diff options
| author |   James Bowman <james.bowman@ftdichip.com> | 2015-09-28 23:49:36 +0000 |
|---|---|---|
| committer |   Mike Frysinger <vapier@gentoo.org> | 2015-09-29 23:36:56 -0400 |
| commit | 71c34ca7a0f54c8c8ad39b72ea1badf9f9a1ade7 (patch) | |
| tree | a65c1c798fd07be0509996cf3ea421cf784e1bc6 /sim/ft32 | |
| parent | Automatic date update in version.in (diff) | |
| download | binutils-gdb-71c34ca7a0f54c8c8ad39b72ea1badf9f9a1ade7.tar.gz binutils-gdb-71c34ca7a0f54c8c8ad39b72ea1badf9f9a1ade7.tar.bz2 binutils-gdb-71c34ca7a0f54c8c8ad39b72ea1badf9f9a1ade7.zip | |
sim: ft32: correctly simulate PM write port
The FT32 simulator was not correctly simulating the behavior of the
program memory (PM) write port. When it is locked, writes to the
data register do nothing.
Diffstat (limited to 'sim/ft32')
| -rw-r--r-- | sim/ft32/ChangeLog | 4 | ||||
| -rw-r--r-- | sim/ft32/interp.c | 8 |
2 files changed, 10 insertions, 2 deletions
diff --git a/sim/ft32/ChangeLog b/sim/ft32/ChangeLog index 29f661fca23..47218b4e652 100644 --- a/sim/ft32/ChangeLog +++ b/sim/ft32/ChangeLog @@ -1,3 +1,7 @@ +2015-09-29 James Bowman <james.bowman@ftdichip.com> + + * interp.c (cpu_mem_write): Do no write PM when locked. + 2015-09-22 James Bowman <james.bowman@ftdichip.com> * ft32/interp.c (cpu_mem_read): Call getchar when ea is 0x10000. diff --git a/sim/ft32/interp.c b/sim/ft32/interp.c index a20907c5c86..c769ff7a3be 100644 --- a/sim/ft32/interp.c +++ b/sim/ft32/interp.c @@ -205,8 +205,12 @@ static void cpu_mem_write (SIM_DESC sd, uint32_t dw, uint32_t ea, uint32_t d) cpu->state.pm_addr = d; break; case 0x1fc88: - /* Write to PM */ - ft32_write_item (sd, dw, cpu->state.pm_addr, d); + if (cpu->state.pm_unlock) + { + /* Write to PM. */ + ft32_write_item (sd, dw, cpu->state.pm_addr, d); + cpu->state.pm_addr += 4; + } break; case 0x1fffc: /* Normal exit. */ |