diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-01-07 12:00:25 -0800 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-01-07 12:00:25 -0800 |
commit | 5bb47b9ff3d16d40f8d45380b373497a545fa280 (patch) | |
tree | e13dd34395473342dc75eff5cbaf5b1ea753631c /arch/blackfin/kernel/kgdb.c | |
parent | 2f2408a88cf8fa43febfd7fb5783e61b2937b0f9 (diff) | |
parent | 06af15e086e39a5a2a2413973a64af8e10122f28 (diff) |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/cooloney/blackfin-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/cooloney/blackfin-2.6: (171 commits)
Blackfin arch: fix bug - BF527 0.2 silicon has different CPUID (DSPID) value
Blackfin arch: Enlarge flash partition for kenel for bf533/bf537 boards
Blackfin arch: fix bug: kernel crash when enable SDIO host driver
Blackfin arch: Print FP at level KERN_NOTICE
Blackfin arch: drop ad73311 test code
Blackfin arch: update board default configs
Blackfin arch: Set PB4 as the default irq for bf548 board v1.4+.
Blackfin arch: fix typo in early printk bit size processing
Blackfin arch: enable reprogram cclk and sclk for bf518f-ezbrd
Blackfin arch: add SDIO host driver platform data
Blackfin arch: fix bug - kernel stops at initial console
Blackfin arch: fix bug - kernel crash after config IP for ethernet port
Blackfin arch: add sdh support for bf518f-ezbrd
Blackfin arch: fix bug - kernel detects BF532 incorrectly
Blackfin arch: add () to avoid warnings from gcc
Blackfin arch: change HWTRACE Kconfig and set it on default
Blackfin arch: Clean oprofile build path for blackfin
Blackfin arch: remove hardware PM code, oprofile not use it
Blackfin arch: rewrite get_sclk()/get_vco()
Blackfin arch: cleanup and unify the ins functions
...
Diffstat (limited to 'arch/blackfin/kernel/kgdb.c')
-rw-r--r-- | arch/blackfin/kernel/kgdb.c | 125 |
1 files changed, 35 insertions, 90 deletions
diff --git a/arch/blackfin/kernel/kgdb.c b/arch/blackfin/kernel/kgdb.c index 1c5afaeb9504..b163f6d3330d 100644 --- a/arch/blackfin/kernel/kgdb.c +++ b/arch/blackfin/kernel/kgdb.c @@ -34,9 +34,14 @@ int gdb_bfin_vector = -1; #error change the definition of slavecpulocks #endif -#ifdef CONFIG_BFIN_WDT -# error "Please unselect blackfin watchdog driver before build KGDB." -#endif +#define IN_MEM(addr, size, l1_addr, l1_size) \ +({ \ + unsigned long __addr = (unsigned long)(addr); \ + (l1_size && __addr >= l1_addr && __addr + (size) <= l1_addr + l1_size); \ +}) +#define ASYNC_BANK_SIZE \ + (ASYNC_BANK0_SIZE + ASYNC_BANK1_SIZE + \ + ASYNC_BANK2_SIZE + ASYNC_BANK3_SIZE) void pt_regs_to_gdb_regs(unsigned long *gdb_regs, struct pt_regs *regs) { @@ -219,6 +224,7 @@ int bfin_set_hw_break(unsigned long addr, int len, enum kgdb_bptype type) if (bfin_type == breakinfo[breakno].type && !breakinfo[breakno].occupied) { breakinfo[breakno].occupied = 1; + breakinfo[breakno].skip = 0; breakinfo[breakno].enabled = 1; breakinfo[breakno].addr = addr; breakinfo[breakno].dataacc = dataacc; @@ -363,12 +369,12 @@ void kgdb_passive_cpu_callback(void *info) void kgdb_roundup_cpus(unsigned long flags) { - smp_call_function(kgdb_passive_cpu_callback, NULL, 0, 0); + smp_call_function(kgdb_passive_cpu_callback, NULL, 0); } void kgdb_roundup_cpu(int cpu, unsigned long flags) { - smp_call_function_single(cpu, kgdb_passive_cpu_callback, NULL, 0, 0); + smp_call_function_single(cpu, kgdb_passive_cpu_callback, NULL, 0); } #endif @@ -385,10 +391,8 @@ int kgdb_arch_handle_exception(int vector, int signo, struct pt_regs *regs) { long addr; - long breakno; char *ptr; int newPC; - int wp_status; int i; switch (remcom_in_buffer[0]) { @@ -426,17 +430,6 @@ int kgdb_arch_handle_exception(int vector, int signo, kgdb_single_step = i + 1; } - if (vector == VEC_WATCH) { - wp_status = bfin_read_WPSTAT(); - for (breakno = 0; breakno < HW_WATCHPOINT_NUM; breakno++) { - if (wp_status & (1 << breakno)) { - breakinfo->skip = 1; - break; - } - } - bfin_write_WPSTAT(0); - } - bfin_correct_hw_break(); return 0; @@ -478,57 +471,32 @@ static int validate_memory_access_address(unsigned long addr, int size) return 0; if (addr >= SYSMMR_BASE) return 0; - if (addr >= ASYNC_BANK0_BASE - && addr + size <= ASYNC_BANK3_BASE + ASYNC_BANK3_SIZE) + if (IN_MEM(addr, size, ASYNC_BANK0_BASE, ASYNC_BANK_SIZE)) return 0; if (cpu == 0) { - if (addr >= L1_SCRATCH_START - && (addr + size <= L1_SCRATCH_START + L1_SCRATCH_LENGTH)) + if (IN_MEM(addr, size, L1_SCRATCH_START, L1_SCRATCH_LENGTH)) return 0; -#if L1_CODE_LENGTH != 0 - if (addr >= L1_CODE_START - && (addr + size <= L1_CODE_START + L1_CODE_LENGTH)) + if (IN_MEM(addr, size, L1_CODE_START, L1_CODE_LENGTH)) return 0; -#endif -#if L1_DATA_A_LENGTH != 0 - if (addr >= L1_DATA_A_START - && (addr + size <= L1_DATA_A_START + L1_DATA_A_LENGTH)) + if (IN_MEM(addr, size, L1_DATA_A_START, L1_DATA_A_LENGTH)) return 0; -#endif -#if L1_DATA_B_LENGTH != 0 - if (addr >= L1_DATA_B_START - && (addr + size <= L1_DATA_B_START + L1_DATA_B_LENGTH)) + if (IN_MEM(addr, size, L1_DATA_B_START, L1_DATA_B_LENGTH)) return 0; -#endif #ifdef CONFIG_SMP } else if (cpu == 1) { - if (addr >= COREB_L1_SCRATCH_START - && (addr + size <= COREB_L1_SCRATCH_START - + L1_SCRATCH_LENGTH)) + if (IN_MEM(addr, size, COREB_L1_SCRATCH_START, L1_SCRATCH_LENGTH)) return 0; -# if L1_CODE_LENGTH != 0 - if (addr >= COREB_L1_CODE_START - && (addr + size <= COREB_L1_CODE_START + L1_CODE_LENGTH)) + if (IN_MEM(addr, size, COREB_L1_CODE_START, L1_CODE_LENGTH)) return 0; -# endif -# if L1_DATA_A_LENGTH != 0 - if (addr >= COREB_L1_DATA_A_START - && (addr + size <= COREB_L1_DATA_A_START + L1_DATA_A_LENGTH)) + if (IN_MEM(addr, size, COREB_L1_DATA_A_START, L1_DATA_A_LENGTH)) return 0; -# endif -# if L1_DATA_B_LENGTH != 0 - if (addr >= COREB_L1_DATA_B_START - && (addr + size <= COREB_L1_DATA_B_START + L1_DATA_B_LENGTH)) + if (IN_MEM(addr, size, COREB_L1_DATA_B_START, L1_DATA_B_LENGTH)) return 0; -# endif #endif } -#if L2_LENGTH != 0 - if (addr >= L2_START - && addr + size <= L2_START + L2_LENGTH) + if (IN_MEM(addr, size, L2_START, L2_LENGTH)) return 0; -#endif return EFAULT; } @@ -582,12 +550,9 @@ int kgdb_mem2hex(char *mem, char *buf, int count) default: err = EFAULT; } - } else if (cpu == 0 && (unsigned int)mem >= L1_CODE_START && - (unsigned int)(mem + count) <= L1_CODE_START + L1_CODE_LENGTH + } else if ((cpu == 0 && IN_MEM(mem, count, L1_CODE_START, L1_CODE_LENGTH)) #ifdef CONFIG_SMP - || cpu == 1 && (unsigned int)mem >= COREB_L1_CODE_START && - (unsigned int)(mem + count) <= - COREB_L1_CODE_START + L1_CODE_LENGTH + || (cpu == 1 && IN_MEM(mem, count, COREB_L1_CODE_START, L1_CODE_LENGTH)) #endif ) { /* access L1 instruction SRAM*/ @@ -658,12 +623,9 @@ int kgdb_ebin2mem(char *buf, char *mem, int count) default: return EFAULT; } - } else if (cpu == 0 && (unsigned int)mem >= L1_CODE_START && - (unsigned int)(mem + count) < L1_CODE_START + L1_CODE_LENGTH + } else if ((cpu == 0 && IN_MEM(mem, count, L1_CODE_START, L1_CODE_LENGTH)) #ifdef CONFIG_SMP - || cpu == 1 && (unsigned int)mem >= COREB_L1_CODE_START && - (unsigned int)(mem + count) <= - COREB_L1_CODE_START + L1_CODE_LENGTH + || (cpu == 1 && IN_MEM(mem, count, COREB_L1_CODE_START, L1_CODE_LENGTH)) #endif ) { /* access L1 instruction SRAM */ @@ -723,12 +685,9 @@ int kgdb_hex2mem(char *buf, char *mem, int count) default: return EFAULT; } - } else if (cpu == 0 && (unsigned int)mem >= L1_CODE_START && - (unsigned int)(mem + count) <= L1_CODE_START + L1_CODE_LENGTH + } else if ((cpu == 0 && IN_MEM(mem, count, L1_CODE_START, L1_CODE_LENGTH)) #ifdef CONFIG_SMP - || cpu == 1 && (unsigned int)mem >= COREB_L1_CODE_START && - (unsigned int)(mem + count) <= - COREB_L1_CODE_START + L1_CODE_LENGTH + || (cpu == 1 && IN_MEM(mem, count, COREB_L1_CODE_START, L1_CODE_LENGTH)) #endif ) { /* access L1 instruction SRAM */ @@ -745,24 +704,16 @@ int kgdb_validate_break_address(unsigned long addr) if (addr >= 0x1000 && (addr + BREAK_INSTR_SIZE) <= physical_mem_end) return 0; - if (addr >= ASYNC_BANK0_BASE - && addr + BREAK_INSTR_SIZE <= ASYNC_BANK3_BASE + ASYNC_BANK3_BASE) + if (IN_MEM(addr, BREAK_INSTR_SIZE, ASYNC_BANK0_BASE, ASYNC_BANK_SIZE)) return 0; -#if L1_CODE_LENGTH != 0 - if (cpu == 0 && addr >= L1_CODE_START - && addr + BREAK_INSTR_SIZE <= L1_CODE_START + L1_CODE_LENGTH) + if (cpu == 0 && IN_MEM(addr, BREAK_INSTR_SIZE, L1_CODE_START, L1_CODE_LENGTH)) return 0; -# ifdef CONFIG_SMP - else if (cpu == 1 && addr >= COREB_L1_CODE_START - && addr + BREAK_INSTR_SIZE <= COREB_L1_CODE_START + L1_CODE_LENGTH) +#ifdef CONFIG_SMP + else if (cpu == 1 && IN_MEM(addr, BREAK_INSTR_SIZE, COREB_L1_CODE_START, L1_CODE_LENGTH)) return 0; -# endif #endif -#if L2_LENGTH != 0 - if (addr >= L2_START - && addr + BREAK_INSTR_SIZE <= L2_START + L2_LENGTH) + if (IN_MEM(addr, BREAK_INSTR_SIZE, L2_START, L2_LENGTH)) return 0; -#endif return EFAULT; } @@ -772,13 +723,9 @@ int kgdb_arch_set_breakpoint(unsigned long addr, char *saved_instr) int err; int cpu = raw_smp_processor_id(); - if ((cpu == 0 && (unsigned int)addr >= L1_CODE_START - && (unsigned int)(addr + BREAK_INSTR_SIZE) - < L1_CODE_START + L1_CODE_LENGTH) + if ((cpu == 0 && IN_MEM(addr, BREAK_INSTR_SIZE, L1_CODE_START, L1_CODE_LENGTH)) #ifdef CONFIG_SMP - || (cpu == 1 && (unsigned int)addr >= COREB_L1_CODE_START - && (unsigned int)(addr + BREAK_INSTR_SIZE) - < COREB_L1_CODE_START + L1_CODE_LENGTH) + || (cpu == 1 && IN_MEM(addr, BREAK_INSTR_SIZE, COREB_L1_CODE_START, L1_CODE_LENGTH)) #endif ) { /* access L1 instruction SRAM */ @@ -804,9 +751,7 @@ int kgdb_arch_set_breakpoint(unsigned long addr, char *saved_instr) int kgdb_arch_remove_breakpoint(unsigned long addr, char *bundle) { - if ((unsigned int)addr >= L1_CODE_START && - (unsigned int)(addr + BREAK_INSTR_SIZE) < - L1_CODE_START + L1_CODE_LENGTH) { + if (IN_MEM(addr, BREAK_INSTR_SIZE, L1_CODE_START, L1_CODE_LENGTH)) { /* access L1 instruction SRAM */ if (dma_memcpy((void *)addr, bundle, BREAK_INSTR_SIZE) == NULL) return -EFAULT; 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