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Add INTC controller prototype, by Magnus Damm.

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git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3271 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
ths 2007-09-29 19:47:44 +00:00
parent 2f062c7227
commit 3464c58998
1 changed files with 51 additions and 0 deletions
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51
hw/sh7750.c
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@ -51,6 +51,14 @@ typedef struct SH7750State {
uint16_t periph_pdtrb; /* Imposed by the peripherals */
uint16_t periph_portdirb; /* Direction seen from the peripherals */
sh7750_io_device *devices[NB_DEVICES]; /* External peripherals */
uint16_t icr;
uint16_t ipra;
uint16_t iprb;
uint16_t iprc;
uint16_t iprd;
uint32_t intpri00;
uint32_t intmsk00;
/* Cache */
uint32_t ccr;
@ -207,6 +215,16 @@ static uint32_t sh7750_mem_readw(void *opaque, target_phys_addr_t addr)
return porta_lines(s);
case SH7750_PDTRB_A7:
return portb_lines(s);
case 0x1fd00000:
return s->icr;
case 0x1fd00004:
return s->ipra;
case 0x1fd00008:
return s->iprb;
case 0x1fd0000c:
return s->iprc;
case 0x1fd00010:
return s->iprd;
default:
error_access("word read", addr);
assert(0);
@ -242,6 +260,14 @@ static uint32_t sh7750_mem_readl(void *opaque, target_phys_addr_t addr)
return 0x00110000; /* Minimum caches */
case 0x1f000044: /* Processor version PRR */
return 0x00000100; /* SH7750R */
case 0x1e080000:
return s->intpri00;
case 0x1e080020:
return 0;
case 0x1e080040:
return s->intmsk00;
case 0x1e080060:
return 0;
default:
error_access("long read", addr);
assert(0);
@ -300,6 +326,21 @@ static void sh7750_mem_writew(void *opaque, target_phys_addr_t addr,
assert(0);
}
return;
case 0x1fd00000:
s->icr = mem_value;
return;
case 0x1fd00004:
s->ipra = mem_value;
return;
case 0x1fd00008:
s->iprb = mem_value;
return;
case 0x1fd0000c:
s->iprc = mem_value;
return;
case 0x1fd00010:
s->iprd = mem_value;
return;
default:
error_access("word write", addr);
assert(0);
@ -364,6 +405,16 @@ static void sh7750_mem_writel(void *opaque, target_phys_addr_t addr,
case SH7750_CCR_A7:
s->ccr = mem_value;
return;
case 0x1e080000:
s->intpri00 = mem_value;
return;
case 0x1e080020:
return;
case 0x1e080040:
s->intmsk00 = mem_value;
return;
case 0x1e080060:
return;
default:
error_access("long write", addr);
assert(0);