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ARM: add arm_mode_name()

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Add and use arm_mode_name() to map from PSR bits to user
meaningful names.   It uses a new table which, later, can
be used to hold other mode-coupled data.

Add definitions for the "Secure Monitor" mode, as seen on
some ARM11 cores (like ARM1176) and on Cortex-A8.  The
previous mode name scheme didn't understand that mode.

Remove the old mechanism ... there were two copies, caused
by Cortex-A8 needing to add "Secure Monitor" mode support.

Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
This commit is contained in:
David Brownell
2009-11-17 23:50:23 -08:00
parent d6c8945662
commit ec93209f51
9 changed files with 75 additions and 30 deletions
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5
src/target/xscale.c
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@@ -857,7 +857,7 @@ static int xscale_arch_state(struct target *target)
"%s",
armv4_5_state_strings[armv4_5->core_state],
Jim_Nvp_value2name_simple(nvp_target_debug_reason, target->debug_reason)->name ,
armv4_5_mode_strings[armv4_5_mode_to_number(armv4_5->core_mode)],
arm_mode_name(armv4_5->core_mode),
buf_get_u32(armv4_5->core_cache->reg_list[ARMV4_5_CPSR].value, 0, 32),
buf_get_u32(armv4_5->core_cache->reg_list[15].value, 0, 32),
state[xscale->armv4_5_mmu.mmu_enabled],
@@ -960,7 +960,8 @@ static int xscale_debug_entry(struct target *target)
LOG_ERROR("cpsr contains invalid mode value - communication failure");
return ERROR_TARGET_FAILURE;
}
LOG_DEBUG("target entered debug state in %s mode", armv4_5_mode_strings[armv4_5_mode_to_number(armv4_5->core_mode)]);
LOG_DEBUG("target entered debug state in %s mode",
arm_mode_name(armv4_5->core_mode));
if (buffer[9] & 0x20)
armv4_5->core_state = ARMV4_5_STATE_THUMB;