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Add memory range upper limit support to ISAPnP

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This commit is contained in:
RichardG867
2021-03-20 18:29:18 -03:00
parent 1d55c4d1d1
commit 885309aa55
1 changed files with 8 additions and 2 deletions
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10
src/device/isapnp.c
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@@ -130,12 +130,18 @@ isapnp_device_config_changed(isapnp_t *dev)
for (i = 0; i < 4; i++) {
reg_base = 0x40 + (8 * i);
card->config.mem[i].base = (ld->regs[reg_base] << 16) | (ld->regs[reg_base + 1] << 8);
card->config.mem[i].size = (ld->regs[reg_base + 3] << 16) | (ld->regs[reg_base + 4] << 8);
if (ld->regs[reg_base + 2] & 0x01) /* upper limit */
card->config.mem[i].size = ((ld->regs[reg_base + 3] << 16) | (ld->regs[reg_base + 4] << 8)) - card->config.mem[i].base - 1;
else /* range length */
card->config.mem[i].size = (ld->regs[reg_base + 3] << 16) | (ld->regs[reg_base + 4] << 8);
}
for (i = 0; i < 4; i++) {
reg_base = (i == 0) ? 0x76 : (0x80 + (16 * i));
card->config.mem32[i].base = (ld->regs[reg_base] << 24) | (ld->regs[reg_base + 1] << 16) | (ld->regs[reg_base + 2] << 8) | ld->regs[reg_base + 3];
card->config.mem32[i].size = (ld->regs[reg_base + 5] << 24) | (ld->regs[reg_base + 6] << 16) | (ld->regs[reg_base + 7] << 8) | ld->regs[reg_base + 8];
if (ld->regs[reg_base + 4] & 0x01) /* upper limit */
card->config.mem32[i].size = ((ld->regs[reg_base + 5] << 24) | (ld->regs[reg_base + 6] << 16) | (ld->regs[reg_base + 7] << 8) | ld->regs[reg_base + 8]) - card->config.mem32[i].base - 1;
else
card->config.mem32[i].size = (ld->regs[reg_base + 5] << 24) | (ld->regs[reg_base + 6] << 16) | (ld->regs[reg_base + 7] << 8) | ld->regs[reg_base + 8];
}
for (i = 0; i < 8; i++) {
reg_base = 0x60 + (2 * i);