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-rw-r--r--include/asm-blackfin/config.h7
-rw-r--r--include/asm-blackfin/deferred.h20
-rw-r--r--include/asm-blackfin/entry.h10
-rw-r--r--include/asm-blackfin/mach-common/bits/core.h3
-rw-r--r--include/asm-blackfin/signal.h1
-rw-r--r--include/asm-generic/signal.h101
-rw-r--r--include/configs/bfin_adi_common.h1
7 files changed, 143 insertions, 0 deletions
diff --git a/include/asm-blackfin/config.h b/include/asm-blackfin/config.h
index 0ae838a..7455685 100644
--- a/include/asm-blackfin/config.h
+++ b/include/asm-blackfin/config.h
@@ -66,6 +66,11 @@
# error CONFIG_PLL_BYPASS: Invalid value: must be 0 or 1
#endif
+/* If we are using KGDB, make sure we defer exceptions */
+#ifdef CONFIG_CMD_KGDB
+# define CONFIG_EXCEPTION_DEFER 1
+#endif
+
/* Using L1 scratch pad makes sense for everyone by default. */
#ifndef CONFIG_LINUX_CMDLINE_ADDR
# define CONFIG_LINUX_CMDLINE_ADDR L1_SRAM_SCRATCH
@@ -138,6 +143,8 @@
#endif
#ifndef CONFIG_SYS_CBSIZE
# define CONFIG_SYS_CBSIZE 1024
+#elif defined(CONFIG_CMD_KGDB) && CONFIG_SYS_CBSIZE < 1024
+# error "kgdb needs cbsize to be >= 1024"
#endif
#ifndef CONFIG_SYS_BARGSIZE
# define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE
diff --git a/include/asm-blackfin/deferred.h b/include/asm-blackfin/deferred.h
new file mode 100644
index 0000000..82ceda3
--- /dev/null
+++ b/include/asm-blackfin/deferred.h
@@ -0,0 +1,20 @@
+/*
+ * U-boot - deferred register layout
+ *
+ * Copyright 2004-2009 Analog Devices Inc.
+ *
+ * Licensed under the GPL-2 or later.
+ */
+
+#ifndef _BLACKFIN_DEFER_H
+#define _BLACKFIN_DEFER_H
+
+#define deferred_regs_DCPLB_FAULT_ADDR 0
+#define deferred_regs_ICPLB_FAULT_ADDR 1
+#define deferred_regs_retx 2
+#define deferred_regs_SEQSTAT 3
+#define deferred_regs_SYSCFG 4
+#define deferred_regs_IMASK 5
+#define deferred_regs_last 6
+
+#endif /* _BLACKFIN_DEFER_H */
diff --git a/include/asm-blackfin/entry.h b/include/asm-blackfin/entry.h
index ef74d68..404144f 100644
--- a/include/asm-blackfin/entry.h
+++ b/include/asm-blackfin/entry.h
@@ -86,6 +86,11 @@
[--sp] = RETE;
[--sp] = SEQSTAT;
[--sp] = SYSCFG;
+#ifdef CONFIG_CMD_KGDB
+ p0.l = lo(IPEND)
+ p0.h = hi(IPEND)
+ r0 = [p0];
+#endif
[--sp] = r0; /* Skip IPEND as well. */
.endm
@@ -137,6 +142,11 @@
[--sp] = RETE;
[--sp] = SEQSTAT;
[--sp] = SYSCFG;
+#ifdef CONFIG_CMD_KGDB
+ p0.l = lo(IPEND)
+ p0.h = hi(IPEND)
+ r0 = [p0];
+#endif
[--sp] = r0; /* Skip IPEND as well. */
.endm
diff --git a/include/asm-blackfin/mach-common/bits/core.h b/include/asm-blackfin/mach-common/bits/core.h
index d8cee10..6db4f81 100644
--- a/include/asm-blackfin/mach-common/bits/core.h
+++ b/include/asm-blackfin/mach-common/bits/core.h
@@ -105,5 +105,8 @@
#define SSSTEP 0x00000001 /* Supervisor Single Step */
#define CCEN 0x00000002 /* Cycle Counter Enable */
#define SNEN 0x00000004 /* Self-Nesting Interrupt Enable */
+#define SYSCFG_SSSTEP_P 0
+#define SYSCFG_CCEN_P 1
+#define SYSCFG_SCEN_P 2
#endif
diff --git a/include/asm-blackfin/signal.h b/include/asm-blackfin/signal.h
new file mode 100644
index 0000000..7b1573c
--- /dev/null
+++ b/include/asm-blackfin/signal.h
@@ -0,0 +1 @@
+#include <asm-generic/signal.h>
diff --git a/include/asm-generic/signal.h b/include/asm-generic/signal.h
new file mode 100644
index 0000000..af93947
--- /dev/null
+++ b/include/asm-generic/signal.h
@@ -0,0 +1,101 @@
+#ifndef __ASM_GENERIC_SIGNAL_H
+#define __ASM_GENERIC_SIGNAL_H
+
+#include <linux/types.h>
+
+#define _NSIG 64
+#define _NSIG_BPW BITS_PER_LONG
+#define _NSIG_WORDS (_NSIG / _NSIG_BPW)
+
+#define SIGHUP 1
+#define SIGINT 2
+#define SIGQUIT 3
+#define SIGILL 4
+#define SIGTRAP 5
+#define SIGABRT 6
+#define SIGIOT 6
+#define SIGBUS 7
+#define SIGFPE 8
+#define SIGKILL 9
+#define SIGUSR1 10
+#define SIGSEGV 11
+#define SIGUSR2 12
+#define SIGPIPE 13
+#define SIGALRM 14
+#define SIGTERM 15
+#define SIGSTKFLT 16
+#define SIGCHLD 17
+#define SIGCONT 18
+#define SIGSTOP 19
+#define SIGTSTP 20
+#define SIGTTIN 21
+#define SIGTTOU 22
+#define SIGURG 23
+#define SIGXCPU 24
+#define SIGXFSZ 25
+#define SIGVTALRM 26
+#define SIGPROF 27
+#define SIGWINCH 28
+#define SIGIO 29
+#define SIGPOLL SIGIO
+/*
+#define SIGLOST 29
+*/
+#define SIGPWR 30
+#define SIGSYS 31
+#define SIGUNUSED 31
+
+/* These should not be considered constants from userland. */
+#define SIGRTMIN 32
+#ifndef SIGRTMAX
+#define SIGRTMAX _NSIG
+#endif
+
+/*
+ * SA_FLAGS values:
+ *
+ * SA_ONSTACK indicates that a registered stack_t will be used.
+ * SA_RESTART flag to get restarting signals (which were the default long ago)
+ * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop.
+ * SA_RESETHAND clears the handler when the signal is delivered.
+ * SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies.
+ * SA_NODEFER prevents the current signal from being masked in the handler.
+ *
+ * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single
+ * Unix names RESETHAND and NODEFER respectively.
+ */
+#define SA_NOCLDSTOP 0x00000001
+#define SA_NOCLDWAIT 0x00000002
+#define SA_SIGINFO 0x00000004
+#define SA_ONSTACK 0x08000000
+#define SA_RESTART 0x10000000
+#define SA_NODEFER 0x40000000
+#define SA_RESETHAND 0x80000000
+
+#define SA_NOMASK SA_NODEFER
+#define SA_ONESHOT SA_RESETHAND
+
+/*
+ * New architectures should not define the obsolete
+ * SA_RESTORER 0x04000000
+ */
+
+/*
+ * sigaltstack controls
+ */
+#define SS_ONSTACK 1
+#define SS_DISABLE 2
+
+#define MINSIGSTKSZ 2048
+#define SIGSTKSZ 8192
+
+#ifndef __ASSEMBLY__
+typedef struct {
+ unsigned long sig[_NSIG_WORDS];
+} sigset_t;
+
+/* not actually used, but required for linux/syscalls.h */
+
+#endif /* __ASSEMBLY__ */
+
+#endif /* _ASM_GENERIC_SIGNAL_H */
diff --git a/include/configs/bfin_adi_common.h b/include/configs/bfin_adi_common.h
index 6a2f1c7..1896cf5 100644
--- a/include/configs/bfin_adi_common.h
+++ b/include/configs/bfin_adi_common.h
@@ -83,6 +83,7 @@
# define CONFIG_CMD_CPLBINFO
# define CONFIG_CMD_ELF
# define CONFIG_ELF_SIMPLE_LOAD
+# define CONFIG_CMD_KGDB
# define CONFIG_CMD_REGINFO
# define CONFIG_CMD_STRINGS
# if defined(__ADSPBF51x__) || defined(__ADSPBF52x__) || defined(__ADSPBF54x__)