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Intel GPIO sanitization, phase 1.

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This commit is contained in:
OBattler
2023-10-08 01:14:26 +02:00
parent fc8edd47fa
commit 7fe79f995d
1 changed files with 6 additions and 6 deletions
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12
src/sio/sio_pc87306.c
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@@ -35,11 +35,11 @@
#include <86box/fdc.h>
#include <86box/sio.h>
#include <86box/plat_unused.h>
#include <86box/machine.h>
typedef struct pc87306_t {
uint8_t tries;
uint8_t regs[29];
uint8_t gpio[2];
uint16_t gpioba;
int cur_reg;
fdc_t *fdc;
@@ -51,8 +51,11 @@ static void
pc87306_gpio_write(uint16_t port, uint8_t val, void *priv)
{
pc87306_t *dev = (pc87306_t *) priv;
uint8_t shift = ((8 << (port & 1)) - 8);
uint32_t shifted_val = (((uint32_t) val) << shift);
uint32_t ff_mask = ~(((uint32_t) 0xff) << shift);
dev->gpio[port & 1] = val;
(void) machine_handle_gpio(1, ff_mask | shifted_val);
}
uint8_t
@@ -60,7 +63,7 @@ pc87306_gpio_read(uint16_t port, void *priv)
{
const pc87306_t *dev = (pc87306_t *) priv;
return dev->gpio[port & 1];
return machine_handle_gpio(0, 0xffffffff) >> ((8 << (port & 1)) - 8);
}
static void
@@ -411,9 +414,6 @@ pc87306_reset(void *priv)
dev->regs[0x12] = 0x30;
dev->regs[0x19] = 0xEF;
dev->gpio[0] = 0xff;
dev->gpio[1] = 0xfb;
/*
0 = 360 rpm @ 500 kbps for 3.5"
1 = Default, 300 rpm @ 500, 300, 250, 1000 kbps for 3.5"