diff options
| -rw-r--r-- | src/target/target.c | 30 | ||||
| -rw-r--r-- | src/target/target.h | 8 |
2 files changed, 29 insertions, 9 deletions
diff --git a/src/target/target.c b/src/target/target.c index 99b3d183..9289d37b 100644 --- a/src/target/target.c +++ b/src/target/target.c @@ -1045,13 +1045,29 @@ int target_alloc_working_area(struct target_s *target, uint32_t size, working_ar { return retval; } + if (enabled) { - target->working_area = target->working_area_virt; - } - else + if (target->working_area_phys_spec) + { + LOG_DEBUG("MMU disabled, using physical address for working memory 0x%08x", (unsigned)target->working_area_phys); + target->working_area = target->working_area_phys; + } else + { + LOG_ERROR("No working memory available. Specify -work-area-phys to target."); + return ERROR_TARGET_RESOURCE_NOT_AVAILABLE; + } + } else { - target->working_area = target->working_area_phys; + if (target->working_area_virt_spec) + { + LOG_DEBUG("MMU enabled, using virtual address for working memory 0x%08x", (unsigned)target->working_area_virt); + target->working_area = target->working_area_virt; + } else + { + LOG_ERROR("No working memory available. Specify -work-area-virt to target."); + return ERROR_TARGET_RESOURCE_NOT_AVAILABLE; + } } } @@ -1080,8 +1096,6 @@ int target_alloc_working_area(struct target_s *target, uint32_t size, working_ar uint32_t first_free = target->working_area; uint32_t free_size = target->working_area_size; - LOG_DEBUG("allocating new working area"); - c = target->working_areas; while (c) { @@ -1098,6 +1112,8 @@ int target_alloc_working_area(struct target_s *target, uint32_t size, working_ar return ERROR_TARGET_RESOURCE_NOT_AVAILABLE; } + LOG_DEBUG("allocated new working area at address 0x%08x", (unsigned)first_free); + new_wa = malloc(sizeof(working_area_t)); new_wa->next = NULL; new_wa->size = size; @@ -3763,6 +3779,7 @@ static int target_configure(Jim_GetOptInfo *goi, target_t *target) return e; } target->working_area_virt = w; + target->working_area_virt_spec = true; } else { if (goi->argc != 0) { goto no_params; @@ -3780,6 +3797,7 @@ static int target_configure(Jim_GetOptInfo *goi, target_t *target) return e; } target->working_area_phys = w; + target->working_area_phys_spec = true; } else { if (goi->argc != 0) { goto no_params; diff --git a/src/target/target.h b/src/target/target.h index ef578378..c971f18b 100644 --- a/src/target/target.h +++ b/src/target/target.h @@ -128,9 +128,11 @@ typedef struct target_s int reset_halt; /* attempt resetting the CPU into the halted mode? */ uint32_t working_area; /* working area (initialized RAM). Evaluated * upon first allocation from virtual/physical address. */ - uint32_t working_area_virt; /* virtual address */ - uint32_t working_area_phys; /* physical address */ - uint32_t working_area_size; /* size in bytes */ + bool working_area_virt_spec; /* virtual address specified? */ + uint32_t working_area_virt; /* virtual address */ + bool working_area_phys_spec; /* virtual address specified? */ + uint32_t working_area_phys; /* physical address */ + uint32_t working_area_size; /* size in bytes */ uint32_t backup_working_area; /* whether the content of the working area has to be preserved */ struct working_area_s *working_areas;/* list of allocated working areas */ enum target_debug_reason debug_reason;/* reason why the target entered debug state */ |