lbmk/config/grub/xhci/patches/0005-xhci/0008-Fix-compilation-on-x86...

91 lines
3.5 KiB
Diff
Raw Normal View History

make GRUB multi-tree and re-add xhci patches Re-add xHCI only on haswell and broadwell machines, where they are needed. Otherwise, keep the same GRUB code. The xHCI patches were removed because they caused issues on Sandybridge-based Dell Latitude laptops. See: https://codeberg.org/libreboot/lbmk/issues/216 The issue was not reported elsewhere, including on the Haswell/Broadwell hardware where they are needed, but the build system could only build one version of GRUB. The older machines do not need xHCI patches, because they either do not have xHCI patches, or work (in GRUB) because they're in EHCI mode when running the payload. So, the problem is that we need the xHCI patches for GRUB on Haswell/Broadwell hardware, but the patches break Sandybridge hardware, and we only had the one build of GRUB. To mitigate this problem, the build system now supports building multiple revisions of GRUB, with different patches, and each given coreboot target can say which GRUB tree to use by setting this in target.cfg: grubtree="xhci" In the above example, the "xhci" tree would be used. Some generic GRUB config has been moved to config/data/grub/ and config/grub/ now looks like config/coreboot/ - also, the grub.cfg file (named "payload" in each tree) is copied to the GRUB source tree as ".config", then added to GRUB's memdisk in the same way, as grub.cfg. Several other design changes had to be made because of this: * grub.cfg in memdisk no longer automatically jumps to one in CBFS, but now shows a menuentry for it if available * Certain commands in script/trees are disabled for GRUB, such as *config make commands. * gnulib is now defined in config/submodule/grub/, instead of config/git/grub - and this mitigates an existing bug where downloading gnulib first would make grub no longer possible to download in lbmk. The coreboot option CONFIG_FINALIZE_USB_ROUTE_XHCI has been re-enabled on: Dell OptiPlex 9020 MT, Dell OptiPlex 9020 SFF, Lenovo ThinkPad T440p and Lenovo ThinkPad W541 - now USB should work again in GRUB. The GRUB payload has been re-enabled on HP EliteBook 820 G2. This change will enable per-board GRUB optimisation in the future. For example, we hardcode what partitions and LVMs GRUB scans because * is slow on ICH7-based machines, due to GRUB's design. On other machines, * is reasonably fast, for automatically enumerating the list of devices for boot. Use of * (and other wildcards) could enable our GRUB payload to automatically boot more distros, with minimal fuss. This can be done at a later date, in subsequent revisions. Signed-off-by: Leah Rowe <leah@libreboot.org>
2024-06-01 22:01:30 +00:00
From 871d768f8c5c960cb0d9761a9028b16882e1a7d3 Mon Sep 17 00:00:00 2001
From: Patrick Rudolph <patrick.rudolph@9elements.com>
Date: Wed, 24 Feb 2021 08:25:41 +0100
Subject: [PATCH 8/8] Fix compilation on x86_64
Signed-off-by: Patrick Rudolph <patrick.rudolph@9elements.com>
---
grub-core/bus/usb/xhci.c | 24 ++++++++++++++++--------
1 file changed, 16 insertions(+), 8 deletions(-)
diff --git a/grub-core/bus/usb/xhci.c b/grub-core/bus/usb/xhci.c
index f4591ffb5..3495bb919 100644
--- a/grub-core/bus/usb/xhci.c
+++ b/grub-core/bus/usb/xhci.c
@@ -184,7 +184,7 @@ enum
* then we can get it from a trb pointer (provided by evt ring).
*/
#define XHCI_RING(_trb) \
- ((struct grub_xhci_ring*)((grub_uint32_t)(_trb) & ~(GRUB_XHCI_RING_SIZE-1)))
+ ((struct grub_xhci_ring*)((grub_addr_t)(_trb) & ~(GRUB_XHCI_RING_SIZE-1)))
/* slot context */
struct grub_xhci_slotctx {
@@ -495,6 +495,14 @@ grub_xhci_read8(volatile void *addr) {
return (*((volatile grub_uint32_t *)addr));
}
+static inline void *
+grub_xhci_read_etrb_ptr(volatile struct grub_xhci_trb *trb) {
+ grub_uint64_t tmp;
+ tmp = (grub_uint64_t)grub_xhci_read32(&trb->ptr_low);
+ tmp |= ((grub_uint64_t)grub_xhci_read32(&trb->ptr_high)) << 32;
+ return (void *)(grub_addr_t)tmp;
+}
+
static inline grub_uint32_t
grub_xhci_port_read (struct grub_xhci *x, grub_uint32_t port)
{
@@ -664,7 +672,7 @@ static void xhci_process_events(struct grub_xhci *x)
case ER_TRANSFER:
case ER_COMMAND_COMPLETE:
{
- struct grub_xhci_trb *rtrb = (void*)grub_xhci_read32(&etrb->ptr_low);
+ struct grub_xhci_trb *rtrb = grub_xhci_read_etrb_ptr(etrb);
struct grub_xhci_ring *ring = XHCI_RING(rtrb);
volatile struct grub_xhci_trb *evt = &ring->evt;
grub_uint32_t eidx = rtrb - ring->ring + 1;
@@ -697,9 +705,9 @@ static void xhci_process_events(struct grub_xhci *x)
}
grub_xhci_write32(&evts->nidx, nidx);
volatile struct grub_xhci_ir *ir = x->ir;
- grub_uint32_t erdp = (grub_uint32_t)(evts->ring + nidx);
- grub_xhci_write32(&ir->erdp_low, erdp);
- grub_xhci_write32(&ir->erdp_high, 0);
+ grub_uint64_t erdp = (grub_addr_t)(void *)(&evts->ring[nidx]);
+ grub_xhci_write32(&ir->erdp_low, erdp & 0xffffffff);
+ grub_xhci_write32(&ir->erdp_high, erdp >> 32);
}
}
@@ -800,7 +808,7 @@ static void xhci_trb_queue(volatile struct grub_xhci_ring *ring,
grub_uint32_t xferlen, grub_uint32_t flags)
{
grub_dprintf("xhci", "%s: ring %p data %llx len %d flags 0x%x remain 0x%x\n", __func__,
- ring, data_or_addr, xferlen & 0x1ffff, flags, xferlen >> 17);
+ ring, (unsigned long long)data_or_addr, xferlen & 0x1ffff, flags, xferlen >> 17);
if (xhci_ring_full(ring))
{
@@ -1907,7 +1915,7 @@ grub_xhci_setup_transfer (grub_usb_controller_t dev,
if (transfer->type == GRUB_USB_TRANSACTION_TYPE_CONTROL)
{
volatile struct grub_usb_packet_setup *setupdata;
- setupdata = (void *)transfer->transactions[0].data;
+ setupdata = (void *)(grub_addr_t)transfer->transactions[0].data;
grub_dprintf("xhci", "%s: CONTROLL TRANS req %d\n", __func__, setupdata->request);
grub_dprintf("xhci", "%s: CONTROLL TRANS length %d\n", __func__, setupdata->length);
@@ -1974,7 +1982,7 @@ grub_xhci_setup_transfer (grub_usb_controller_t dev,
/* Assume the ring has enough free space for all TRBs */
if (flags & TRB_TR_IDT && tr->size <= (int)sizeof(inline_data))
{
- grub_memcpy(&inline_data, (void *)tr->data, tr->size);
+ grub_memcpy(&inline_data, (void *)(grub_addr_t)tr->data, tr->size);
xhci_trb_queue(reqs, inline_data, tr->size, flags);
}
else
--
2.39.2