git a/arch/frv/include/asm/gdb-stub.h b/arch/frv/include/asm/gdb-stub.h
index 2da716407ff..e6bedd0cd9a 100644
--- a/arch/frv/include/asm/gdb-stub.h
+++ b/arch/frv/include/asm/gdb-stub.h
@@ -12,6 +12,7 @@
#ifndef __ASM_GDB_STUB_H
#define __ASM_GDB_STUB_H
+#undef GDBSTUB_DEBUG_IO
#undef GDBSTUB_DEBUG_PROTOCOL
#include <asm/ptrace.h>
@@ -108,6 +109,12 @@ extern void gdbstub_printk(const char *fmt, ...);
extern void debug_to_serial(const char *p, int n);
extern void console_set_baud(unsigned baud);
+#ifdef GDBSTUB_DEBUG_IO
+#define gdbstub_io(FMT,...) gdbstub_printk(FMT, ##__VA_ARGS__)
+#else
+#define gdbstub_io(FMT,...) ({ 0; })
+#endif
+
#ifdef GDBSTUB_DEBUG_PROTOCOL
#define gdbstub_proto(FMT,...) gdbstub_printk(FMT,##__VA_ARGS__)
#else
diff --git a/arch/frv/include/asm/mem-layout.h b/arch/frv/include/asm/mem-layout.h
index 2947764fc0e..ccae981876f 100644
--- a/arch/frv/include/asm/mem-layout.h
+++ b/arch/frv/include/asm/mem-layout.h
@@ -35,8 +35,8 @@
* the slab must be aligned such that load- and store-double instructions don't
* fault if used
*/
-#define ARCH_KMALLOC_MINALIGN 8
-#define ARCH_SLAB_MINALIGN 8
+#define ARCH_KMALLOC_MINALIGN L1_CACHE_BYTES
+#define ARCH_SLAB_MINALIGN L1_CACHE_BYTES
/*****************************************************************************/
/*
diff --git a/arch/frv/include/asm/scatterlist.h b/arch/frv/include/asm/scatterlist.h
index 4bca8a28546..1614bfd7e3a 100644
--- a/arch/frv/include/asm/scatterlist.h
+++ b/arch/frv/include/asm/scatterlist.h
@@ -1,45 +1,7 @@
#ifndef _ASM_SCATTERLIST_H
#define _ASM_SCATTERLIST_H
-#include <asm/types.h>
-
-/*
- * Drivers must set either ->address or (preferred) page and ->offset
- * to indicate where data must be transferred to/from.
- *
- * Using page is recommended since it handles highmem data as well as
- * low mem. ->address is restricted to data which has a virtual mapping, and
- * it will go away in the future. Updating to page can be automated very
- * easily -- something like
- *
- * sg->address = some_ptr;
- *
- * can be rewritten as
- *
- * sg_set_buf(sg, some_ptr, length);
- *
- * and that's it. There's no excuse for not highmem enabling YOUR driver. /jens
- */
-struct scatterlist {
-#ifdef CONFIG_DEBUG_SG
- unsigned long sg_magic;
-#endif
- unsigned long page_link;
- unsigned int offset; /* for highmem, page offset */
-
- dma_addr_t dma_address;
- unsigned int length;
-};
-
-/*
- * These macros should be used after a pci_map_sg call has been done
- * to get bus addresses of each of the SG entries and their lengths.
- * You should only work with the number of sg entries pci_map_sg
- * returns, or alternatively stop on the first sg_dma_len(sg) which
- * is 0.
- */
-#define sg_dma_address(sg) ((sg)->dma_address)
-#define sg_dma_len(sg) ((sg)->length)
+#include <asm-generic/scatterlist.h>
#define ISA_DMA_THRESHOLD (0xffffffffUL)
diff --git a/arch/frv/kernel/gdb-io.c b/arch/frv/kernel/gdb-io.c
index c997bccb922..2ca641d199f 100644
--- a/arch/frv/kernel/gdb-io.c
+++ b/arch/frv/kernel/gdb-io.c
@@ -171,11 +171,11 @@ int gdbstub_rx_char(unsigned char *_ch, int nonblock)
return -EINTR;
}
else if (st & (UART_LSR_FE|UART_LSR_OE|UART_LSR_PE)) {
- gdbstub_proto("### GDB Rx Error (st=%02x) ###\n",st);
+ gdbstub_io("### GDB Rx Error (st=%02x) ###\n",st);
return -EIO;
}
else {
- gdbstub_proto("### GDB Rx %02x (st=%02x) ###\n",ch,st);
+ gdbstub_io("### GDB Rx %02x (st=%02x) ###\n",ch,st);
*_ch = ch & 0x7f;
return 0;
}
diff --git a/arch/frv/kernel/gdb-stub.c b/arch/frv/kernel/gdb-stub.c
index 7ca8a6b19ac..84d103c33c9 100644
--- a/arch/frv/kernel/gdb-stub.c
+++ b/arch/frv/kernel/gdb-stub.c
@@ -1344,6 +1344,44 @@ void gdbstub_get_mmu_state(void)
} /* end gdbstub_get_mmu_state() */
+/*
+ * handle general query commands of the form 'qXXXXX'
+ */
+static void gdbstub_handle_query(void)
+{
+ if (strcmp(input_buffer, "qAttached") == 0) {
+ /* return current thread ID */
+ sprintf(output_buffer, "1");
+ return;
+ }
+
+ if (strcmp(input_buffer, "qC") == 0) {
+ /* return current thread ID */
+ sprintf(output_buffer, "QC 0");
+ return;
+ }
+
+ if (strcmp(input_buffer, "qOffsets") == 0) {
+ /* return relocation offset of text and data segments */
+ sprintf(output_buffer, "Text=0;Data=0;Bss=0");
+ return;
+ }
+
+ if (strcmp(input_buffer, "qSymbol::") == 0) {
+ sprintf(output_buffer, "OK");
+ return;
+ }
+
+ if (strcmp(input_buffer, "qSupported") == 0) {
+ /* query of supported features */
+ sprintf(output_buffer, "PacketSize=%u;ReverseContinue-;ReverseStep-",
+ sizeof(input_buffer));
+ return;
+ }
+
+ gdbstub_strcpy(output_buffer,"E01");
+}
+
/*****************************************************************************/
/*
* handle event interception and GDB remote protocol processing
@@ -1840,6 +1878,10 @@ void gdbstub(int sigval)
case 'k' :
goto done; /* just continue */
+ /* detach */
+ case 'D':
+ gdbstub_strcpy(output_buffer, "OK");
+ break;
/* reset the whole machine (FIXME: system dependent) */
case 'r':
@@ -1852,6 +1894,14 @@ void gdbstub(int sigval)
__debug_status.dcr |= DCR_SE;
goto done;
+ /* extended command */
+ case 'v':
+ if (strcmp(input_buffer, "vCont?") == 0) {
+ output_buffer[0] = 0;
+ break;
+ }
+ goto unsupported_cmd;
+
/* set baud rate (bBB) */
case 'b':
ptr = &input_buffer[1];
@@ -1923,8 +1973,19 @@ void gdbstub(int sigval)
gdbstub_strcpy(output_buffer,"OK");
break;
+ /* Thread-setting packet */
+ case 'H':
+ gdbstub_strcpy(output_buffer, "OK");
+ break;
+
+ case 'q':
+ gdbstub_handle_query();
+ break;
+
default:
+ unsupported_cmd:
gdbstub_proto("### GDB Unsupported Cmd '%s'\n",input_buffer);
+ gdbstub_strcpy(output_buffer,"E01");
break;
}
diff --git a/arch/frv/kernel/ptrace.c b/arch/frv/kernel/ptrace.c
index 60eeed3694c..fac028936a0 100644
--- a/arch/frv/kernel/ptrace.c
+++ b/arch/frv/kernel/ptrace.c
@@ -344,26 +344,6 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
0, sizeof(child->thread.user->f),
(const void __user *)data);
- case PTRACE_GETFDPIC:
- tmp = 0;
- switch (addr) {
- case PTRACE_GETFDPIC_EXEC:
- tmp = child->mm->context.exec_fdpic_loadmap;
- break;
- case PTRACE_GETFDPIC_INTERP:
- tmp = child->mm->context.interp_fdpic_loadmap;
- break;
- default:
- break;
- }
-
- ret = 0;
- if (put_user(tmp, (unsigned long *) data)) {
- ret = -EFAULT;
- break;
- }
- break;
-
default:
ret = ptrace_request(child, request, addr, data);
break;
diff --git a/arch/frv/kernel/sysctl.c b/arch/frv/kernel/sysctl.c
index 71abd1510a5..6c155d69da2 100644
--- a/arch/frv/kernel/sysctl.c
+++ b/arch/frv/kernel/sysctl.c
@@ -46,8 +46,9 @@ static void frv_change_dcache_mode(unsigned long newmode)
/*
* handle requests to dynamically switch the write caching mode delivered by /proc
*/
-static int procctl_frv_cachemode(ctl_table *table, int write, struct file *filp,
- void __user *buffer, size_t *lenp, loff_t *ppos)
+static int procctl_frv_cachemode(ctl_table *table, int write,
+ void __user *buffer, size_t *lenp,
+ loff_t *ppos)
{
unsigned long hsr0;
char buff[8];
@@ -84,7 +85,7 @@ static int procctl_frv_cachemode(ctl_table *table, int write, struct file *filp,
}
/* read the state */
- if (filp->f_pos > 0) {
+ if (*ppos > 0) {
*lenp = 0;
return 0;
}
@@ -110,7 +111,7 @@ static int procctl_frv_cachemode(ctl_table *table, int write, struct file *filp,
return -EFAULT;
*lenp = len;
- filp->f_pos = len;
+ *ppos = len;
return 0;
} /* end procctl_frv_cachemode() */
@@ -120,8 +121,9 @@ static int procctl_frv_cachemode(ctl_table *table, int write, struct file *filp,
* permit the mm_struct the nominated process is using have its MMU context ID pinned
*/
#ifdef CONFIG_MMU
-static int procctl_frv_pin_cxnr(ctl_table *table, int write, struct file *filp,
- void __user *buffer, size_t *lenp, loff_t *ppos)
+static int procctl_frv_pin_cxnr(ctl_table *table, int write,
+ void __user *buffer, size_t *lenp,
+ loff_t *ppos)
{
pid_t pid;
char buff[16], *p;
@@ -150,7 +152,7 @@ static int procctl_frv_pin_cxnr(ctl_table *table, int write, struct file *filp,
}
/* read the currently pinned CXN */
- if (filp->f_pos > 0) {
+ if (*ppos > 0) {
*lenp = 0;
return 0;
}
@@ -163,7 +165,7 @@ static int procctl_frv_pin_cxnr(ctl_table *table, int write, struct file *filp,
return -EFAULT;
*lenp = len;
- filp->f_pos = len;
+ *ppos = len;
return 0;
} /* end procctl_frv_pin_cxnr() */
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-14 11:55:05 +0000