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target-arm: Convert debug registers to cp_reginfo

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Convert the cp14 debug registers (DBGDIDR, DBGDRAR, DBGDSAR) to the
cp_reginfo scheme.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Peter Maydell 2012-06-20 11:57:09 +00:00
parent 2ceb98c007
commit e9aa6c2148
2 changed files with 25 additions and 28 deletions
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28
target-arm/translate.c
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@ -6364,34 +6364,6 @@ static int disas_cp14_read(CPUARMState * env, DisasContext *s, uint32_t insn)
int rt = (insn >> 12) & 0xf;
TCGv tmp;
/* Minimal set of debug registers, since we don't support debug */
if (op1 == 0 && crn == 0 && op2 == 0) {
switch (crm) {
case 0:
/* DBGDIDR: just RAZ. In particular this means the
* "debug architecture version" bits will read as
* a reserved value, which should cause Linux to
* not try to use the debug hardware.
*/
tmp = tcg_const_i32(0);
store_reg(s, rt, tmp);
return 0;
case 1:
case 2:
/* DBGDRAR and DBGDSAR: v7 only. Always RAZ since we
* don't implement memory mapped debug components
*/
if (ENABLE_ARCH_7) {
tmp = tcg_const_i32(0);
store_reg(s, rt, tmp);
return 0;
}
break;
default:
break;
}
}
if (arm_feature(env, ARM_FEATURE_THUMB2EE)) {
if (op1 == 6 && crn == 0 && crm == 0 && op2 == 0) {
/* TEECR */