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1825 Commits

Author SHA1 Message Date
Danny Milosavljevic f3a266b960
ARM: Fix comment. 
Follow-up to ca5425bfc4cd0ca0fee5002220e4cd329643d8c5.

* lib/mes/div.c: Fix comment.
 2019-09-09 18:34:02 +02:00
Danny Milosavljevic cf0b648185
ARM: Provide __aeabi_* only for ARM. 
Follow-up to 25b3ac2ba85d9833227f75f841503a6697aab45e.

* lib/mes/div.c (__aeabi_idivmod, __aeabi_idiv, __aeabi_uidivmod,
__aeabi_uidiv): Add guard for ARM.
 2019-09-09 18:34:02 +02:00
Danny Milosavljevic b963db8342
ARM: Remove unused struct uidiv_t. 
Follow-up to 25b3ac2ba85d9833227f75f841503a6697aab45e.

* lib/mes/div.c (uidiv_t): Delete.
 2019-09-09 18:34:02 +02:00
Danny Milosavljevic 9a84e94a0a
ARM: Return both the quotient and the remainder. 
* lib/mes/div.c (__aeabi_idivmod): Use ldiv.  Return both quotient and
remainder.
(__aeabi_uidivmod): Use __mesabi_uldiv.  Return both quotient and remainder.
 2019-09-09 18:34:02 +02:00
Danny Milosavljevic 899b613dbc
ARM: Handle sign when dividing integers using gcc. 
* lib/mes/div.c (__aeabi_idivmod): Use ldiv.
(__aeabi_idiv): Use ldiv.
 2019-09-09 18:34:01 +02:00
Danny Milosavljevic 9ac6d37849
ARM: Delete _sys_call6 from arm-mes-gcc port. 
* lib/linux/arm-mes-gcc/syscall.c (_sys_call6): Delete procedure.
 2019-09-09 18:34:01 +02:00
Danny Milosavljevic 13fbd909d7
ARM: Specify R7 as changed. 
* lib/linux/arm-mes-gcc/mini.c (_exit): Specify R7 as changed.
* lib/linux/arm-mes-gcc/syscall.c (_sys_call, _sys_call1, _sys_call2,
_sys_call3, _sys_call4): Specify R7 as changed.
 2019-09-09 18:34:01 +02:00
Danny Milosavljevic e5f326040d
ARM: Fix system call handling in arm-mes-gcc. 
* lib/linux/arm-mes-gcc/syscall.c (_sys_call, _sys_call1, _sys_call2,
_sys_call3, _sys_call4, _sys_call5, _sys_call6): Modify.
 2019-09-09 18:34:01 +02:00
Danny Milosavljevic 25a0e13501
ARM: Fix environment setup. 
* lib/linux/arm-mes-gcc/crt1.c (_start): Fix environment setup.
 2019-09-09 18:34:01 +02:00
Danny Milosavljevic 149cc43baf
ARM: Clean up _start. 
lib/linux/arm-mes-gcc/crt1.c (_start): Clean up the function.
 2019-09-09 18:34:01 +02:00
Danny Milosavljevic a1217d71c1
ARM: Use GCC-emitted frame pointer. 
* lib/linux/arm-mes-gcc/crt1.c (_start): Use GCC-emitted frame pointer.
 2019-09-09 18:34:01 +02:00
Danny Milosavljevic 5199db9d8e
ARM: Fix arm-mes-gcc _start. 
* lib/linux/arm-mes-gcc/crt1.c: Fix arm-mes-gcc _start.
 2019-09-09 18:34:00 +02:00
Jan Nieuwenhuizen 37149aa84d
porting: arm scaffold WIP 2019-09-09 18:34:00 +02:00
Danny Milosavljevic b314c66b3b
ARM: Fix syscalls, part 2. 
* include/linux/arm/syscall.h: Fix syscalls.
 2019-09-09 18:34:00 +02:00
Danny Milosavljevic 01ca0678c1
ARM: Add macro "mov____$i32,%r7". 
* lib/arm-mes/arm.M1: Add macro "mov____$i32,%r7".
 2019-09-09 18:34:00 +02:00
Danny Milosavljevic 90c9fefeb4
ARM: Fix syscall numbers. 
* lib/arm-mes/arm.M1: Fix syscall numbers.
 2019-09-09 18:34:00 +02:00
Danny Milosavljevic 7788b9f263
ARM: Fix "bl" macro. 
* lib/arm-mes/arm.M1: Fix "bl" macro.
 2019-09-09 18:34:00 +02:00
Jan Nieuwenhuizen 89591a4c51
ARM: some build hacks REVERTME 2019-09-09 18:34:00 +02:00
Jan Nieuwenhuizen d977d39abc
ARM: Mes C Library: Support gcc __aeabi. 
* lib/mes/div.c (__aeabi_idivmod, __aeabi_idiv, __aeabi_uidivmod,
__aeabi_uidiv): New function.
 2019-09-09 18:33:59 +02:00
Jan Nieuwenhuizen 282abce86f
ARM: Mes C Library: Add compile stub for time. 
* lib/linux/time.c (time)[SYS_gettimeofday]: Implemnt using gettimeofday.
(time)[!SYS_time && !SYS_gettimeofday]: Compile stub.
 2019-09-09 18:33:59 +02:00
Jan Nieuwenhuizen bfe710d2a2
ARM: Mes C Library: Support gcc-sans-libc. 
* lib/linux/arm-mes-gcc/crt1.c: New file.
* lib/linux/arm-mes-gcc/mini.c: New file.
* lib/linux/arm-mes-gcc/syscall.c: New file.
* lib/arm-mes-gcc/setjmp.c: New file.
 2019-09-09 18:33:59 +02:00
Jan Nieuwenhuizen 92d60477c5
ARM: Mes C Library: Support abort. 
* lib/stdlib/abort.c (abort): Support Arm.
* lib/arm-mes/arm.M1 (wfi): New macro.
 2019-09-09 18:33:59 +02:00
Danny Milosavljevic 705be3f917
ARM: Fix instruction encoding for "add____$i8,%esp" in armv4:call-label. 
* module/mescc/armv4/as.scm (armv4:call-label): Fix instruction encoding
for "add____$i8,%esp".
 2019-09-09 18:33:59 +02:00
Danny Milosavljevic 07c907884b
ARM: Fix off-by-one error in "mov____%r0,0x32". 
* lib/arm-mes/arm.M1: Fix off-by-one error in "mov____%r0,0x32".
 2019-09-09 18:33:59 +02:00
Danny Milosavljevic f29cb12ec4
ARM: Make the ELF headers and footers very similar to x86 again. 
* lib/arm-mes/elf32-0header.hex2: Modify.
* lib/arm-mes/elf32-footer-single-main.hex2: Modify.
* lib/arm-mes/elf32-header.hex2: Modify.
 2019-09-09 18:33:58 +02:00
Danny Milosavljevic a725537f72
ARM: Define LONG_MIN etc. 
* include/stdint.h: Define LONG_MIN etc for ARM.
 2019-09-09 18:33:58 +02:00
Danny Milosavljevic eda0d8dca5
When emitting a function, also emit an aligner first. 
* module/mescc/M1.scm (info->M1): When emitting a function, also emit
an aligner first.
 2019-09-09 18:33:58 +02:00
Danny Milosavljevic 83e7c4cc9e
ARM: Delete r9-exposing macros. 
* lib/arm-mes/arm.M1: Delete r9-exposing macros.
 2019-09-09 18:33:58 +02:00
Danny Milosavljevic de9dd28743
ARM: Add macro "mov____%esp,%r0". 
* lib/arm-mes/arm.M1: Add macro "mov____%esp,%r0".
 2019-09-09 18:33:58 +02:00
Danny Milosavljevic f3a3df9e55
ARM: Assume that double and long double are 4 Byte for now (FIXME). 
* module/mescc/armv4/info.scm (armv4:type-alist): Assume that double and
long double are 4 Byte for now (FIXME).
 2019-09-09 18:33:58 +02:00
Danny Milosavljevic 9283e077b3
ARM: Fix "jmp____*%r1". 
* lib/arm-mes/arm.M1: Fix "jmp____*%r1".
 2019-09-09 18:33:58 +02:00
Danny Milosavljevic 8f1d2473bc
ARM: Add macro "uxtb__%r1,%r1". 
* lib/arm-mes/arm.M1: Add macro "uxtb__%r1,%r1".
 2019-09-09 18:33:57 +02:00
Danny Milosavljevic ba7338a466
ARM: Fix armv4:be?->r. 
* module/mescc/armv4/as.scm (armv4:be?->r): Use "movhi__%r?,$i8".
 2019-09-09 18:33:57 +02:00
Danny Milosavljevic badae1c4c4
ARM: Fix byte-mem-add. 
* lib/arm-mes/arm.M1: Add macro "ldrb___%r0,(%r1)".
* module/mescc/armv4/as.scm (armv4:r-byte-mem-add): Use it.
 2019-09-09 18:33:57 +02:00
Danny Milosavljevic eebcb57b36
ARM: Add macro "mov____0x32(%ebp),%r0". 
* lib/arm-mes/arm.M1: Add macro "mov____0x32(%ebp),%r0".
 2019-09-09 18:33:57 +02:00
Danny Milosavljevic 43e040dfd9
ARM: Use i386 struct stat. 
* include/sys/stat.h: Use i386 struct stat for ARM.
 2019-09-09 18:33:57 +02:00
Danny Milosavljevic 3bc75ab98b
ARM: Fix ldr*, str* references. 
* module/mescc/armv4/as.scm (armv4:byte-r0->r1-mem): Fix output.
(armv4:word-mem->r): Fix output.
(armv4:byte-r0-mem->r1-mem): Fix output.
(armv4:byte-r->local+n): Fix output.
(armv4:word-r->local+n): Fix output.
 2019-09-09 18:33:57 +02:00
Danny Milosavljevic 98e5fd7da6
ARM: Add macros like "ldrh___%r?,(%r?)", "strb___%r0,0x8(%ebp)", "push___0", 
"add____$i32,%r?", "strb___%r0,0x32(%ebp)".
 2019-09-09 18:33:57 +02:00
Danny Milosavljevic 41965ba2e1
ARM: Add "mov____0x8(%ebp),%esp" macro. 
* lib/arm-mes/arm.M1: Add "mov____0x8(%ebp),%esp" macro.
 2019-09-09 18:33:56 +02:00
Danny Milosavljevic ae53ac4542
ARM: Add "mov____0x8(%ebp),%ebp" macro. 
* lib/arm-mes/arm.M1: Add "mov____0x8(%ebp),%ebp" macro.
 2019-09-09 18:33:56 +02:00
Danny Milosavljevic c6366924e2
ARM: Fix setjmp. 
* lib/arm-mes/setjmp.c: Fix setjmp.
 2019-09-09 18:33:56 +02:00
Danny Milosavljevic 03c0e67a03
ARM: Add macros "mov____%r7,0x8(%ebp)", "mov____0x8(%ebp),%r7". 
* lib/arm-mes/arm.M1: Add macros "mov____%r7,0x8(%ebp)", "mov____0x8(%ebp),%r7".
 2019-09-09 18:33:56 +02:00
Danny Milosavljevic 50447ce307
ARM: Add macros like "mov??__%r1,$i8". 
* lib/arm-mes/arm.M1: Add macros like "mov??__%r1,$i8".
 2019-09-09 18:33:56 +02:00
Danny Milosavljevic c65c50b92a
ARM: Add macro "add____$i32,(%r0)". 
* lib/arm-mes/arm.M1: Add macro "add____$i32,(%r0)".
 2019-09-09 18:33:56 +02:00
Danny Milosavljevic 7e73c7adaf
ARM: Add macro "xchg___%r0,(%esp)". 
* lib/arm-mes/arm.M1: Add macro "xchg___%r0,(%esp)".
 2019-09-09 18:33:56 +02:00
Danny Milosavljevic f51d3a3356
ARM: Move r9 usage completely into "arm.M1". 
* lib/arm-mes/arm.M1: Add "ret" macro.
* module/mescc/armv4/as.scm (armv4:ret): Use it.
* lib/arm-mes/arm.M1: Add macros "lsl____%r0,%r0,$i8", "lsl____%r1,%r1,$i8".
* module/mescc/armv4/as.scm (armv4:shl-r): Use them.
 2019-09-09 18:33:55 +02:00
Danny Milosavljevic 794d242b9b
ARM: Division: Fix remainder pointer. 
* module/mescc/armv4/as.scm (armv4:r0/r1): Fix remainder pointer.
 2019-09-09 18:33:55 +02:00
Danny Milosavljevic 8a6092f2b4
ARM: Fix left shifts. 
* lib/arm-mes/arm.M1: Add macros "lsl____%r0,%r0,%r9", "lsl____%r1,%r1,%r9",
"mov____$i8,%r9".
* module/mescc/armv4/as.scm (armv4:shl-r): Use them.
 2019-09-09 18:33:55 +02:00
Danny Milosavljevic c72d349f53
ARM: Fix testing for zero. 
* module/mescc/armv4/as.scm (armv4:r-zero?): Modify.
(armv4:xor-zf): Modify.
 2019-09-09 18:33:55 +02:00
Danny Milosavljevic c4c94d68fe
ARM: Fix multiplication. 
* lib/arm-mes/arm.M1: Delete "mul____%r1" macro.
Add "mul____%r1,%r0" and "mul____%r0,%r1" macros.
* module/mescc/armv4/as.scm (armv4:r0*r1): Use them.
 2019-09-09 18:33:55 +02:00