sdcc-3.9.0 fork implementing GNU assembler syntax

This fork aims to provide better support for stm8-binutils

1 files changed, 147 insertions, 0 deletions

diff --git a/src/pic16/device.h b/src/pic16/device.h
new file mode 100644
index 0000000..cdfbba0
--- /dev/null
+++ b/src/pic16/device.h
@@ -0,0 +1,147 @@
+/*-------------------------------------------------------------------------
+
+  device.c - Accomodates subtle variations in PIC16 devices
+
+   Written By -  Scott Dattalo scott@dattalo.com
+
+   This program is free software; you can redistribute it and/or modify it
+   under the terms of the GNU General Public License as published by the
+   Free Software Foundation; either version 2, or (at your option) any
+   later version.
+   
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+   
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+-------------------------------------------------------------------------*/
+
+/*
+  PIC device abstraction
+
+  There are dozens of variations of PIC microcontrollers. This include
+  file attempts to abstract those differences so that SDCC can easily
+  deal with them.
+*/
+
+#ifndef  __DEVICE_H__
+#define  __DEVICE_H__
+
+#define CONFIGURATION_WORDS     20
+#define IDLOCATION_BYTES        20
+
+typedef struct {
+  unsigned int mask;
+  int emit;
+  unsigned int value;
+  unsigned int andmask;
+} configRegInfo_t;
+
+typedef struct {
+  int confAddrStart;      /* starting address */
+  int confAddrEnd;        /* ending address */
+  configRegInfo_t crInfo[ CONFIGURATION_WORDS ];
+} configWordsInfo_t;
+
+typedef struct {
+  unsigned char emit;
+  unsigned char value;
+} idRegInfo_t;
+
+typedef struct {
+  int idAddrStart;        /* starting ID address */
+  int idAddrEnd;          /* ending ID address */
+  idRegInfo_t irInfo[ IDLOCATION_BYTES ];
+} idBytesInfo_t;
+
+
+#define PROCESSOR_NAMES    4
+/* Processor unique attributes */
+typedef struct PIC16_device {
+  char *name[PROCESSOR_NAMES];  /* aliases for the processor name */
+  /* RAMsize *must* be the first item to copy for 'using' */
+  unsigned int RAMsize;         /* size of Data RAM - VR 031120 */
+  unsigned int acsSplitOfs;     /* access bank split offset */
+  configWordsInfo_t cwInfo;     /* configuration words info */
+  idBytesInfo_t idInfo;         /* ID Locations info */
+  int xinst;                    /* device supports XINST */
+  /* next *must* be the first field NOT being copied via 'using' */
+  struct PIC16_device *next;    /* linked list */
+} PIC16_device;
+
+extern PIC16_device *pic16;
+
+/* Given a pointer to a register, this macro returns the bank that it is in */
+#define REG_ADDR(r)        ((r)->isBitField ? (((r)->address)>>3) : (r)->address)
+
+#define OF_LR_SUPPORT           0x00000001
+#define OF_NO_OPTIMIZE_GOTO     0x00000002
+#define OF_OPTIMIZE_CMP         0x00000004
+#define OF_OPTIMIZE_DF          0x00000008
+
+typedef struct {
+  int no_banksel;
+  int opt_banksel;
+  int omit_configw;
+  int omit_ivt;
+  int leave_reset;
+  int stack_model;
+  int ivt_loc;
+  int nodefaultlibs;
+  int dumpcalltree;
+  char *crt_name;
+  int no_crt;
+  int ip_stack;
+  unsigned long opt_flags;
+  int gstack;
+  unsigned int debgen;
+  int xinst;
+  int no_warn_non_free;
+} pic16_options_t;
+
+extern pic16_options_t pic16_options;
+
+#define STACK_MODEL_SMALL       (pic16_options.stack_model == 0)
+#define STACK_MODEL_LARGE       (pic16_options.stack_model == 1)
+
+extern set *fix_idataSymSet;
+extern set *rel_idataSymSet;
+
+#if 0
+/* This is an experimental code for #pragma inline
+   and is temporarily disabled for 2.5.0 release */
+extern set *asmInlineMap;
+#endif  /* 0 */
+
+typedef struct {
+  unsigned long isize;
+  unsigned long adsize;
+  unsigned long udsize;
+  unsigned long idsize;
+  unsigned long intsize;
+} stats_t;
+
+extern stats_t statistics;
+
+typedef struct pic16_config_options_s {
+  char *config_str;
+  struct pic16_config_options_s *next;
+} pic16_config_options_t;
+
+extern pic16_config_options_t *pic16_config_options;
+
+/****************************************/
+const char *pic16_processor_base_name(void);
+void pic16_assignConfigWordValue(int address, unsigned int value);
+void pic16_assignIdByteValue(int address, char value);
+int pic16_isREGinBank(reg_info *reg, int bank);
+int pic16_REGallBanks(reg_info *reg);
+
+int checkAddReg(set **set, reg_info *reg);
+int checkAddSym(set **set, symbol *reg);
+int checkSym(set *set, symbol *reg);
+
+#endif  /* __DEVICE_H__ */