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| author | Andreas Schwab <schwab@linux-m68k.org> | 2014-01-06 23:22:00 +0100 |
|---|---|---|
| committer | Andreas Schwab <schwab@linux-m68k.org> | 2014-01-06 23:25:45 +0100 |
| commit | eb7e8c7165a8291c32fe655d184aa8ef25be8a2e (patch) | |
| tree | d800dec86b64fe23dd31288be3b5be0dfb042ebd | |
| parent | a0f86233d7284e71945cb4683da58c1bec9d23ea (diff) | |
| download | greenlet-eb7e8c7165a8291c32fe655d184aa8ef25be8a2e.tar.gz | |
Add support for m68k
| -rw-r--r-- | platform/switch_m68k_gcc.h | 36 | ||||
| -rw-r--r-- | slp_platformselect.h | 2 |
2 files changed, 38 insertions, 0 deletions
diff --git a/platform/switch_m68k_gcc.h b/platform/switch_m68k_gcc.h new file mode 100644 index 0000000..0f6df5a --- /dev/null +++ b/platform/switch_m68k_gcc.h @@ -0,0 +1,36 @@ +/* + * this is the internal transfer function. + * + * HISTORY + * 2014-01-06 Andreas Schwab <schwab@linux-m68k.org> + * File created. + */ + +#ifdef SLP_EVAL + +#define STACK_MAGIC 0 + +#define REGS_TO_SAVE "%d2", "%d3", "%d4", "%d5", "%d6", "%d7", \ + "%a2", "%a3", "%a4" + +static int +slp_switch(void) +{ + int *stackref, stsizediff; + void *fp, *a5; + __asm__ volatile ("" : : : REGS_TO_SAVE); + __asm__ volatile ("move.l %%fp, %0" : "=m"(fp)); + __asm__ volatile ("move.l %%a5, %0" : "=m"(a5)); + __asm__ ("move.l %%sp, %0" : "=r"(stackref)); + { + SLP_SAVE_STATE(stackref, stsizediff); + __asm__ volatile ("add.l %0, %%sp; add.l %0, %%fp" : : "r"(stsizediff)); + SLP_RESTORE_STATE(); + } + __asm__ volatile ("move.l %0, %%a5" : : "m"(a5)); + __asm__ volatile ("move.l %0, %%fp" : : "m"(fp)); + __asm__ volatile ("" : : : REGS_TO_SAVE); + return 0; +} + +#endif diff --git a/slp_platformselect.h b/slp_platformselect.h index 5d6e3a0..58fad3e 100644 --- a/slp_platformselect.h +++ b/slp_platformselect.h @@ -36,4 +36,6 @@ #include "platform/switch_mips_unix.h" /* Linux/MIPS */ #elif defined(__GNUC__) && defined(__aarch64__) #include "platform/switch_aarch64_gcc.h" /* Aarch64 ABI */ +#elif defined(__GNUC__) && defined(__mc68000__) +#include "platform/switch_m68k_gcc.h" /* gcc on m68k */ #endif |