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stm32: Update register read/write to the register definition. 

This patch fix the register index on read/write register.

Change-Id: I7b52a927a48259d6f497ac0f474aff7ff1529e9a
Signed-off-by: Mathias K <kesmtp@freenet.de>
Reviewed-on: http://openocd.zylin.com/525
Tested-by: jenkins
Reviewed-by: Spencer Oliver <spen@spen-soft.co.uk>
This commit is contained in:
Mathias K 2012-03-15 15:25:27 +01:00 committed by Spencer Oliver
parent 861df4574d
commit 90ea965fca
1 changed files with 42 additions and 6 deletions
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48
src/target/stm32_stlink.c
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@ -71,10 +71,14 @@ static int stm32_stlink_load_core_reg_u32(struct target *target,
LOG_DEBUG("load from core reg %i value 0x%" PRIx32 "", (int)num, *value);
break;
case 33:
case 64 ... 96:
case ARMV7M_FPSID:
case ARMV7M_FPEXC:
*value = 0;
break;
case ARMV7M_FPSCR:
/* Floating-point Status and Registers */
retval = target_write_u32(target, ARMV7M_SCS_DCRSR, num);
retval = target_write_u32(target, ARMV7M_SCS_DCRSR, 33);
if (retval != ERROR_OK)
return retval;
retval = target_read_u32(target, ARMV7M_SCS_DCRDR, value);
@ -83,6 +87,21 @@ static int stm32_stlink_load_core_reg_u32(struct target *target,
LOG_DEBUG("load from core reg %i value 0x%" PRIx32 "", (int)num, *value);
break;
case ARMV7M_S0 ... ARMV7M_S31:
/* Floating-point Status and Registers */
retval = target_write_u32(target, ARMV7M_SCS_DCRSR, num-ARMV7M_S0+64);
if (retval != ERROR_OK)
return retval;
retval = target_read_u32(target, ARMV7M_SCS_DCRDR, value);
if (retval != ERROR_OK)
return retval;
LOG_DEBUG("load from core reg %i value 0x%" PRIx32 "", (int)num, *value);
break;
case ARMV7M_D0 ... ARMV7M_D15:
value = 0;
break;
case ARMV7M_PRIMASK:
case ARMV7M_BASEPRI:
case ARMV7M_FAULTMASK:
@ -164,18 +183,35 @@ static int stm32_stlink_store_core_reg_u32(struct target *target,
LOG_DEBUG("write core reg %i value 0x%" PRIx32 "", (int)num, value);
break;
case 33:
case 64 ... 96:
case ARMV7M_FPSID:
case ARMV7M_FPEXC:
break;
case ARMV7M_FPSCR:
/* Floating-point Status and Registers */
retval = target_write_u32(target, ARMV7M_SCS_DCRDR, value);
if (retval != ERROR_OK)
return retval;
retval = target_write_u32(target, ARMV7M_SCS_DCRSR, num | (1<<16));
retval = target_write_u32(target, ARMV7M_SCS_DCRSR, 33 | (1<<16));
if (retval != ERROR_OK)
return retval;
LOG_DEBUG("write core reg %i value 0x%" PRIx32 "", (int)num, value);
break;
case ARMV7M_S0 ... ARMV7M_S31:
/* Floating-point Status and Registers */
retval = target_write_u32(target, ARMV7M_SCS_DCRDR, value);
if (retval != ERROR_OK)
return retval;
retval = target_write_u32(target, ARMV7M_SCS_DCRSR, (num-ARMV7M_S0+64) | (1<<16));
if (retval != ERROR_OK)
return retval;
LOG_DEBUG("write core reg %i value 0x%" PRIx32 "", (int)num, value);
break;
case ARMV7M_D0 ... ARMV7M_D15:
break;
case ARMV7M_PRIMASK:
case ARMV7M_BASEPRI:
case ARMV7M_FAULTMASK: