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ARM: only use one set of dummy FPA registers

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All ARM cores need to provide obsolete FPA registers in their
GDB register dumps.  (Even though cores with floating point
support now generally use some version of VFP...)

Clean up that support a bit by sharing the same dummy registers,
and removing the duplicate copies.  Eventually we shouldn't need
to export those dummies.

(This makes the ARMv7-M support include the armv4_5 header, and
cleans up related #includes, but doesn't yet use anything from
there except those dummies.)

Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
This commit is contained in:
David Brownell
2009-11-17 23:50:17 -08:00
parent 0091e59d2a
commit d6c8945662
9 changed files with 39 additions and 107 deletions
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15
src/target/armv7a.c
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@@ -144,21 +144,6 @@ int armv7a_core_reg_map[8][17] =
}
};
/* FIXME this dummy is IDENTICAL to the armv4_5, arm11, and armv7m
* ones... except for naming/scoping
*/
uint8_t armv7a_gdb_dummy_fp_value[] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
struct reg armv7a_gdb_dummy_fp_reg =
{
.name = "GDB dummy floating-point register",
.value = armv7a_gdb_dummy_fp_value,
.dirty = 0,
.valid = 1,
.size = 96,
.arch_info = NULL,
};
void armv7a_show_fault_registers(struct target *target)
{
uint32_t dfsr, ifsr, dfar, ifar;