arm920t line length cleanup
The recent patch to fixbreakpoints and dcache handling added a bunch of overlong lines (80+ chars) ... shrink them, and do the same to a few lines which were already overlong. Also add a few FIXME comments to nudge (a) replacement of some magic numbers with opcode macros, which will be much better at showing what's actually going on, and (b) correct return codes. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
This commit is contained in:
David Brownell
parent
57d5673dea
commit
bb4cb7935e
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@ -276,7 +276,8 @@ static int arm920t_read_cp15_interpreted(struct target *target,
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jtag_execute_queue();
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#ifdef _DEBUG_INSTRUCTION_EXECUTION_
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LOG_DEBUG("cp15_opcode: %8.8x, address: %8.8x, value: %8.8x", cp15_opcode, address, *value);
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LOG_DEBUG("cp15_opcode: %8.8x, address: %8.8x, value: %8.8x",
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cp15_opcode, address, *value);
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#endif
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if (!is_arm_mode(armv4_5->core_mode))
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@ -317,7 +318,8 @@ int arm920t_write_cp15_interpreted(struct target *target,
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arm920t_write_cp15_physical(target, CP15PHYS_TESTSTATE, cp15c15);
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#ifdef _DEBUG_INSTRUCTION_EXECUTION_
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LOG_DEBUG("cp15_opcode: %8.8x, value: %8.8x, address: %8.8x", cp15_opcode, value, address);
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LOG_DEBUG("cp15_opcode: %8.8x, value: %8.8x, address: %8.8x",
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cp15_opcode, value, address);
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#endif
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if (!is_arm_mode(armv4_5->core_mode))
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@ -335,14 +337,17 @@ uint32_t arm920t_get_ttb(struct target *target)
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int retval;
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uint32_t ttb = 0x0;
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if ((retval = arm920t_read_cp15_interpreted(target, 0xeebf0f51, 0x0, &ttb)) != ERROR_OK)
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if ((retval = arm920t_read_cp15_interpreted(target,
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/* FIXME use opcode macro */
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0xeebf0f51, 0x0, &ttb)) != ERROR_OK)
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return retval;
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return ttb;
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}
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// EXPORTED to FA256
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void arm920t_disable_mmu_caches(struct target *target, int mmu, int d_u_cache, int i_cache)
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void arm920t_disable_mmu_caches(struct target *target, int mmu,
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int d_u_cache, int i_cache)
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{
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uint32_t cp15_control;
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@ -363,7 +368,8 @@ void arm920t_disable_mmu_caches(struct target *target, int mmu, int d_u_cache, i
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}
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// EXPORTED to FA256
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void arm920t_enable_mmu_caches(struct target *target, int mmu, int d_u_cache, int i_cache)
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void arm920t_enable_mmu_caches(struct target *target, int mmu,
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int d_u_cache, int i_cache)
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{
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uint32_t cp15_control;
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@ -393,7 +399,7 @@ void arm920t_post_debug_entry(struct target *target)
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arm920t_read_cp15_physical(target,
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CP15PHYS_CTRL, &arm920t->cp15_control_reg);
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jtag_execute_queue();
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LOG_DEBUG("cp15_control_reg: %8.8" PRIx32 "", arm920t->cp15_control_reg);
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LOG_DEBUG("cp15_control_reg: %8.8" PRIx32, arm920t->cp15_control_reg);
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if (arm920t->armv4_5_mmu.armv4_5_cache.ctype == -1)
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{
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@ -402,20 +408,26 @@ void arm920t_post_debug_entry(struct target *target)
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arm920t_read_cp15_physical(target,
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CP15PHYS_CACHETYPE, &cache_type_reg);
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jtag_execute_queue();
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armv4_5_identify_cache(cache_type_reg, &arm920t->armv4_5_mmu.armv4_5_cache);
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armv4_5_identify_cache(cache_type_reg,
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&arm920t->armv4_5_mmu.armv4_5_cache);
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}
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arm920t->armv4_5_mmu.mmu_enabled = (arm920t->cp15_control_reg & 0x1U) ? 1 : 0;
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arm920t->armv4_5_mmu.armv4_5_cache.d_u_cache_enabled = (arm920t->cp15_control_reg & 0x4U) ? 1 : 0;
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arm920t->armv4_5_mmu.armv4_5_cache.i_cache_enabled = (arm920t->cp15_control_reg & 0x1000U) ? 1 : 0;
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arm920t->armv4_5_mmu.mmu_enabled =
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(arm920t->cp15_control_reg & 0x1U) ? 1 : 0;
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arm920t->armv4_5_mmu.armv4_5_cache.d_u_cache_enabled =
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(arm920t->cp15_control_reg & 0x4U) ? 1 : 0;
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arm920t->armv4_5_mmu.armv4_5_cache.i_cache_enabled =
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(arm920t->cp15_control_reg & 0x1000U) ? 1 : 0;
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/* save i/d fault status and address register */
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/* FIXME use opcode macros */
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arm920t_read_cp15_interpreted(target, 0xee150f10, 0x0, &arm920t->d_fsr);
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arm920t_read_cp15_interpreted(target, 0xee150f30, 0x0, &arm920t->i_fsr);
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arm920t_read_cp15_interpreted(target, 0xee160f10, 0x0, &arm920t->d_far);
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arm920t_read_cp15_interpreted(target, 0xee160f30, 0x0, &arm920t->i_far);
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LOG_DEBUG("D FSR: 0x%8.8" PRIx32 ", D FAR: 0x%8.8" PRIx32 ", I FSR: 0x%8.8" PRIx32 ", I FAR: 0x%8.8" PRIx32 "",
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LOG_DEBUG("D FSR: 0x%8.8" PRIx32 ", D FAR: 0x%8.8" PRIx32
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", I FSR: 0x%8.8" PRIx32 ", I FAR: 0x%8.8" PRIx32,
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arm920t->d_fsr, arm920t->d_far, arm920t->i_fsr, arm920t->i_far);
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if (arm920t->preserve_cache)
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@ -490,9 +502,9 @@ int arm920t_arch_state(struct target *target)
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arm_arch_state(target);
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LOG_USER("MMU: %s, D-Cache: %s, I-Cache: %s",
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state[arm920t->armv4_5_mmu.mmu_enabled],
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state[arm920t->armv4_5_mmu.armv4_5_cache.d_u_cache_enabled],
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state[arm920t->armv4_5_mmu.armv4_5_cache.i_cache_enabled]);
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state[arm920t->armv4_5_mmu.mmu_enabled],
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state[arm920t->armv4_5_mmu.armv4_5_cache.d_u_cache_enabled],
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state[arm920t->armv4_5_mmu.armv4_5_cache.i_cache_enabled]);
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return ERROR_OK;
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}
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@ -517,7 +529,8 @@ static int arm920_virt2phys(struct target *target,
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uint32_t ap;
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struct arm920t_common *arm920t = target_to_arm920(target);
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uint32_t ret = armv4_5_mmu_translate_va(target, &arm920t->armv4_5_mmu, virt, &type, &cb, &domain, &ap);
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uint32_t ret = armv4_5_mmu_translate_va(target,
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&arm920t->armv4_5_mmu, virt, &type, &cb, &domain, &ap);
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if (type == -1)
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{
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return ret;
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@ -527,7 +540,8 @@ static int arm920_virt2phys(struct target *target,
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}
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/** Reads a buffer, in the specified word size, with current MMU settings. */
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int arm920t_read_memory(struct target *target, uint32_t address, uint32_t size, uint32_t count, uint8_t *buffer)
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int arm920t_read_memory(struct target *target, uint32_t address,
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uint32_t size, uint32_t count, uint8_t *buffer)
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{
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int retval;
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@ -569,11 +583,14 @@ int arm920t_write_memory(struct target *target, uint32_t address,
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/* FIX!!!! this should be cleaned up and made much more general. The
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* plan is to write up and test on arm920t specifically and
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* then generalize and clean up afterwards. */
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if (arm920t->armv4_5_mmu.mmu_enabled && (count == 1) && ((size==2) || (size==4)))
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if (arm920t->armv4_5_mmu.mmu_enabled && (count == 1) &&
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((size==2) || (size==4)))
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{
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/* special case the handling of single word writes to bypass MMU
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* to allow implementation of breakpoints in memory marked read only
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* by MMU */
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/* special case the handling of single word writes to
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* bypass MMU, to allow implementation of breakpoints
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* in memory marked read only
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* by MMU
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*/
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int type;
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uint32_t cb;
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int domain;
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@ -583,23 +600,25 @@ int arm920t_write_memory(struct target *target, uint32_t address,
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/*
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* We need physical address and cb
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*/
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pa = armv4_5_mmu_translate_va(target, &arm920t->armv4_5_mmu, address, &type, &cb, &domain, &ap);
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pa = armv4_5_mmu_translate_va(target, &arm920t->armv4_5_mmu,
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address, &type, &cb, &domain, &ap);
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if (type == -1)
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{
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return pa;
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}
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if (arm920t->armv4_5_mmu.armv4_5_cache.d_u_cache_enabled)
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{
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if (cb & 0x1)
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{
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LOG_DEBUG("D-Cache buffered, drain write buffer");
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LOG_DEBUG("D-Cache buffered, "
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"drain write buffer");
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/*
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* Buffered ?
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* Drain write buffer - MCR p15,0,Rd,c7,c10,4
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*/
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retval = arm920t_write_cp15_interpreted(target, ARMV4_5_MCR(15, 0, 0, 7, 10, 4), 0x0, 0);
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retval = arm920t_write_cp15_interpreted(target,
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ARMV4_5_MCR(15, 0, 0, 7, 10, 4),
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0x0, 0);
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if (retval != ERROR_OK)
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return retval;
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}
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@ -609,19 +628,25 @@ int arm920t_write_memory(struct target *target, uint32_t address,
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/*
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* Write back memory ? -> clean cache
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*
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* There is no way for cleaning a data cache line using
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* cp15 scan chain, so copy the full cache line from
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* cache to physical memory.
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* There is no way to clean cache lines using
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* cp15 scan chain, so copy the full cache
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* line from cache to physical memory.
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*/
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uint8_t data[32];
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LOG_DEBUG("D-Cache in 'write back' mode, flush cache line");
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LOG_DEBUG("D-Cache in 'write back' mode, "
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"flush cache line");
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retval = target_read_memory(target, address & cache_mask, 1, sizeof(data), &data[0]);
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retval = target_read_memory(target,
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address & cache_mask, 1,
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sizeof(data), &data[0]);
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if (retval != ERROR_OK)
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return retval;
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retval = armv4_5_mmu_write_physical(target, &arm920t->armv4_5_mmu, pa & cache_mask, 1, sizeof(data), &data[0]);
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retval = armv4_5_mmu_write_physical(target,
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&arm920t->armv4_5_mmu,
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pa & cache_mask, 1,
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sizeof(data), &data[0]);
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if (retval != ERROR_OK)
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return retval;
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}
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@ -634,45 +659,59 @@ int arm920t_write_memory(struct target *target, uint32_t address,
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*
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* MCR p15,0,Rd,c7,c6,1
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*/
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LOG_DEBUG("D-Cache enabled, invalidate cache line");
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LOG_DEBUG("D-Cache enabled, "
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"invalidate cache line");
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retval = arm920t_write_cp15_interpreted(target, ARMV4_5_MCR(15, 0, 0, 7, 6, 1), 0x0, address & cache_mask);
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retval = arm920t_write_cp15_interpreted(target,
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ARMV4_5_MCR(15, 0, 0, 7, 6, 1), 0x0,
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address & cache_mask);
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if (retval != ERROR_OK)
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return retval;
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}
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}
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/* write directly to physical memory bypassing any read only MMU bits, etc. */
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retval = armv4_5_mmu_write_physical(target, &arm920t->armv4_5_mmu, pa, size, count, buffer);
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/* write directly to physical memory,
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* bypassing any read only MMU bits, etc.
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*/
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retval = armv4_5_mmu_write_physical(target,
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&arm920t->armv4_5_mmu, pa, size,
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count, buffer);
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if (retval != ERROR_OK)
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return retval;
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} else
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{
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if ((retval = arm7_9_write_memory(target, address, size, count, buffer)) != ERROR_OK)
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if ((retval = arm7_9_write_memory(target, address,
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size, count, buffer)) != ERROR_OK)
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return retval;
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}
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/* If ICache is enabled, we have to invalidate affected ICache lines
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* the DCache is forced to write-through, so we don't have to clean it here
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* the DCache is forced to write-through,
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* so we don't have to clean it here
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*/
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if (arm920t->armv4_5_mmu.armv4_5_cache.i_cache_enabled)
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{
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if (count <= 1)
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{
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/* invalidate ICache single entry with MVA
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* ee070f35 mcr 15, 0, r0, cr7, cr5, {1}
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* mcr 15, 0, r0, cr7, cr5, {1}
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*/
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LOG_DEBUG("I-Cache enabled, invalidating affected I-Cache line");
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retval = arm920t_write_cp15_interpreted(target, ARMV4_5_MCR(15, 0, 0, 7, 5, 1), 0x0, address & cache_mask);
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LOG_DEBUG("I-Cache enabled, "
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"invalidating affected I-Cache line");
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retval = arm920t_write_cp15_interpreted(target,
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ARMV4_5_MCR(15, 0, 0, 7, 5, 1),
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0x0, address & cache_mask);
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if (retval != ERROR_OK)
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return retval;
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}
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else
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{
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/* invalidate ICache
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* 8: ee070f15 mcr 15, 0, r0, cr7, cr5, {0}
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* */
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retval = arm920t_write_cp15_interpreted(target, ARMV4_5_MCR(15, 0, 0, 7, 5, 0), 0x0, 0x0);
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* mcr 15, 0, r0, cr7, cr5, {0}
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*/
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retval = arm920t_write_cp15_interpreted(target,
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ARMV4_5_MCR(15, 0, 0, 7, 5, 0),
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0x0, 0x0);
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if (retval != ERROR_OK)
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return retval;
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}
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@ -699,7 +738,8 @@ int arm920t_soft_reset_halt(struct target *target)
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int timeout;
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while (!(timeout = ((timeval_ms()-then) > 1000)))
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{
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if (buf_get_u32(dbg_stat->value, EICE_DBG_STATUS_DBGACK, 1) == 0)
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if (buf_get_u32(dbg_stat->value, EICE_DBG_STATUS_DBGACK, 1)
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== 0)
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{
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embeddedice_read_reg(dbg_stat);
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if ((retval = jtag_execute_queue()) != ERROR_OK)
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@ -746,12 +786,7 @@ int arm920t_soft_reset_halt(struct target *target)
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arm920t->armv4_5_mmu.armv4_5_cache.d_u_cache_enabled = 0;
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arm920t->armv4_5_mmu.armv4_5_cache.i_cache_enabled = 0;
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if ((retval = target_call_event_callbacks(target, TARGET_EVENT_HALTED)) != ERROR_OK)
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{
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return retval;
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}
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return ERROR_OK;
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return target_call_event_callbacks(target, TARGET_EVENT_HALTED);
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}
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/* FIXME remove forward decls */
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@ -764,7 +799,8 @@ static int arm920t_mcr(struct target *target, int cpnum,
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uint32_t CRn, uint32_t CRm,
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uint32_t value);
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int arm920t_init_arch_info(struct target *target, struct arm920t_common *arm920t, struct jtag_tap *tap)
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int arm920t_init_arch_info(struct target *target,
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struct arm920t_common *arm920t, struct jtag_tap *tap)
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{
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struct arm7_9_common *arm7_9 = &arm920t->arm7_9_common;
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@ -802,8 +838,9 @@ int arm920t_init_arch_info(struct target *target, struct arm920t_common *arm920t
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static int arm920t_target_create(struct target *target, Jim_Interp *interp)
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{
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struct arm920t_common *arm920t = calloc(1,sizeof(struct arm920t_common));
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struct arm920t_common *arm920t;
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arm920t = calloc(1,sizeof(struct arm920t_common));
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return arm920t_init_arch_info(target, arm920t, target->tap);
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}
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@ -851,7 +888,8 @@ COMMAND_HANDLER(arm920t_handle_read_cache_command)
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return retval;
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}
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cp15_ctrl_saved = cp15_ctrl;
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cp15_ctrl &= ~(ARMV4_5_MMU_ENABLED | ARMV4_5_D_U_CACHE_ENABLED | ARMV4_5_I_CACHE_ENABLED);
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cp15_ctrl &= ~(ARMV4_5_MMU_ENABLED
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| ARMV4_5_D_U_CACHE_ENABLED | ARMV4_5_I_CACHE_ENABLED);
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arm920t_write_cp15_physical(target, CP15PHYS_CTRL, cp15_ctrl);
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/* read CP15 test state register */
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@ -862,7 +900,9 @@ COMMAND_HANDLER(arm920t_handle_read_cache_command)
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fprintf(output, "DCache:\n");
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/* go through segments 0 to nsets (8 on ARM920T, 4 on ARM922T) */
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for (segment = 0; segment < arm920t->armv4_5_mmu.armv4_5_cache.d_u_size.nsets; segment++)
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for (segment = 0;
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segment < arm920t->armv4_5_mmu.armv4_5_cache.d_u_size.nsets;
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segment++)
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{
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fprintf(output, "\nsegment: %i\n----------", segment);
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@ -876,7 +916,8 @@ COMMAND_HANDLER(arm920t_handle_read_cache_command)
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CP15PHYS_TESTSTATE, cp15c15);
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/* D CAM Read, loads current victim into C15.C.D.Ind */
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arm920t_execute_cp15(target, ARMV4_5_MCR(15,2,0,15,6,2), ARMV4_5_LDR(1, 0));
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arm920t_execute_cp15(target,
|
||||
ARMV4_5_MCR(15,2,0,15,6,2), ARMV4_5_LDR(1, 0));
|
||||
|
||||
/* read current victim */
|
||||
arm920t_read_cp15_physical(target,
|
||||
|
|
@ -889,7 +930,9 @@ COMMAND_HANDLER(arm920t_handle_read_cache_command)
|
|||
|
||||
for (index = 0; index < 64; index++)
|
||||
{
|
||||
/* Ra: r0 = index(31:26):SBZ(25:8):segment(7:5):SBZ(4:0) */
|
||||
/* Ra:
|
||||
* r0 = index(31:26):SBZ(25:8):segment(7:5):SBZ(4:0)
|
||||
*/
|
||||
regs[0] = 0x0 | (segment << 5) | (index << 26);
|
||||
arm9tdmi_write_core_regs(target, 0x1, regs);
|
||||
|
||||
|
|
@ -899,13 +942,18 @@ COMMAND_HANDLER(arm920t_handle_read_cache_command)
|
|||
CP15PHYS_TESTSTATE, cp15c15);
|
||||
|
||||
/* Write DCache victim */
|
||||
arm920t_execute_cp15(target, ARMV4_5_MCR(15,0,0,9,1,0), ARMV4_5_LDR(1, 0));
|
||||
arm920t_execute_cp15(target,
|
||||
ARMV4_5_MCR(15,0,0,9,1,0), ARMV4_5_LDR(1, 0));
|
||||
|
||||
/* Read D RAM */
|
||||
arm920t_execute_cp15(target, ARMV4_5_MCR(15,2,0,15,10,2), ARMV4_5_LDMIA(0, 0x1fe, 0, 0));
|
||||
arm920t_execute_cp15(target,
|
||||
ARMV4_5_MCR(15,2,0,15,10,2),
|
||||
ARMV4_5_LDMIA(0, 0x1fe, 0, 0));
|
||||
|
||||
/* Read D CAM */
|
||||
arm920t_execute_cp15(target, ARMV4_5_MCR(15,2,0,15,6,2), ARMV4_5_LDR(9, 0));
|
||||
arm920t_execute_cp15(target,
|
||||
ARMV4_5_MCR(15,2,0,15,6,2),
|
||||
ARMV4_5_LDR(9, 0));
|
||||
|
||||
/* clear interpret mode */
|
||||
cp15c15 &= ~0x1;
|
||||
|
|
@ -923,12 +971,16 @@ COMMAND_HANDLER(arm920t_handle_read_cache_command)
|
|||
|
||||
/* mask LFSR[6] */
|
||||
regs[9] &= 0xfffffffe;
|
||||
fprintf(output, "\nsegment: %i, index: %i, CAM: 0x%8.8" PRIx32 ", content (%s):\n", segment, index, regs[9], (regs[9] & 0x10) ? "valid" : "invalid");
|
||||
fprintf(output, "\nsegment: %i, index: %i, CAM: 0x%8.8"
|
||||
PRIx32 ", content (%s):\n",
|
||||
segment, index, regs[9],
|
||||
(regs[9] & 0x10) ? "valid" : "invalid");
|
||||
|
||||
for (i = 1; i < 9; i++)
|
||||
{
|
||||
d_cache[segment][index].data[i] = regs[i];
|
||||
fprintf(output, "%i: 0x%8.8" PRIx32 "\n", i-1, regs[i]);
|
||||
fprintf(output, "%i: 0x%8.8" PRIx32 "\n",
|
||||
i-1, regs[i]);
|
||||
}
|
||||
|
||||
}
|
||||
|
|
@ -943,7 +995,8 @@ COMMAND_HANDLER(arm920t_handle_read_cache_command)
|
|||
CP15PHYS_TESTSTATE, cp15c15);
|
||||
|
||||
/* Write DCache victim */
|
||||
arm920t_execute_cp15(target, ARMV4_5_MCR(15,0,0,9,1,0), ARMV4_5_LDR(1, 0));
|
||||
arm920t_execute_cp15(target,
|
||||
ARMV4_5_MCR(15,0,0,9,1,0), ARMV4_5_LDR(1, 0));
|
||||
|
||||
/* clear interpret mode */
|
||||
cp15c15 &= ~0x1;
|
||||
|
|
@ -955,7 +1008,9 @@ COMMAND_HANDLER(arm920t_handle_read_cache_command)
|
|||
fprintf(output, "ICache:\n");
|
||||
|
||||
/* go through segments 0 to nsets (8 on ARM920T, 4 on ARM922T) */
|
||||
for (segment = 0; segment < arm920t->armv4_5_mmu.armv4_5_cache.d_u_size.nsets; segment++)
|
||||
for (segment = 0;
|
||||
segment < arm920t->armv4_5_mmu.armv4_5_cache.d_u_size.nsets;
|
||||
segment++)
|
||||
{
|
||||
fprintf(output, "segment: %i\n----------", segment);
|
||||
|
||||
|
|
@ -969,7 +1024,8 @@ COMMAND_HANDLER(arm920t_handle_read_cache_command)
|
|||
CP15PHYS_TESTSTATE, cp15c15);
|
||||
|
||||
/* I CAM Read, loads current victim into C15.C.I.Ind */
|
||||
arm920t_execute_cp15(target, ARMV4_5_MCR(15,2,0,15,5,2), ARMV4_5_LDR(1, 0));
|
||||
arm920t_execute_cp15(target,
|
||||
ARMV4_5_MCR(15,2,0,15,5,2), ARMV4_5_LDR(1, 0));
|
||||
|
||||
/* read current victim */
|
||||
arm920t_read_cp15_physical(target, CP15PHYS_ICACHE_IDX,
|
||||
|
|
@ -982,7 +1038,9 @@ COMMAND_HANDLER(arm920t_handle_read_cache_command)
|
|||
|
||||
for (index = 0; index < 64; index++)
|
||||
{
|
||||
/* Ra: r0 = index(31:26):SBZ(25:8):segment(7:5):SBZ(4:0) */
|
||||
/* Ra:
|
||||
* r0 = index(31:26):SBZ(25:8):segment(7:5):SBZ(4:0)
|
||||
*/
|
||||
regs[0] = 0x0 | (segment << 5) | (index << 26);
|
||||
arm9tdmi_write_core_regs(target, 0x1, regs);
|
||||
|
||||
|
|
@ -992,13 +1050,18 @@ COMMAND_HANDLER(arm920t_handle_read_cache_command)
|
|||
CP15PHYS_TESTSTATE, cp15c15);
|
||||
|
||||
/* Write ICache victim */
|
||||
arm920t_execute_cp15(target, ARMV4_5_MCR(15,0,0,9,1,1), ARMV4_5_LDR(1, 0));
|
||||
arm920t_execute_cp15(target,
|
||||
ARMV4_5_MCR(15,0,0,9,1,1), ARMV4_5_LDR(1, 0));
|
||||
|
||||
/* Read I RAM */
|
||||
arm920t_execute_cp15(target, ARMV4_5_MCR(15,2,0,15,9,2), ARMV4_5_LDMIA(0, 0x1fe, 0, 0));
|
||||
arm920t_execute_cp15(target,
|
||||
ARMV4_5_MCR(15,2,0,15,9,2),
|
||||
ARMV4_5_LDMIA(0, 0x1fe, 0, 0));
|
||||
|
||||
/* Read I CAM */
|
||||
arm920t_execute_cp15(target, ARMV4_5_MCR(15,2,0,15,5,2), ARMV4_5_LDR(9, 0));
|
||||
arm920t_execute_cp15(target,
|
||||
ARMV4_5_MCR(15,2,0,15,5,2),
|
||||
ARMV4_5_LDR(9, 0));
|
||||
|
||||
/* clear interpret mode */
|
||||
cp15c15 &= ~0x1;
|
||||
|
|
@ -1016,12 +1079,16 @@ COMMAND_HANDLER(arm920t_handle_read_cache_command)
|
|||
|
||||
/* mask LFSR[6] */
|
||||
regs[9] &= 0xfffffffe;
|
||||
fprintf(output, "\nsegment: %i, index: %i, CAM: 0x%8.8" PRIx32 ", content (%s):\n", segment, index, regs[9], (regs[9] & 0x10) ? "valid" : "invalid");
|
||||
fprintf(output, "\nsegment: %i, index: %i, "
|
||||
"CAM: 0x%8.8" PRIx32 ", content (%s):\n",
|
||||
segment, index, regs[9],
|
||||
(regs[9] & 0x10) ? "valid" : "invalid");
|
||||
|
||||
for (i = 1; i < 9; i++)
|
||||
{
|
||||
i_cache[segment][index].data[i] = regs[i];
|
||||
fprintf(output, "%i: 0x%8.8" PRIx32 "\n", i-1, regs[i]);
|
||||
fprintf(output, "%i: 0x%8.8" PRIx32 "\n",
|
||||
i-1, regs[i]);
|
||||
}
|
||||
}
|
||||
|
||||
|
|
@ -1035,7 +1102,8 @@ COMMAND_HANDLER(arm920t_handle_read_cache_command)
|
|||
CP15PHYS_TESTSTATE, cp15c15);
|
||||
|
||||
/* Write ICache victim */
|
||||
arm920t_execute_cp15(target, ARMV4_5_MCR(15,0,0,9,1,1), ARMV4_5_LDR(1, 0));
|
||||
arm920t_execute_cp15(target,
|
||||
ARMV4_5_MCR(15,0,0,9,1,1), ARMV4_5_LDR(1, 0));
|
||||
|
||||
/* clear interpret mode */
|
||||
cp15c15 &= ~0x1;
|
||||
|
|
@ -1046,7 +1114,8 @@ COMMAND_HANDLER(arm920t_handle_read_cache_command)
|
|||
/* restore CP15 MMU and Cache settings */
|
||||
arm920t_write_cp15_physical(target, CP15PHYS_CTRL, cp15_ctrl_saved);
|
||||
|
||||
command_print(CMD_CTX, "cache content successfully output to %s", CMD_ARGV[0]);
|
||||
command_print(CMD_CTX, "cache content successfully output to %s",
|
||||
CMD_ARGV[0]);
|
||||
|
||||
fclose(output);
|
||||
|
||||
|
|
@ -1117,7 +1186,8 @@ COMMAND_HANDLER(arm920t_handle_read_mmu_command)
|
|||
return retval;
|
||||
}
|
||||
cp15_ctrl_saved = cp15_ctrl;
|
||||
cp15_ctrl &= ~(ARMV4_5_MMU_ENABLED | ARMV4_5_D_U_CACHE_ENABLED | ARMV4_5_I_CACHE_ENABLED);
|
||||
cp15_ctrl &= ~(ARMV4_5_MMU_ENABLED
|
||||
| ARMV4_5_D_U_CACHE_ENABLED | ARMV4_5_I_CACHE_ENABLED);
|
||||
arm920t_write_cp15_physical(target, CP15PHYS_CTRL, cp15_ctrl);
|
||||
|
||||
/* read CP15 test state register */
|
||||
|
|
@ -1135,7 +1205,8 @@ COMMAND_HANDLER(arm920t_handle_read_mmu_command)
|
|||
arm920t_write_cp15_physical(target, CP15PHYS_TESTSTATE, cp15c15);
|
||||
|
||||
/* Read D TLB lockdown */
|
||||
arm920t_execute_cp15(target, ARMV4_5_MRC(15,0,0,10,0,0), ARMV4_5_LDR(1, 0));
|
||||
arm920t_execute_cp15(target,
|
||||
ARMV4_5_MRC(15,0,0,10,0,0), ARMV4_5_LDR(1, 0));
|
||||
|
||||
/* clear interpret mode */
|
||||
cp15c15 &= ~0x1;
|
||||
|
|
@ -1152,7 +1223,8 @@ COMMAND_HANDLER(arm920t_handle_read_mmu_command)
|
|||
for (victim = 0; victim < 64; victim += 8)
|
||||
{
|
||||
/* new lockdown value: base[31:26]:victim[25:20]:SBZ[19:1]:p[0]
|
||||
* base remains unchanged, victim goes through entries 0 to 63 */
|
||||
* base remains unchanged, victim goes through entries 0 to 63
|
||||
*/
|
||||
regs[1] = (Dlockdown & 0xfc000000) | (victim << 20);
|
||||
arm9tdmi_write_core_regs(target, 0x2, regs);
|
||||
|
||||
|
|
@ -1162,10 +1234,14 @@ COMMAND_HANDLER(arm920t_handle_read_mmu_command)
|
|||
CP15PHYS_TESTSTATE, cp15c15);
|
||||
|
||||
/* Write D TLB lockdown */
|
||||
arm920t_execute_cp15(target, ARMV4_5_MCR(15,0,0,10,0,0), ARMV4_5_STR(1, 0));
|
||||
arm920t_execute_cp15(target,
|
||||
ARMV4_5_MCR(15,0,0,10,0,0),
|
||||
ARMV4_5_STR(1, 0));
|
||||
|
||||
/* Read D TLB CAM */
|
||||
arm920t_execute_cp15(target, ARMV4_5_MCR(15,4,0,15,6,4), ARMV4_5_LDMIA(0, 0x3fc, 0, 0));
|
||||
arm920t_execute_cp15(target,
|
||||
ARMV4_5_MCR(15,4,0,15,6,4),
|
||||
ARMV4_5_LDMIA(0, 0x3fc, 0, 0));
|
||||
|
||||
/* clear interpret mode */
|
||||
cp15c15 &= ~0x1;
|
||||
|
|
@ -1186,7 +1262,8 @@ COMMAND_HANDLER(arm920t_handle_read_mmu_command)
|
|||
for (victim = 0; victim < 64; victim++)
|
||||
{
|
||||
/* new lockdown value: base[31:26]:victim[25:20]:SBZ[19:1]:p[0]
|
||||
* base remains unchanged, victim goes through entries 0 to 63 */
|
||||
* base remains unchanged, victim goes through entries 0 to 63
|
||||
*/
|
||||
regs[1] = (Dlockdown & 0xfc000000) | (victim << 20);
|
||||
arm9tdmi_write_core_regs(target, 0x2, regs);
|
||||
|
||||
|
|
@ -1196,13 +1273,16 @@ COMMAND_HANDLER(arm920t_handle_read_mmu_command)
|
|||
CP15PHYS_TESTSTATE, cp15c15);
|
||||
|
||||
/* Write D TLB lockdown */
|
||||
arm920t_execute_cp15(target, ARMV4_5_MCR(15,0,0,10,0,0), ARMV4_5_STR(1, 0));
|
||||
arm920t_execute_cp15(target,
|
||||
ARMV4_5_MCR(15,0,0,10,0,0), ARMV4_5_STR(1, 0));
|
||||
|
||||
/* Read D TLB RAM1 */
|
||||
arm920t_execute_cp15(target, ARMV4_5_MCR(15,4,0,15,10,4), ARMV4_5_LDR(2,0));
|
||||
arm920t_execute_cp15(target,
|
||||
ARMV4_5_MCR(15,4,0,15,10,4), ARMV4_5_LDR(2,0));
|
||||
|
||||
/* Read D TLB RAM2 */
|
||||
arm920t_execute_cp15(target, ARMV4_5_MCR(15,4,0,15,2,5), ARMV4_5_LDR(3,0));
|
||||
arm920t_execute_cp15(target,
|
||||
ARMV4_5_MCR(15,4,0,15,2,5), ARMV4_5_LDR(3,0));
|
||||
|
||||
/* clear interpret mode */
|
||||
cp15c15 &= ~0x1;
|
||||
|
|
@ -1225,7 +1305,8 @@ COMMAND_HANDLER(arm920t_handle_read_mmu_command)
|
|||
arm9tdmi_write_core_regs(target, 0x2, regs);
|
||||
|
||||
/* Write D TLB lockdown */
|
||||
arm920t_execute_cp15(target, ARMV4_5_MCR(15,0,0,10,0,0), ARMV4_5_STR(1, 0));
|
||||
arm920t_execute_cp15(target,
|
||||
ARMV4_5_MCR(15,0,0,10,0,0), ARMV4_5_STR(1, 0));
|
||||
|
||||
/* prepare reading I TLB content
|
||||
* */
|
||||
|
|
@ -1235,7 +1316,8 @@ COMMAND_HANDLER(arm920t_handle_read_mmu_command)
|
|||
arm920t_write_cp15_physical(target, CP15PHYS_TESTSTATE, cp15c15);
|
||||
|
||||
/* Read I TLB lockdown */
|
||||
arm920t_execute_cp15(target, ARMV4_5_MRC(15,0,0,10,0,1), ARMV4_5_LDR(1, 0));
|
||||
arm920t_execute_cp15(target,
|
||||
ARMV4_5_MRC(15,0,0,10,0,1), ARMV4_5_LDR(1, 0));
|
||||
|
||||
/* clear interpret mode */
|
||||
cp15c15 &= ~0x1;
|
||||
|
|
@ -1252,7 +1334,8 @@ COMMAND_HANDLER(arm920t_handle_read_mmu_command)
|
|||
for (victim = 0; victim < 64; victim += 8)
|
||||
{
|
||||
/* new lockdown value: base[31:26]:victim[25:20]:SBZ[19:1]:p[0]
|
||||
* base remains unchanged, victim goes through entries 0 to 63 */
|
||||
* base remains unchanged, victim goes through entries 0 to 63
|
||||
*/
|
||||
regs[1] = (Ilockdown & 0xfc000000) | (victim << 20);
|
||||
arm9tdmi_write_core_regs(target, 0x2, regs);
|
||||
|
||||
|
|
@ -1262,10 +1345,14 @@ COMMAND_HANDLER(arm920t_handle_read_mmu_command)
|
|||
CP15PHYS_TESTSTATE, cp15c15);
|
||||
|
||||
/* Write I TLB lockdown */
|
||||
arm920t_execute_cp15(target, ARMV4_5_MCR(15,0,0,10,0,1), ARMV4_5_STR(1, 0));
|
||||
arm920t_execute_cp15(target,
|
||||
ARMV4_5_MCR(15,0,0,10,0,1),
|
||||
ARMV4_5_STR(1, 0));
|
||||
|
||||
/* Read I TLB CAM */
|
||||
arm920t_execute_cp15(target, ARMV4_5_MCR(15,4,0,15,5,4), ARMV4_5_LDMIA(0, 0x3fc, 0, 0));
|
||||
arm920t_execute_cp15(target,
|
||||
ARMV4_5_MCR(15,4,0,15,5,4),
|
||||
ARMV4_5_LDMIA(0, 0x3fc, 0, 0));
|
||||
|
||||
/* clear interpret mode */
|
||||
cp15c15 &= ~0x1;
|
||||
|
|
@ -1286,7 +1373,8 @@ COMMAND_HANDLER(arm920t_handle_read_mmu_command)
|
|||
for (victim = 0; victim < 64; victim++)
|
||||
{
|
||||
/* new lockdown value: base[31:26]:victim[25:20]:SBZ[19:1]:p[0]
|
||||
* base remains unchanged, victim goes through entries 0 to 63 */
|
||||
* base remains unchanged, victim goes through entries 0 to 63
|
||||
*/
|
||||
regs[1] = (Dlockdown & 0xfc000000) | (victim << 20);
|
||||
arm9tdmi_write_core_regs(target, 0x2, regs);
|
||||
|
||||
|
|
@ -1296,13 +1384,16 @@ COMMAND_HANDLER(arm920t_handle_read_mmu_command)
|
|||
CP15PHYS_TESTSTATE, cp15c15);
|
||||
|
||||
/* Write I TLB lockdown */
|
||||
arm920t_execute_cp15(target, ARMV4_5_MCR(15,0,0,10,0,1), ARMV4_5_STR(1, 0));
|
||||
arm920t_execute_cp15(target,
|
||||
ARMV4_5_MCR(15,0,0,10,0,1), ARMV4_5_STR(1, 0));
|
||||
|
||||
/* Read I TLB RAM1 */
|
||||
arm920t_execute_cp15(target, ARMV4_5_MCR(15,4,0,15,9,4), ARMV4_5_LDR(2,0));
|
||||
arm920t_execute_cp15(target,
|
||||
ARMV4_5_MCR(15,4,0,15,9,4), ARMV4_5_LDR(2,0));
|
||||
|
||||
/* Read I TLB RAM2 */
|
||||
arm920t_execute_cp15(target, ARMV4_5_MCR(15,4,0,15,1,5), ARMV4_5_LDR(3,0));
|
||||
arm920t_execute_cp15(target,
|
||||
ARMV4_5_MCR(15,4,0,15,1,5), ARMV4_5_LDR(3,0));
|
||||
|
||||
/* clear interpret mode */
|
||||
cp15c15 &= ~0x1;
|
||||
|
|
@ -1325,7 +1416,8 @@ COMMAND_HANDLER(arm920t_handle_read_mmu_command)
|
|||
arm9tdmi_write_core_regs(target, 0x2, regs);
|
||||
|
||||
/* Write I TLB lockdown */
|
||||
arm920t_execute_cp15(target, ARMV4_5_MCR(15,0,0,10,0,1), ARMV4_5_STR(1, 0));
|
||||
arm920t_execute_cp15(target,
|
||||
ARMV4_5_MCR(15,0,0,10,0,1), ARMV4_5_STR(1, 0));
|
||||
|
||||
/* restore CP15 MMU and Cache settings */
|
||||
arm920t_write_cp15_physical(target, CP15PHYS_CTRL, cp15_ctrl_saved);
|
||||
|
|
@ -1334,16 +1426,23 @@ COMMAND_HANDLER(arm920t_handle_read_mmu_command)
|
|||
fprintf(output, "D TLB content:\n");
|
||||
for (i = 0; i < 64; i++)
|
||||
{
|
||||
fprintf(output, "%i: 0x%8.8" PRIx32 " 0x%8.8" PRIx32 " 0x%8.8" PRIx32 " %s\n", i, d_tlb[i].cam, d_tlb[i].ram1, d_tlb[i].ram2, (d_tlb[i].cam & 0x20) ? "(valid)" : "(invalid)");
|
||||
fprintf(output, "%i: 0x%8.8" PRIx32 " 0x%8.8" PRIx32
|
||||
" 0x%8.8" PRIx32 " %s\n",
|
||||
i, d_tlb[i].cam, d_tlb[i].ram1, d_tlb[i].ram2,
|
||||
(d_tlb[i].cam & 0x20) ? "(valid)" : "(invalid)");
|
||||
}
|
||||
|
||||
fprintf(output, "\n\nI TLB content:\n");
|
||||
for (i = 0; i < 64; i++)
|
||||
{
|
||||
fprintf(output, "%i: 0x%8.8" PRIx32 " 0x%8.8" PRIx32 " 0x%8.8" PRIx32 " %s\n", i, i_tlb[i].cam, i_tlb[i].ram1, i_tlb[i].ram2, (i_tlb[i].cam & 0x20) ? "(valid)" : "(invalid)");
|
||||
fprintf(output, "%i: 0x%8.8" PRIx32 " 0x%8.8" PRIx32
|
||||
" 0x%8.8" PRIx32 " %s\n",
|
||||
i, i_tlb[i].cam, i_tlb[i].ram1, i_tlb[i].ram2,
|
||||
(i_tlb[i].cam & 0x20) ? "(valid)" : "(invalid)");
|
||||
}
|
||||
|
||||
command_print(CMD_CTX, "mmu content successfully output to %s", CMD_ARGV[0]);
|
||||
command_print(CMD_CTX, "mmu content successfully output to %s",
|
||||
CMD_ARGV[0]);
|
||||
|
||||
fclose(output);
|
||||
|
||||
|
|
@ -1382,11 +1481,14 @@ COMMAND_HANDLER(arm920t_handle_cp15_command)
|
|||
|
||||
if (target->state != TARGET_HALTED)
|
||||
{
|
||||
command_print(CMD_CTX, "target must be stopped for \"%s\" command", CMD_NAME);
|
||||
command_print(CMD_CTX, "target must be stopped for "
|
||||
"\"%s\" command", CMD_NAME);
|
||||
return ERROR_OK;
|
||||
}
|
||||
|
||||
/* one or more argument, access a single register (write if second argument is given */
|
||||
/* one argument, read a register.
|
||||
* two arguments, write it.
|
||||
*/
|
||||
if (CMD_ARGC >= 1)
|
||||
{
|
||||
int address;
|
||||
|
|
@ -1395,9 +1497,11 @@ COMMAND_HANDLER(arm920t_handle_cp15_command)
|
|||
if (CMD_ARGC == 1)
|
||||
{
|
||||
uint32_t value;
|
||||
if ((retval = arm920t_read_cp15_physical(target, address, &value)) != ERROR_OK)
|
||||
if ((retval = arm920t_read_cp15_physical(target,
|
||||
address, &value)) != ERROR_OK)
|
||||
{
|
||||
command_print(CMD_CTX, "couldn't access reg %i", address);
|
||||
command_print(CMD_CTX,
|
||||
"couldn't access reg %i", address);
|
||||
return ERROR_OK;
|
||||
}
|
||||
if ((retval = jtag_execute_queue()) != ERROR_OK)
|
||||
|
|
@ -1405,18 +1509,24 @@ COMMAND_HANDLER(arm920t_handle_cp15_command)
|
|||
return retval;
|
||||
}
|
||||
|
||||
command_print(CMD_CTX, "%i: %8.8" PRIx32 "", address, value);
|
||||
command_print(CMD_CTX, "%i: %8.8" PRIx32,
|
||||
address, value);
|
||||
}
|
||||
else if (CMD_ARGC == 2)
|
||||
{
|
||||
uint32_t value;
|
||||
COMMAND_PARSE_NUMBER(u32, CMD_ARGV[1], value);
|
||||
if ((retval = arm920t_write_cp15_physical(target, address, value)) != ERROR_OK)
|
||||
retval = arm920t_write_cp15_physical(target,
|
||||
address, value);
|
||||
if (retval != ERROR_OK)
|
||||
{
|
||||
command_print(CMD_CTX, "couldn't access reg %i", address);
|
||||
command_print(CMD_CTX,
|
||||
"couldn't access reg %i", address);
|
||||
/* REVISIT why lie? "return retval"? */
|
||||
return ERROR_OK;
|
||||
}
|
||||
command_print(CMD_CTX, "%i: %8.8" PRIx32 "", address, value);
|
||||
command_print(CMD_CTX, "%i: %8.8" PRIx32,
|
||||
address, value);
|
||||
}
|
||||
}
|
||||
|
||||
|
|
@ -1436,11 +1546,14 @@ COMMAND_HANDLER(arm920t_handle_cp15i_command)
|
|||
|
||||
if (target->state != TARGET_HALTED)
|
||||
{
|
||||
command_print(CMD_CTX, "target must be stopped for \"%s\" command", CMD_NAME);
|
||||
command_print(CMD_CTX, "target must be stopped for "
|
||||
"\"%s\" command", CMD_NAME);
|
||||
return ERROR_OK;
|
||||
}
|
||||
|
||||
/* one or more argument, access a single register (write if second argument is given */
|
||||
/* one argument, read a register.
|
||||
* two arguments, write it.
|
||||
*/
|
||||
if (CMD_ARGC >= 1)
|
||||
{
|
||||
uint32_t opcode;
|
||||
|
|
@ -1449,24 +1562,36 @@ COMMAND_HANDLER(arm920t_handle_cp15i_command)
|
|||
if (CMD_ARGC == 1)
|
||||
{
|
||||
uint32_t value;
|
||||
if ((retval = arm920t_read_cp15_interpreted(target, opcode, 0x0, &value)) != ERROR_OK)
|
||||
retval = arm920t_read_cp15_interpreted(target,
|
||||
opcode, 0x0, &value);
|
||||
if (retval != ERROR_OK)
|
||||
{
|
||||
command_print(CMD_CTX, "couldn't execute %8.8" PRIx32 "", opcode);
|
||||
command_print(CMD_CTX,
|
||||
"couldn't execute %8.8" PRIx32,
|
||||
opcode);
|
||||
/* REVISIT why lie? "return retval"? */
|
||||
return ERROR_OK;
|
||||
}
|
||||
|
||||
command_print(CMD_CTX, "%8.8" PRIx32 ": %8.8" PRIx32 "", opcode, value);
|
||||
command_print(CMD_CTX, "%8.8" PRIx32 ": %8.8" PRIx32,
|
||||
opcode, value);
|
||||
}
|
||||
else if (CMD_ARGC == 2)
|
||||
{
|
||||
uint32_t value;
|
||||
COMMAND_PARSE_NUMBER(u32, CMD_ARGV[1], value);
|
||||
if ((retval = arm920t_write_cp15_interpreted(target, opcode, value, 0)) != ERROR_OK)
|
||||
retval = arm920t_write_cp15_interpreted(target,
|
||||
opcode, value, 0);
|
||||
if (retval != ERROR_OK)
|
||||
{
|
||||
command_print(CMD_CTX, "couldn't execute %8.8" PRIx32 "", opcode);
|
||||
command_print(CMD_CTX,
|
||||
"couldn't execute %8.8" PRIx32,
|
||||
opcode);
|
||||
/* REVISIT why lie? "return retval"? */
|
||||
return ERROR_OK;
|
||||
}
|
||||
command_print(CMD_CTX, "%8.8" PRIx32 ": %8.8" PRIx32 "", opcode, value);
|
||||
command_print(CMD_CTX, "%8.8" PRIx32 ": %8.8" PRIx32,
|
||||
opcode, value);
|
||||
}
|
||||
else if (CMD_ARGC == 3)
|
||||
{
|
||||
|
|
@ -1474,17 +1599,23 @@ COMMAND_HANDLER(arm920t_handle_cp15i_command)
|
|||
COMMAND_PARSE_NUMBER(u32, CMD_ARGV[1], value);
|
||||
uint32_t address;
|
||||
COMMAND_PARSE_NUMBER(u32, CMD_ARGV[2], address);
|
||||
if ((retval = arm920t_write_cp15_interpreted(target, opcode, value, address)) != ERROR_OK)
|
||||
retval = arm920t_write_cp15_interpreted(target,
|
||||
opcode, value, address);
|
||||
if (retval != ERROR_OK)
|
||||
{
|
||||
command_print(CMD_CTX, "couldn't execute %8.8" PRIx32 "", opcode);
|
||||
command_print(CMD_CTX,
|
||||
"couldn't execute %8.8" PRIx32, opcode);
|
||||
/* REVISIT why lie? "return retval"? */
|
||||
return ERROR_OK;
|
||||
}
|
||||
command_print(CMD_CTX, "%8.8" PRIx32 ": %8.8" PRIx32 " %8.8" PRIx32 "", opcode, value, address);
|
||||
command_print(CMD_CTX, "%8.8" PRIx32 ": %8.8" PRIx32
|
||||
" %8.8" PRIx32, opcode, value, address);
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
command_print(CMD_CTX, "usage: arm920t cp15i <opcode> [value] [address]");
|
||||
command_print(CMD_CTX,
|
||||
"usage: arm920t cp15i <opcode> [value] [address]");
|
||||
}
|
||||
|
||||
return ERROR_OK;
|
||||
|
|
@ -1500,7 +1631,8 @@ COMMAND_HANDLER(arm920t_handle_cache_info_command)
|
|||
if (retval != ERROR_OK)
|
||||
return retval;
|
||||
|
||||
return armv4_5_handle_cache_info_command(CMD_CTX, &arm920t->armv4_5_mmu.armv4_5_cache);
|
||||
return armv4_5_handle_cache_info_command(CMD_CTX,
|
||||
&arm920t->armv4_5_mmu.armv4_5_cache);
|
||||
}
|
||||
|
||||
|
||||
|
|
|
|||
Loading…
Reference in New Issue