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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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12
src/target/armv7a.c
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@@ -47,15 +47,6 @@ char* armv7a_core_reg_list[] =
"r13_mon", "lr_mon", "spsr_mon"
};
char * armv7a_mode_strings_list[] =
{
"Illegal mode value", "User", "FIQ", "IRQ",
"Supervisor", "Abort", "Undefined", "System", "Monitor"
};
/* Hack! Yuk! allow -1 index, which simplifies codepaths elsewhere in the code */
char** armv7a_mode_strings = armv7a_mode_strings_list+1;
char* armv7a_state_strings[] =
{
"ARM", "Thumb", "Jazelle", "ThumbEE"
@@ -183,8 +174,7 @@ int armv7a_arch_state(struct target *target)
armv7a_state_strings[armv7a->core_state],
Jim_Nvp_value2name_simple(nvp_target_debug_reason,
target->debug_reason)->name,
armv7a_mode_strings[
armv7a_mode_to_number(armv4_5->core_mode)],
arm_mode_name(armv4_5->core_mode),
armv7a_core_reg_list[armv7a_core_reg_map[
armv7a_mode_to_number(armv4_5->core_mode)][16]],
buf_get_u32(ARMV7A_CORE_REG_MODE(armv4_5->core_cache,