diff options
| author | David Brownell <dbrownell@users.sourceforge.net> | 2009-11-22 03:41:14 -0800 |
|---|---|---|
| committer | David Brownell <dbrownell@users.sourceforge.net> | 2009-11-22 03:41:14 -0800 |
| commit | dd9894f481d127266c201d7075ecbdd34b034124 (patch) | |
| tree | f96d110f7d54368b9435fc9d96018a21c51bfcf0 /src/target/cortex_a8.c | |
| parent | ff810723e051ed1f86cffcb565ade6b4d1fc50c8 (diff) | |
| download | openocd+libswd-dd9894f481d127266c201d7075ecbdd34b034124.tar.gz openocd+libswd-dd9894f481d127266c201d7075ecbdd34b034124.tar.bz2 openocd+libswd-dd9894f481d127266c201d7075ecbdd34b034124.tar.xz openocd+libswd-dd9894f481d127266c201d7075ecbdd34b034124.zip | |
ARM: arm_set_cpsr() handles T and J bits
Have arm_set_cpsr() handle the two core state flags, updating
the CPU state. This eliminates code in various debug_entry()
paths, and marginally improves handling of the J bit.
Catch and comment a few holes in the handling of the J bit on
ARM926ejs cores ... it's unlikely our users will care about
Jazelle mode, but we can at least warn of Impending Doom. If
anyone does use it, these breadcrumbs may help them to find
the right path through the code.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Diffstat (limited to 'src/target/cortex_a8.c')
| -rw-r--r-- | src/target/cortex_a8.c | 23 |
1 files changed, 0 insertions, 23 deletions
diff --git a/src/target/cortex_a8.c b/src/target/cortex_a8.c index 71de3b79..fa26b6ab 100644 --- a/src/target/cortex_a8.c +++ b/src/target/cortex_a8.c @@ -650,29 +650,6 @@ static int cortex_a8_debug_entry(struct target *target) arm_set_cpsr(armv4_5, cpsr); - i = (cpsr >> 5) & 1; /* T */ - i |= (cpsr >> 23) & 1; /* J << 1 */ - switch (i) { - case 0: /* J = 0, T = 0 */ - armv4_5->core_state = ARMV4_5_STATE_ARM; - break; - case 1: /* J = 0, T = 1 */ - armv4_5->core_state = ARMV4_5_STATE_THUMB; - break; - case 2: /* J = 1, T = 0 */ - LOG_WARNING("Jazelle state -- not handled"); - armv4_5->core_state = ARMV4_5_STATE_JAZELLE; - break; - case 3: /* J = 1, T = 1 */ - /* ThumbEE is very much like Thumb, but some of the - * instructions are different. Single stepping and - * breakpoints need updating... - */ - LOG_WARNING("ThumbEE -- incomplete support"); - armv4_5->core_state = ARM_STATE_THUMB_EE; - break; - } - /* update cache */ for (i = 0; i <= ARM_PC; i++) { |